* Claudiu Zissulescu <claudiu.zissule...@synopsys.com> [2016-12-05 12:59:12
+0100]:
> Remove old gmonlib from libgcc and reimplemnt profiling using UCB
> counters.
>
> gcc/
> 2016-07-28 Claudiu Zissulescu <claz...@synopsys.com>
>
> * config/arc/arc.h (LINK_SPEC): Tidy up.
> (ENDFILE_SPEC): Likewise.
> (LIB_SPEC): Likewise.
> (STARTFILE_SPEC): Include gcrt0 when profiling.
> (FUNCTION_PROFILER): Use __mcount.
> * config/arc/arc.opt (mucb-mcount): Remove.
> * doc/invoke.texi (ARC): Remove mucb-mcount doc.
> * arc/arc-protos.h (arc_profile_call): Remove.
I think the path here is wrong, and in some of the following entries
as well.
> * arc/arc.c (write_profile_sections): Likewise.
> (arc_profile_call): Likewise.
> (unspec_prof_hash): Likewise.
> (unspec_prof_htab_eq): Likewise.
> (arc_legitimate_constant_p): Remove UNSPEC_PROF.
> (arc_reorg): Remove call to write_profile_sections.
> * arc/arc.md (call): Remove call to arc_profile_call.
> (call_value): Likewise.
> (sibcall): Likewise.
> (sibcall_value): Likewise.
> (define_constants): Remove UNSPEC_PROF.
>
> libgcc/
> 2016-07-28 Claudiu Zissulescu <claz...@synopsys.com>
>
> * config.host (arc*-*-linux-uclibc*): Remove libgmon, crtg, and
> crtgend.
> (arc*-*-elf*): Likewise.
> * config/arc/t-arc: Remove old gmon lib targets.
> * arc/crtg.S: Reomve.
Again, paths are wrong here and in the following entries.
> * arc/crtgend.S: Likewise.
> * arc/gmon/atomic.h: Likewise.
> * arc/gmon/auxreg.h: Likewise.
> * arc/gmon/dcache_linesz.S: Likewise.
> * arc/gmon/gmon.c: Likewise.
> * arc/gmon/machine-gmon.h: Likewise.
> * arc/gmon/mcount.c: Likewise.
> * arc/gmon/prof-freq-stub.S: Likewise.
> * arc/gmon/prof-freq.c: Likewise.
> * arc/gmon/profil.S: Likewise.
> * arc/gmon/sys/gmon.h: Likewise.
> * arc/gmon/sys/gmon_out.h: Likewise.
> * arc/t-arc-newlib: Likewise.
> * arc/t-arc700-uClibc: Renamed to t-arc-uClibc.
Otherwise, looks good.
Thanks,
Andrew
> ---
> gcc/config/arc/arc-protos.h | 1 -
> gcc/config/arc/arc.c | 152 -----------
> gcc/config/arc/arc.h | 28 +-
> gcc/config/arc/arc.md | 35 +--
> gcc/config/arc/arc.opt | 4 -
> gcc/doc/invoke.texi | 8 +-
> libgcc/config.host | 10 +-
> libgcc/config/arc/crtg.S | 51 ----
> libgcc/config/arc/crtgend.S | 33 ---
> libgcc/config/arc/gmon/atomic.h | 26 --
> libgcc/config/arc/gmon/auxreg.h | 35 ---
> libgcc/config/arc/gmon/dcache_linesz.S | 57 ----
> libgcc/config/arc/gmon/gmon.c | 450
> --------------------------------
> libgcc/config/arc/gmon/machine-gmon.h | 65 -----
> libgcc/config/arc/gmon/mcount.c | 206 ---------------
> libgcc/config/arc/gmon/prof-freq-stub.S | 40 ---
> libgcc/config/arc/gmon/prof-freq.c | 60 -----
> libgcc/config/arc/gmon/profil.S | 164 ------------
> libgcc/config/arc/gmon/sys/gmon.h | 217 ---------------
> libgcc/config/arc/gmon/sys/gmon_out.h | 55 ----
> libgcc/config/arc/t-arc | 37 ---
> libgcc/config/arc/t-arc-newlib | 22 --
> libgcc/config/arc/t-arc-uClibc | 38 +++
> libgcc/config/arc/t-arc700-uClibc | 40 ---
> 24 files changed, 60 insertions(+), 1774 deletions(-)
> delete mode 100644 libgcc/config/arc/crtg.S
> delete mode 100644 libgcc/config/arc/crtgend.S
> delete mode 100644 libgcc/config/arc/gmon/atomic.h
> delete mode 100644 libgcc/config/arc/gmon/auxreg.h
> delete mode 100644 libgcc/config/arc/gmon/dcache_linesz.S
> delete mode 100644 libgcc/config/arc/gmon/gmon.c
> delete mode 100644 libgcc/config/arc/gmon/machine-gmon.h
> delete mode 100644 libgcc/config/arc/gmon/mcount.c
> delete mode 100644 libgcc/config/arc/gmon/prof-freq-stub.S
> delete mode 100644 libgcc/config/arc/gmon/prof-freq.c
> delete mode 100644 libgcc/config/arc/gmon/profil.S
> delete mode 100644 libgcc/config/arc/gmon/sys/gmon.h
> delete mode 100644 libgcc/config/arc/gmon/sys/gmon_out.h
> delete mode 100644 libgcc/config/arc/t-arc-newlib
> create mode 100644 libgcc/config/arc/t-arc-uClibc
> delete mode 100644 libgcc/config/arc/t-arc700-uClibc
>
> diff --git a/gcc/config/arc/arc-protos.h b/gcc/config/arc/arc-protos.h
> index d0a4e80..014bb8f 100644
> --- a/gcc/config/arc/arc-protos.h
> +++ b/gcc/config/arc/arc-protos.h
> @@ -68,7 +68,6 @@ extern bool arc_raw_symbolic_reference_mentioned_p (rtx,
> bool);
> extern bool arc_legitimate_pic_operand_p (rtx);
> extern bool arc_is_longcall_p (rtx);
> extern bool arc_is_shortcall_p (rtx);
> -extern bool arc_profile_call (rtx callee);
> extern bool valid_brcc_with_delay_p (rtx *);
> extern bool small_data_pattern (rtx , machine_mode);
> extern rtx arc_rewrite_small_data (rtx);
> diff --git a/gcc/config/arc/arc.c b/gcc/config/arc/arc.c
> index 7c5f69b..780d20b 100644
> --- a/gcc/config/arc/arc.c
> +++ b/gcc/config/arc/arc.c
> @@ -3734,97 +3734,6 @@ arc_print_operand_address (FILE *file , rtx addr)
> }
> }
>
> -/* Called via walk_stores. DATA points to a hash table we can use to
> - establish a unique SYMBOL_REF for each counter, which corresponds to
> - a caller-callee pair.
> - X is a store which we want to examine for an UNSPEC_PROF, which
> - would be an address loaded into a register, or directly used in a MEM.
> - If we found an UNSPEC_PROF, if we encounter a new counter the first time,
> - write out a description and a data allocation for a 32 bit counter.
> - Also, fill in the appropriate symbol_ref into each UNSPEC_PROF instance.
> */
> -
> -static void
> -write_profile_sections (rtx dest ATTRIBUTE_UNUSED, rtx x, void *data)
> -{
> - rtx *srcp, src;
> - htab_t htab = (htab_t) data;
> - rtx *slot;
> -
> - if (GET_CODE (x) != SET)
> - return;
> - srcp = &SET_SRC (x);
> - if (MEM_P (*srcp))
> - srcp = &XEXP (*srcp, 0);
> - else if (MEM_P (SET_DEST (x)))
> - srcp = &XEXP (SET_DEST (x), 0);
> - src = *srcp;
> - if (GET_CODE (src) != CONST)
> - return;
> - src = XEXP (src, 0);
> - if (GET_CODE (src) != UNSPEC || XINT (src, 1) != UNSPEC_PROF)
> - return;
> -
> - gcc_assert (XVECLEN (src, 0) == 3);
> - if (!htab_elements (htab))
> - {
> - output_asm_insn (".section .__arc_profile_desc, \"a\"\n"
> - "\t.long %0 + 1\n",
> - &XVECEXP (src, 0, 0));
> - }
> - slot = (rtx *) htab_find_slot (htab, src, INSERT);
> - if (*slot == HTAB_EMPTY_ENTRY)
> - {
> - static int count_nr;
> - char buf[24];
> - rtx count;
> -
> - *slot = src;
> - sprintf (buf, "__prof_count%d", count_nr++);
> - count = gen_rtx_SYMBOL_REF (Pmode, xstrdup (buf));
> - XVECEXP (src, 0, 2) = count;
> - output_asm_insn (".section\t.__arc_profile_desc, \"a\"\n"
> - "\t.long\t%1\n"
> - "\t.section\t.__arc_profile_counters, \"aw\"\n"
> - "\t.type\t%o2, @object\n"
> - "\t.size\t%o2, 4\n"
> - "%o2:\t.zero 4",
> - &XVECEXP (src, 0, 0));
> - *srcp = count;
> - }
> - else
> - *srcp = XVECEXP (*slot, 0, 2);
> -}
> -
> -/* Hash function for UNSPEC_PROF htab. Use both the caller's name and
> - the callee's name (if known). */
> -
> -static hashval_t
> -unspec_prof_hash (const void *x)
> -{
> - const_rtx u = (const_rtx) x;
> - const_rtx s1 = XVECEXP (u, 0, 1);
> -
> - return (htab_hash_string (XSTR (XVECEXP (u, 0, 0), 0))
> - ^ (s1->code == SYMBOL_REF ? htab_hash_string (XSTR (s1, 0)) : 0));
> -}
> -
> -/* Equality function for UNSPEC_PROF htab. Two pieces of UNSPEC_PROF rtl
> - shall refer to the same counter if both caller name and callee rtl
> - are identical. */
> -
> -static int
> -unspec_prof_htab_eq (const void *x, const void *y)
> -{
> - const_rtx u0 = (const_rtx) x;
> - const_rtx u1 = (const_rtx) y;
> - const_rtx s01 = XVECEXP (u0, 0, 1);
> - const_rtx s11 = XVECEXP (u1, 0, 1);
> -
> - return (!strcmp (XSTR (XVECEXP (u0, 0, 0), 0),
> - XSTR (XVECEXP (u1, 0, 0), 0))
> - && rtx_equal_p (s01, s11));
> -}
> -
> /* Conditional execution support.
>
> This is based on the ARM port but for now is much simpler.
> @@ -5562,7 +5471,6 @@ arc_legitimate_constant_p (machine_mode mode, rtx x)
> case UNSPEC_TLS_GD:
> case UNSPEC_TLS_IE:
> case UNSPEC_TLS_OFF:
> - case UNSPEC_PROF:
> return true;
>
> default:
> @@ -6483,47 +6391,6 @@ arc_is_shortcall_p (rtx sym_ref)
>
> }
>
> -/* Emit profiling code for calling CALLEE. Return true if a special
> - call pattern needs to be generated. */
> -
> -bool
> -arc_profile_call (rtx callee)
> -{
> - rtx from = XEXP (DECL_RTL (current_function_decl), 0);
> -
> - if (TARGET_UCB_MCOUNT)
> - /* Profiling is done by instrumenting the callee. */
> - return false;
> -
> - if (CONSTANT_P (callee))
> - {
> - rtx count_ptr
> - = gen_rtx_CONST (Pmode,
> - gen_rtx_UNSPEC (Pmode,
> - gen_rtvec (3, from, callee,
> - CONST0_RTX (Pmode)),
> - UNSPEC_PROF));
> - rtx counter = gen_rtx_MEM (SImode, count_ptr);
> - /* ??? The increment would better be done atomically, but as there is
> - no proper hardware support, that would be too expensive. */
> - emit_move_insn (counter,
> - force_reg (SImode, plus_constant (SImode, counter, 1)));
> - return false;
> - }
> - else
> - {
> - rtx count_list_ptr
> - = gen_rtx_CONST (Pmode,
> - gen_rtx_UNSPEC (Pmode,
> - gen_rtvec (3, from, CONST0_RTX (Pmode),
> - CONST0_RTX (Pmode)),
> - UNSPEC_PROF));
> - emit_move_insn (gen_rtx_REG (Pmode, 8), count_list_ptr);
> - emit_move_insn (gen_rtx_REG (Pmode, 9), callee);
> - return true;
> - }
> -}
> -
> /* Worker function for TARGET_RETURN_IN_MEMORY. */
>
> static bool
> @@ -6745,25 +6612,6 @@ arc_reorg (void)
> cfun->machine->arc_reorg_started = 1;
> arc_reorg_in_progress = 1;
>
> - /* Emit special sections for profiling. */
> - if (crtl->profile)
> - {
> - section *save_text_section;
> - rtx_insn *insn;
> - int size = get_max_uid () >> 4;
> - htab_t htab = htab_create (size, unspec_prof_hash, unspec_prof_htab_eq,
> - NULL);
> -
> - save_text_section = in_section;
> - for (insn = get_insns (); insn; insn = NEXT_INSN (insn))
> - if (NONJUMP_INSN_P (insn))
> - walk_stores (PATTERN (insn), write_profile_sections, htab);
> - if (htab_elements (htab))
> - in_section = 0;
> - switch_to_section (save_text_section);
> - htab_delete (htab);
> - }
> -
> /* Link up loop ends with their loop start. */
> {
> for (insn = get_insns (); insn; insn = NEXT_INSN (insn))
> diff --git a/gcc/config/arc/arc.h b/gcc/config/arc/arc.h
> index 802331f..9d1ad7b 100644
> --- a/gcc/config/arc/arc.h
> +++ b/gcc/config/arc/arc.h
> @@ -121,12 +121,11 @@ extern const char *arc_cpu_to_as (int argc, const char
> **argv);
> -X %{mbig-endian:-EB} \
> %{EB} %{EL} \
> %{marclinux*} \
> - %{!marclinux*: %{pg|p|profile:-marclinux_prof;: -marclinux}}
> \
> + %{!marclinux*: -marclinux} \
> %{!z:-z max-page-size=0x2000 -z common-page-size=0x2000} \
> %{shared:-shared}"
> #else
> -#define LINK_SPEC "%{mbig-endian:-EB} %{EB} %{EL}\
> - %{pg|p:-marcelf_prof;mA7|mARC700|mcpu=arc700|mcpu=ARC700: -marcelf}"
> +#define LINK_SPEC "%{mbig-endian:-EB} %{EB} %{EL}"
> #endif
>
> #if DEFAULT_LIBC != LIBC_UCLIBC
> @@ -135,7 +134,7 @@ extern const char *arc_cpu_to_as (int argc, const char
> **argv);
> #define EXTRA_SPECS \
> { "arc_tls_extra_start_spec", ARC_TLS_EXTRA_START_SPEC }, \
>
> -#define STARTFILE_SPEC "%{!shared:crt0.o%s} crti%O%s %{pg|p:crtg.o%s} " \
> +#define STARTFILE_SPEC "%{pg|p:gcrt0.o%s}%{!pg:%{!p:crt0.o%s}} crti%O%s " \
> "%(arc_tls_extra_start_spec) crtbegin.o%s"
> #else
> #define STARTFILE_SPEC
> \
> @@ -143,7 +142,7 @@ extern const char *arc_cpu_to_as (int argc, const char
> **argv);
> #endif
>
> #if DEFAULT_LIBC != LIBC_UCLIBC
> -#define ENDFILE_SPEC "%{pg|p:crtgend.o%s} crtend.o%s crtn%O%s"
> +#define ENDFILE_SPEC "crtend.o%s crtn%O%s"
> #else
> #define ENDFILE_SPEC \
> LINUX_OR_ANDROID_LD (GNU_USER_TARGET_ENDFILE_SPEC, ANDROID_ENDFILE_SPEC)
> @@ -154,12 +153,11 @@ extern const char *arc_cpu_to_as (int argc, const char
> **argv);
> #define LIB_SPEC \
> "%{pthread:-lpthread} \
> %{shared:-lc} \
> - %{!shared:%{pg|p|profile:-lgmon -u profil --defsym __profil=profil} -lc}"
> + %{!shared:%{profile:-lc_p}%{!profile:-lc}}"
> #define TARGET_ASM_FILE_END file_end_indicate_exec_stack
> #else
> #undef LIB_SPEC
> -/* -lc_p not present for arc-elf32-* : ashwin */
> -#define LIB_SPEC "%{!shared:%{g*:-lg} %{pg|p:-lgmon} -lc}"
> +#define LIB_SPEC "%{!shared:%{g*:-lg} -lc}"
> #endif
>
> #ifndef DRIVER_ENDIAN_SELF_SPECS
> @@ -916,12 +914,14 @@ extern int arc_initial_elimination_offset(int from, int
> to);
> (OFFSET) = arc_initial_elimination_offset ((FROM), (TO))
>
> /* Output assembler code to FILE to increment profiler label # LABELNO
> - for profiling a function entry.
> - We actually emit the profiler code at the call site, so leave this one
> - empty. */
> -#define FUNCTION_PROFILER(FILE, LABELNO) \
> - if (TARGET_UCB_MCOUNT) \
> - fprintf (FILE, "\t%s\n", arc_output_libcall ("__mcount"))
> + for profiling a function entry. */
> +#define FUNCTION_PROFILER(FILE, LABELNO) \
> + do { \
> + if (flag_pic) \
> + fprintf (FILE, "\tbl\t__mcount@plt\n"); \
> + else \
> + fprintf (FILE, "\tbl\t__mcount\n"); \
> + } while (0);
>
> #define NO_PROFILE_COUNTERS 1
>
> diff --git a/gcc/config/arc/arc.md b/gcc/config/arc/arc.md
> index db0e846..8e26238 100644
> --- a/gcc/config/arc/arc.md
> +++ b/gcc/config/arc/arc.md
> @@ -9,7 +9,7 @@
> ;; Saurabh Verma (saurabh.ve...@codito.com)
> ;; Ramana Radhakrishnan(ramana.radhakrish...@codito.com)
> ;;
> -;; Profiling support and performance improvements by
> +;; Performance improvements by
> ;; Joern Rennecke (joern.renne...@embecosm.com)
> ;;
>
> @@ -165,9 +165,7 @@
> ])
>
> (define_constants
> - [(UNSPEC_PROF 18) ; profile callgraph counter
> -
> - (R0_REG 0)
> + [(R0_REG 0)
> (R1_REG 1)
> (R2_REG 2)
> (R3_REG 3)
> @@ -4108,13 +4106,6 @@
>
> gcc_assert (MEM_P (operands[0]));
> callee = XEXP (operands[0], 0);
> - if (crtl->profile && arc_profile_call (callee))
> - {
> - emit_call_insn (gen_call_prof (gen_rtx_SYMBOL_REF (Pmode,
> - \"_mcount_call\"),
> - operands[1]));
> - DONE;
> - }
> /* This is to decide if we should generate indirect calls by loading the
> 32 bit address of the callee into a register before performing the
> branch and link - this exposes cse opportunities.
> @@ -4177,14 +4168,6 @@
>
> gcc_assert (MEM_P (operands[1]));
> callee = XEXP (operands[1], 0);
> - if (crtl->profile && arc_profile_call (callee))
> - {
> - emit_call_insn (gen_call_value_prof (operands[0],
> - gen_rtx_SYMBOL_REF (Pmode,
> - \"_mcount_call\"),
> - operands[2]));
> - DONE;
> - }
> /* See the comment in define_expand \"call\". */
> if (GET_CODE (callee) != REG
> && (GET_CODE (callee) == PLUS || arc_is_longcall_p (callee)))
> @@ -4667,13 +4650,6 @@
>
> if (operands[2] == NULL_RTX)
> operands[2] = const0_rtx;
> - if (crtl->profile && arc_profile_call (callee))
> - {
> - emit_insn (gen_sibcall_prof
> - (gen_rtx_SYMBOL_REF (Pmode, \"_mcount_call\"),
> - operands[1], operands[2]));
> - DONE;
> - }
> if (GET_CODE (callee) != REG
> && (GET_CODE (callee) == PLUS || arc_is_longcall_p (callee)))
> XEXP (operands[0], 0) = force_reg (Pmode, callee);
> @@ -4693,13 +4669,6 @@
>
> if (operands[3] == NULL_RTX)
> operands[3] = const0_rtx;
> - if (crtl->profile && arc_profile_call (XEXP (operands[1], 0)))
> - {
> - emit_insn (gen_sibcall_value_prof
> - (operands[0], gen_rtx_SYMBOL_REF (Pmode, \"_mcount_call\"),
> - operands[2], operands[3]));
> - DONE;
> - }
> if (GET_CODE (callee) != REG && arc_is_longcall_p (callee))
> XEXP (operands[1], 0) = force_reg (Pmode, callee);
> }"
> diff --git a/gcc/config/arc/arc.opt b/gcc/config/arc/arc.opt
> index 31b305b..ec4f055 100644
> --- a/gcc/config/arc/arc.opt
> +++ b/gcc/config/arc/arc.opt
> @@ -409,10 +409,6 @@ mlra-priority-noncompact
> Target RejectNegative Var(arc_lra_prioritytag, ARC_LRA_PRIORITY_NONCOMPACT)
> Reduce priority for r0..r3 / r12..r15 with TARGET_REGISTER_PRIORITY.
>
> -mucb-mcount
> -Target Report Var(TARGET_UCB_MCOUNT)
> -instrument with mcount calls as in the ucb code.
> -
> ; backward-compatibility aliases, translated by DRIVER_SELF_SPECS
>
> mEA
> diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
> index 034ae98..30eb88f 100644
> --- a/gcc/doc/invoke.texi
> +++ b/gcc/doc/invoke.texi
> @@ -609,7 +609,7 @@ Objective-C and Objective-C++ Dialects}.
> -mcrc -mdsp-packa -mdvbf -mlock -mmac-d16 -mmac-24 -mrtsc -mswape @gol
> -mtelephony -mxy -misize -mannotate-align -marclinux -marclinux_prof @gol
> -mlong-calls -mmedium-calls -msdata @gol
> --mucb-mcount -mvolatile-cache -mtp-regno=@var{regno} @gol
> +-mvolatile-cache -mtp-regno=@var{regno} @gol
> -malign-call -mauto-modify-reg -mbbit-peephole -mno-brcc @gol
> -mcase-vector-pcrel -mcompact-casesi -mno-cond-exec -mearly-cbranchsi @gol
> -mexpand-adddi -mindexed-loads -mlra -mlra-priority-none @gol
> @@ -14623,12 +14623,6 @@ Do not generate sdata references. This is the
> default for tool chains
> built for @w{@code{arc-linux-uclibc}} and @w{@code{arceb-linux-uclibc}}
> targets.
>
> -@item -mucb-mcount
> -@opindex mucb-mcount
> -Instrument with mcount calls as used in UCB code. I.e. do the
> -counting in the callee, not the caller. By default ARC instrumentation
> -counts in the caller.
> -
> @item -mvolatile-cache
> @opindex mvolatile-cache
> Use ordinarily cached memory accesses for volatile references. This is the
> diff --git a/libgcc/config.host b/libgcc/config.host
> index b1a2be6..3152216 100644
> --- a/libgcc/config.host
> +++ b/libgcc/config.host
> @@ -368,13 +368,13 @@ alpha*-dec-*vms*)
> md_unwind_header=alpha/vms-unwind.h
> ;;
> arc*-*-elf*)
> - tmake_file="arc/t-arc-newlib arc/t-arc"
> - extra_parts="crti.o crtn.o crtend.o crtbegin.o crtendS.o crtbeginS.o
> libgmon.a crtg.o crtgend.o"
> - extra_parts="${extra_parts} crttls.o"
> + tmake_file="arc/t-arc"
> + extra_parts="crti.o crtn.o crtend.o crtbegin.o crtendS.o crtbeginS.o"
> + extra_parts="$extra_parts crttls.o"
> ;;
> arc*-*-linux-uclibc*)
> - tmake_file="${tmake_file} t-slibgcc-libgcc t-slibgcc-nolc-override
> arc/t-arc700-uClibc arc/t-arc"
> - extra_parts="$extra_parts crti.o crtn.o libgmon.a crtg.o crtgend.o"
> + tmake_file="${tmake_file} t-slibgcc-libgcc t-slibgcc-nolc-override
> arc/t-arc-uClibc arc/t-arc"
> + extra_parts="$extra_parts crti.o crtn.o"
> extra_parts="$extra_parts crttls.o"
> ;;
> arm-wrs-vxworks)
> diff --git a/libgcc/config/arc/crtg.S b/libgcc/config/arc/crtg.S
> deleted file mode 100644
> index ca3cfb6..0000000
> --- a/libgcc/config/arc/crtg.S
> +++ /dev/null
> @@ -1,51 +0,0 @@
> -/* Code to start and stop profiling for the Synopsys DesignWare ARC CPU.
> -
> - Copyright (C) 1994-2016 Free Software Foundation, Inc.
> - Contributor: Joern Rennecke <joern.renne...@embecosm.com>
> - on behalf of Synopsys Inc.
> -
> -This file is part of GCC.
> -
> -GCC is free software; you can redistribute it and/or modify it under
> -the terms of the GNU General Public License as published by the Free
> -Software Foundation; either version 3, or (at your option) any later
> -version.
> -
> -GCC is distributed in the hope that it will be useful, but WITHOUT ANY
> -WARRANTY; without even the implied warranty of MERCHANTABILITY or
> -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
> -for more details.
> -
> -Under Section 7 of GPL version 3, you are granted additional
> -permissions described in the GCC Runtime Library Exception, version
> -3.1, as published by the Free Software Foundation.
> -
> -You should have received a copy of the GNU General Public License and
> -a copy of the GCC Runtime Library Exception along with this program;
> -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
> -<http://www.gnu.org/licenses/>. */
> -
> - .section .init
> - .global _init
> - .global _fini
> - .global __monstartup
> - mov_s r0,_init
> - mov_s r1,_fini
> - jl __monstartup
> -
> - .section .__arc_profile_desc, "a"
> - .global __arc_profile_desc_secstart
> - .balign 4
> -__arc_profile_desc_secstart:
> - .section .__arc_profile_forward, "a"
> - .global __arc_profile_forward_secstart
> - .balign 4
> -__arc_profile_forward_secstart:
> - .section .__arc_profile_counters, "aw"
> - .global __arc_profile_counters_secstart
> - .balign 4
> -__arc_profile_counters_secstart:
> -
> - .section .fini
> - .global _mcleanup
> - jl _mcleanup
> diff --git a/libgcc/config/arc/crtgend.S b/libgcc/config/arc/crtgend.S
> deleted file mode 100644
> index fad630f..0000000
> --- a/libgcc/config/arc/crtgend.S
> +++ /dev/null
> @@ -1,33 +0,0 @@
> -/* Code to start and stop profiling for the Synopsys DesignWare ARC CPU.
> -
> - Copyright (C) 1994-2016 Free Software Foundation, Inc.
> - Contributor: Joern Rennecke <joern.renne...@embecosm.com>
> - on behalf of Synopsys Inc.
> -
> -This file is part of GCC.
> -
> -GCC is free software; you can redistribute it and/or modify it under
> -the terms of the GNU General Public License as published by the Free
> -Software Foundation; either version 3, or (at your option) any later
> -version.
> -
> -GCC is distributed in the hope that it will be useful, but WITHOUT ANY
> -WARRANTY; without even the implied warranty of MERCHANTABILITY or
> -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
> -for more details.
> -
> -Under Section 7 of GPL version 3, you are granted additional
> -permissions described in the GCC Runtime Library Exception, version
> -3.1, as published by the Free Software Foundation.
> -
> -You should have received a copy of the GNU General Public License and
> -a copy of the GCC Runtime Library Exception along with this program;
> -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
> -<http://www.gnu.org/licenses/>. */
> -
> - .section .__arc_profile_desc, "a"
> - .global __arc_profile_desc_secend
> -__arc_profile_desc_secend:
> - .section .__arc_profile_forward, "a"
> - .global __arc_profile_forward_secend
> -__arc_profile_forward_secend:
> diff --git a/libgcc/config/arc/gmon/atomic.h b/libgcc/config/arc/gmon/atomic.h
> deleted file mode 100644
> index 049aa52..0000000
> --- a/libgcc/config/arc/gmon/atomic.h
> +++ /dev/null
> @@ -1,26 +0,0 @@
> -/* Copyright (C) 2007-2016 Free Software Foundation, Inc.
> - Contributor: Joern Rennecke <joern.renne...@embecosm.com>
> - on behalf of Synopsys Inc.
> -
> -This file is part of GCC.
> -
> -GCC is free software; you can redistribute it and/or modify it under
> -the terms of the GNU General Public License as published by the Free
> -Software Foundation; either version 3, or (at your option) any later
> -version.
> -
> -GCC is distributed in the hope that it will be useful, but WITHOUT ANY
> -WARRANTY; without even the implied warranty of MERCHANTABILITY or
> -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
> -for more details.
> -
> -Under Section 7 of GPL version 3, you are granted additional
> -permissions described in the GCC Runtime Library Exception, version
> -3.1, as published by the Free Software Foundation.
> -
> -You should have received a copy of the GNU General Public License and
> -a copy of the GCC Runtime Library Exception along with this program;
> -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
> -<http://www.gnu.org/licenses/>. */
> -
> -/* File deliberately left blank. */
> diff --git a/libgcc/config/arc/gmon/auxreg.h b/libgcc/config/arc/gmon/auxreg.h
> deleted file mode 100644
> index 5210ea0..0000000
> --- a/libgcc/config/arc/gmon/auxreg.h
> +++ /dev/null
> @@ -1,35 +0,0 @@
> -/* Copyright (C) 2007-2016 Free Software Foundation, Inc.
> - Contributor: Joern Rennecke <joern.renne...@embecosm.com>
> - on behalf of Synopsys Inc.
> -
> -This file is part of GCC.
> -
> -GCC is free software; you can redistribute it and/or modify it under
> -the terms of the GNU General Public License as published by the Free
> -Software Foundation; either version 3, or (at your option) any later
> -version.
> -
> -GCC is distributed in the hope that it will be useful, but WITHOUT ANY
> -WARRANTY; without even the implied warranty of MERCHANTABILITY or
> -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
> -for more details.
> -
> -Under Section 7 of GPL version 3, you are granted additional
> -permissions described in the GCC Runtime Library Exception, version
> -3.1, as published by the Free Software Foundation.
> -
> -You should have received a copy of the GNU General Public License and
> -a copy of the GCC Runtime Library Exception along with this program;
> -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
> -<http://www.gnu.org/licenses/>. */
> -
> -#define LP_START 0x02
> -#define LP_END 0x03
> -#define IDENTITY 0x04
> -#define STATUS32 0x0a
> -#define COUNT0 0x21 /* Timer 0 count */
> -#define CONTROL0 0x22 /* Timer 0 control */
> -#define LIMIT0 0x23 /* Timer 0 limit */
> -#define INT_VECTOR_BASE 0x25
> -#define D_CACHE_BUILD 0x72
> -#define DC_FLDL 0x4c
> diff --git a/libgcc/config/arc/gmon/dcache_linesz.S
> b/libgcc/config/arc/gmon/dcache_linesz.S
> deleted file mode 100644
> index 29572ae..0000000
> --- a/libgcc/config/arc/gmon/dcache_linesz.S
> +++ /dev/null
> @@ -1,57 +0,0 @@
> -/* This file contains code to do profiling.
> -
> - Copyright (C) 2007-2016 Free Software Foundation, Inc.
> - Contributor: Joern Rennecke <joern.renne...@embecosm.com>
> - on behalf of Synopsys Inc.
> -
> -This file is part of GCC.
> -
> -GCC is free software; you can redistribute it and/or modify it under
> -the terms of the GNU General Public License as published by the Free
> -Software Foundation; either version 3, or (at your option) any later
> -version.
> -
> -GCC is distributed in the hope that it will be useful, but WITHOUT ANY
> -WARRANTY; without even the implied warranty of MERCHANTABILITY or
> -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
> -for more details.
> -
> -Under Section 7 of GPL version 3, you are granted additional
> -permissions described in the GCC Runtime Library Exception, version
> -3.1, as published by the Free Software Foundation.
> -
> -You should have received a copy of the GNU General Public License and
> -a copy of the GCC Runtime Library Exception along with this program;
> -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
> -<http://www.gnu.org/licenses/>. */
> -
> -#include "../asm.h"
> -#include "auxreg.h"
> -/* This file contains code to do profiling. */
> - .weak __profile_timer_cycles
> - .global __profile_timer_cycles
> - .set __profile_timer_cycles, 200
> - .text
> - ; For Arctangent-A5, if no data cache is present, a read of the
> - ; cache build register returns the ID register. For ARC600 and
> - ; later, the version field will be zero.
> - .global __dcache_linesz
> - .balign 4
> -__dcache_linesz:
> -#if !defined (__EM__) && !defined (__HS__)
> - lr r12,[D_CACHE_BUILD]
> - extb_s r0,r12
> - breq_s r0,0,.Lsz_nocache
> - brge r0,0x20,.Lsz_havecache
> - lr r0,[IDENTITY]
> - breq r12,r0,.Lsz_nocache
> -.Lsz_havecache:
> - lsr_s r12,r12,16
> - mov_s r0,16
> - bmsk_s r12,r12,3
> - asl_s r0,r0,r12
> - j_s [blink]
> -.Lsz_nocache:
> -#endif /* !__EM__ && !__HS__ */
> - mov_s r0,1
> - j_s [blink]
> diff --git a/libgcc/config/arc/gmon/gmon.c b/libgcc/config/arc/gmon/gmon.c
> deleted file mode 100644
> index 82c09b0..0000000
> --- a/libgcc/config/arc/gmon/gmon.c
> +++ /dev/null
> @@ -1,450 +0,0 @@
> -/*-
> - * Copyright (c) 1983, 1992, 1993
> - * The Regents of the University of California. All rights reserved.
> - * Copyright (C) 2007-2016 Free Software Foundation, Inc.
> - *
> - * Redistribution and use in source and binary forms, with or without
> - * modification, are permitted provided that the following conditions
> - * are met:
> - * 1. Redistributions of source code must retain the above copyright
> - * notice, this list of conditions and the following disclaimer.
> - * 2. Redistributions in binary form must reproduce the above copyright
> - * notice, this list of conditions and the following disclaimer in the
> - * documentation and/or other materials provided with the distribution.
> - * 4. Neither the name of the University nor the names of its contributors
> - * may be used to endorse or promote products derived from this software
> - * without specific prior written permission.
> - *
> - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> - * SUCH DAMAGE.
> - */
> -#if 0
> -#include <sys/param.h>
> -#include <sys/time.h>
> -#endif
> -#include <sys/gmon.h>
> -#include <sys/gmon_out.h>
> -
> -#include <stddef.h>
> -#include <errno.h>
> -#include <stdio.h>
> -#include <fcntl.h>
> -#include <unistd.h>
> -
> -#include <stdio.h>
> -#include <stdlib.h>
> -#include <string.h>
> -#include <unistd.h>
> -#if 0
> -#include <libc-internal.h>
> -#include <not-cancel.h>
> -
> -#ifdef USE_IN_LIBIO
> -# include <wchar.h>
> -#endif
> -#endif
> -#define internal_function
> -#define weak_alias(fun,aliasid) extern __typeof(fun) aliasid __attribute__
> ((weak, alias (#fun)));
> -#define __libc_enable_secure 0
> -
> -/* Head of basic-block list or NULL. */
> -struct __bb *__bb_head attribute_hidden;
> -
> -struct gmonparam _gmonparam attribute_hidden = { GMON_PROF_OFF };
> -
> -/*
> - * See profil(2) where this is described:
> - */
> -static int s_scale;
> -#define SCALE_1_TO_1 0x10000L
> -
> -#define ERR(s) write (STDERR_FILENO, s, sizeof (s) - 1)
> -
> -void moncontrol (int mode);
> -void __moncontrol (int mode);
> -static void write_hist (int fd) internal_function;
> -static void write_call_graph (int fd) internal_function;
> -static void write_bb_counts (int fd) internal_function;
> -
> -/*
> - * Control profiling
> - * profiling is what mcount checks to see if
> - * all the data structures are ready.
> - */
> -void
> -__moncontrol (int mode)
> -{
> - struct gmonparam *p = &_gmonparam;
> -
> - /* Don't change the state if we ran into an error. */
> - if (p->state == GMON_PROF_ERROR)
> - return;
> -
> - if (mode)
> - {
> - /* start */
> - __profil((void *) p->kcount, p->kcountsize, p->lowpc, s_scale);
> - p->state = GMON_PROF_ON;
> - }
> - else
> - {
> - /* stop */
> - __profil(NULL, 0, 0, 0);
> - p->state = GMON_PROF_OFF;
> - }
> -}
> -weak_alias (__moncontrol, moncontrol)
> -
> -
> -void
> -__monstartup (u_long lowpc, u_long highpc)
> -{
> - register int o;
> - char *cp;
> - struct gmonparam *p = &_gmonparam;
> - int linesz;
> -
> - /*
> - * round lowpc and highpc to multiples of the density we're using
> - * so the rest of the scaling (here and in gprof) stays in ints.
> - */
> - p->lowpc = ROUNDDOWN(lowpc, HISTFRACTION * sizeof(HISTCOUNTER));
> - if (sizeof *p->froms % sizeof(HISTCOUNTER) != 0)
> - {
> - p->highpc = ROUNDUP(highpc, HISTFRACTION * sizeof(HISTCOUNTER));
> - p->textsize = p->highpc - p->lowpc;
> - p->kcountsize = ROUNDUP((p->textsize + HISTFRACTION - 1) /
> HISTFRACTION,
> - sizeof (*p->froms));
> - }
> - else
> - {
> - /* Avoid odd scales by rounding up highpc to get kcountsize rounded.
> */
> - p->textsize = ROUNDUP (highpc - p->lowpc,
> - HISTFRACTION * sizeof (*p->froms));
> - p->highpc = p->lowpc + p->textsize;
> - p->kcountsize = p->textsize / HISTFRACTION;
> - }
> - p->hashfraction = HASHFRACTION;
> - p->log_hashfraction = -1;
> - /* The following test must be kept in sync with the corresponding
> - test in mcount.c. */
> - if ((HASHFRACTION & (HASHFRACTION - 1)) == 0) {
> - /* if HASHFRACTION is a power of two, mcount can use shifting
> - instead of integer division. Precompute shift amount. */
> - p->log_hashfraction = ffs(p->hashfraction * sizeof(*p->froms)) - 1;
> - }
> - p->tolimit = p->textsize * ARCDENSITY / 100;
> - if (p->tolimit < MINARCS)
> - p->tolimit = MINARCS;
> - else if (p->tolimit > MAXARCS)
> - p->tolimit = MAXARCS;
> - p->tossize = p->tolimit * sizeof(struct tostruct);
> -
> - /* p->kcount must not share cache lines with the adjacent data, because
> - we use uncached accesses while profiling. */
> - linesz = __dcache_linesz ();
> - cp = calloc (ROUNDUP (p->kcountsize, linesz) + p->tossize
> - + (linesz - 1), 1);
> - if (! cp)
> - {
> - ERR("monstartup: out of memory\n");
> - p->tos = NULL;
> - p->state = GMON_PROF_ERROR;
> - /* In case we loose the error state due to a race,
> - prevent invalid writes also by clearing tolimit. */
> - p->tolimit = 0;
> - return;
> - }
> - p->tos = (struct tostruct *)cp;
> - cp += p->tossize;
> - cp = (char *) ROUNDUP ((ptrdiff_t) cp, linesz);
> - p->kcount = (HISTCOUNTER *)cp;
> - cp += ROUNDUP (p->kcountsize, linesz);
> -
> - p->tos[0].link = 0;
> -
> - o = p->highpc - p->lowpc;
> - if (p->kcountsize < (u_long) o)
> - {
> -#ifndef hp300
> - s_scale = ((float)p->kcountsize / o ) * SCALE_1_TO_1;
> -#else
> - /* avoid floating point operations */
> - int quot = o / p->kcountsize;
> -
> - if (quot >= 0x10000)
> - s_scale = 1;
> - else if (quot >= 0x100)
> - s_scale = 0x10000 / quot;
> - else if (o >= 0x800000)
> - s_scale = 0x1000000 / (o / (p->kcountsize >> 8));
> - else
> - s_scale = 0x1000000 / ((o << 8) / p->kcountsize);
> -#endif
> - } else
> - s_scale = SCALE_1_TO_1;
> -
> - __moncontrol(1);
> -}
> -weak_alias (__monstartup, monstartup)
> -
> -
> -static void
> -internal_function
> -write_hist (int fd)
> -{
> - u_char tag = GMON_TAG_TIME_HIST;
> - struct arc_gmon_hist_hdr thdr __attribute__ ((aligned (__alignof__ (char
> *))));
> - int r;
> -
> - if (_gmonparam.kcountsize > 0)
> - {
> - *(char **) thdr.low_pc = (char *) _gmonparam.lowpc;
> - *(char **) thdr.high_pc = (char *) _gmonparam.highpc;
> - *(int32_t *) thdr.hist_size = (_gmonparam.kcountsize
> - / sizeof (HISTCOUNTER));
> - *(int32_t *) thdr.prof_rate = __profile_frequency ();
> - strncpy (thdr.dimen, "seconds", sizeof (thdr.dimen));
> - thdr.dimen_abbrev = 's';
> -
> - r = write (fd, &tag, sizeof tag);
> - if (r != sizeof tag)
> - return;
> - r = write (fd, &thdr, sizeof thdr);
> - if (r != sizeof thdr)
> - return;
> - r = write (fd,_gmonparam.kcount, _gmonparam.kcountsize);
> - if ((unsigned) r != _gmonparam.kcountsize)
> - return;
> - }
> -}
> -
> -
> -static void
> -internal_function
> -write_call_graph (int fd)
> -{
> -#define NARCS_PER_WRITE 64
> -#define BYTES_PER_ARC (1 + sizeof (struct gmon_cg_arc_record))
> -#define BYTES_PER_WRITE (BYTES_PER_ARC * NARCS_PER_WRITE)
> - ARCINDEX to_index;
> - u_long frompc, selfpc, count;
> - char buffer[BYTES_PER_WRITE], *p;
> - u_long *prof_desc = __arc_profile_desc_secstart;
> - u_long *prof_count = __arc_profile_counters_secstart;
> - u_long *prof_desc_end = __arc_profile_desc_secend;
> - u_long *prof_forward = __arc_profile_forward_secstart;
> -
> - for (p = buffer; p < buffer + BYTES_PER_WRITE; p += BYTES_PER_ARC)
> - *p = GMON_TAG_CG_ARC;
> - p = buffer;
> - frompc = *prof_desc++ & -2;
> - while (prof_desc < prof_desc_end)
> - {
> - selfpc = *prof_desc++;
> - if (selfpc & 1)
> - {
> - frompc = selfpc & -2;
> - selfpc = *prof_desc++;
> - }
> - count = *prof_count++;
> - if (selfpc)
> - {
> - struct arc
> - {
> - char *frompc;
> - char *selfpc;
> - int32_t count;
> - }
> - arc;
> -
> - if (!count)
> - continue;
> - arc.frompc = (char *) frompc;
> - arc.selfpc = (char *) selfpc;
> - arc.count = count;
> - memcpy (p + 1, &arc, sizeof arc);
> - p += 1 + sizeof arc;
> -
> - if (p == buffer + BYTES_PER_WRITE)
> - {
> - write (fd, buffer, BYTES_PER_WRITE);
> - p = buffer;
> - }
> - }
> - else
> - {
> - for (to_index = count;
> - to_index != 0;
> - to_index = _gmonparam.tos[to_index].link)
> - {
> - struct arc
> - {
> - char *frompc;
> - char *selfpc;
> - int32_t count;
> - }
> - arc;
> -
> - arc.frompc = (char *) frompc;
> - arc.selfpc = (char *) _gmonparam.tos[to_index].selfpc;
> - arc.count = _gmonparam.tos[to_index].count;
> - memcpy (p + 1, &arc, sizeof arc);
> - p += 1 + sizeof arc;
> -
> - if (p == buffer + BYTES_PER_WRITE)
> - {
> - write (fd, buffer, BYTES_PER_WRITE);
> - p = buffer;
> - }
> - }
> - }
> - }
> - while (prof_forward < __arc_profile_forward_secend)
> - {
> - /* ??? The 'call count' is actually supposed to be a fixed point
> - factor, with 16 bits each before and after the point.
> - It would be much nicer if we figured out the actual number
> - of calls to the caller, and multiplied that with the fixed point
> - factor to arrive at the estimated calls for the callee. */
> - memcpy (p + 1, prof_forward, 3 * sizeof *prof_forward);
> - prof_forward += 3;
> - p += 1 + 3 * sizeof *prof_forward;
> - if (p == buffer + BYTES_PER_WRITE)
> - {
> - write (fd, buffer, BYTES_PER_WRITE);
> - p = buffer;
> - }
> - }
> - if (p != buffer)
> - write (fd, buffer, p - buffer);
> -}
> -
> -
> -static void
> -internal_function
> -write_bb_counts (int fd)
> -{
> - struct __bb *grp;
> - u_char tag = GMON_TAG_BB_COUNT;
> - size_t ncounts;
> - size_t i;
> -
> - struct { unsigned long address; long count; } bbbody[8];
> - size_t nfilled;
> -
> - /* Write each group of basic-block info (all basic-blocks in a
> - compilation unit form a single group). */
> -
> - for (grp = __bb_head; grp; grp = grp->next)
> - {
> - ncounts = grp->ncounts;
> - write (fd, &tag, 1);
> - write (fd, &ncounts, sizeof ncounts);
> - for (nfilled = i = 0; i < ncounts; ++i)
> - {
> - if (nfilled == sizeof (bbbody) / sizeof (bbbody[0]))
> - {
> - write (fd, bbbody, sizeof bbbody);
> - nfilled = 0;
> - }
> -
> - bbbody[nfilled].address = grp->addresses[i];
> - bbbody[nfilled++].count = grp->counts[i];
> - }
> - if (nfilled > 0)
> - write (fd, bbbody, nfilled * sizeof bbbody[0]);
> - }
> -}
> -
> -
> -static void
> -write_gmon (void)
> -{
> - struct gmon_hdr ghdr __attribute__ ((aligned (__alignof__ (int))));
> - int fd = -1;
> - char *env;
> -
> -#ifndef O_NOFOLLOW
> -# define O_NOFOLLOW 0
> -#endif
> -
> - env = getenv ("GMON_OUT_PREFIX");
> - if (env != NULL && !__libc_enable_secure)
> - {
> - size_t len = strlen (env);
> - char buf[len + 20];
> - snprintf (buf, sizeof (buf), "%s.%u", env, getpid ());
> - fd = open (buf, O_CREAT|O_TRUNC|O_WRONLY|O_NOFOLLOW, 0666);
> - }
> -
> - if (fd == -1)
> - {
> - fd = open ("gmon.out", O_CREAT|O_TRUNC|O_WRONLY|O_NOFOLLOW,
> - 0666);
> - if (fd < 0)
> - {
> - perror ("_mcleanup: gmon.out");
> - return;
> - }
> - }
> -
> - /* write gmon.out header: */
> - memset (&ghdr, '\0', sizeof (struct gmon_hdr));
> - memcpy (&ghdr.cookie[0], GMON_MAGIC, sizeof (ghdr.cookie));
> - *(int32_t *) ghdr.version = GMON_VERSION;
> - write (fd, &ghdr, sizeof (struct gmon_hdr));
> -
> - /* write PC histogram: */
> - write_hist (fd);
> -
> - /* write call-graph: */
> - write_call_graph (fd);
> -
> - /* write basic-block execution counts: */
> - write_bb_counts (fd);
> -
> - close (fd);
> -}
> -
> -
> -void
> -__write_profiling (void)
> -{
> - int save = _gmonparam.state;
> - _gmonparam.state = GMON_PROF_OFF;
> - if (save == GMON_PROF_ON)
> - write_gmon ();
> - _gmonparam.state = save;
> -}
> -#ifndef SHARED
> -/* This symbol isn't used anywhere in the DSO and it is not exported.
> - This would normally mean it should be removed to get the same API
> - in static libraries. But since profiling is special in static libs
> - anyway we keep it. But not when building the DSO since some
> - quality assurance tests will otherwise trigger. */
> -weak_alias (__write_profiling, write_profiling)
> -#endif
> -
> -
> -void
> -_mcleanup (void)
> -{
> - __moncontrol (0);
> -
> - if (_gmonparam.state != GMON_PROF_ERROR)
> - write_gmon ();
> -
> - /* free the memory. */
> - if (_gmonparam.tos != NULL)
> - free (_gmonparam.tos);
> -}
> diff --git a/libgcc/config/arc/gmon/machine-gmon.h
> b/libgcc/config/arc/gmon/machine-gmon.h
> deleted file mode 100644
> index e7549ae..0000000
> --- a/libgcc/config/arc/gmon/machine-gmon.h
> +++ /dev/null
> @@ -1,65 +0,0 @@
> -/* Copyright (C) 2007-2016 Free Software Foundation, Inc.
> - Contributor: Joern Rennecke <joern.renne...@embecosm.com>
> - on behalf of Synopsys Inc.
> -
> -This file is part of GCC.
> -
> -GCC is free software; you can redistribute it and/or modify it under
> -the terms of the GNU General Public License as published by the Free
> -Software Foundation; either version 3, or (at your option) any later
> -version.
> -
> -GCC is distributed in the hope that it will be useful, but WITHOUT ANY
> -WARRANTY; without even the implied warranty of MERCHANTABILITY or
> -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
> -for more details.
> -
> -Under Section 7 of GPL version 3, you are granted additional
> -permissions described in the GCC Runtime Library Exception, version
> -3.1, as published by the Free Software Foundation.
> -
> -You should have received a copy of the GNU General Public License and
> -a copy of the GCC Runtime Library Exception along with this program;
> -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
> -<http://www.gnu.org/licenses/>. */
> -
> -#ifndef MACHINE_GMON_H
> -#define MACHINE_GMON_H
> -
> -/* We can't fake out own <sys/types.h> header because the newlib / uclibc
> - headers in GCC_FOR_TARGET take precedence. */
> -
> -#define __BEGIN_DECLS
> -#define __END_DECLS
> -
> -#define __THROW
> -
> -extern int __dcache_linesz (void);
> -
> -#define _MCOUNT_DECL(countp, selfpc) \
> - static inline void _mcount_internal (void *countp, u_long selfpc)
> -
> -extern void _mcount (void);
> -extern void _mcount_call (void);
> -
> -/* N.B.: the calling point might be a sibcall, thus blink does not
> necessarily
> - hold the caller's address. r8 doesn't hold the caller's address, either,
> - but rather a pointer to the counter data structure associated with the
> - caller.
> - This function must be compiled with optimization turned on in order to
> - enable a sibcall for the final call to selfpc; this is important when
> trying
> - to profile a program with deep tail-recursion that would get a stack
> - overflow otherwise. */
> -#define MCOUNT \
> -void \
> -_mcount_call (void) \
> -{ \
> - register void *countp __asm("r8"); \
> - register u_long selfpc __asm("r9"); \
> - _mcount_internal (countp, selfpc); \
> - ((void (*)(void)) selfpc) (); \
> -}
> -
> -extern int __profil (u_short *,size_t, size_t, u_int);
> -
> -#endif /* MACHINE_GMON_H */
> diff --git a/libgcc/config/arc/gmon/mcount.c b/libgcc/config/arc/gmon/mcount.c
> deleted file mode 100644
> index 8afca36..0000000
> --- a/libgcc/config/arc/gmon/mcount.c
> +++ /dev/null
> @@ -1,206 +0,0 @@
> -/*-
> - * Copyright (c) 1983, 1992, 1993
> - * The Regents of the University of California. All rights reserved.
> - *
> - * Copyright (C) 2007-2016 Free Software Foundation, Inc.
> - *
> - * Redistribution and use in source and binary forms, with or without
> - * modification, are permitted provided that the following conditions
> - * are met:
> - * 1. Redistributions of source code must retain the above copyright
> - * notice, this list of conditions and the following disclaimer.
> - * 2. Redistributions in binary form must reproduce the above copyright
> - * notice, this list of conditions and the following disclaimer in the
> - * documentation and/or other materials provided with the distribution.
> - * 4. Neither the name of the University nor the names of its contributors
> - * may be used to endorse or promote products derived from this software
> - * without specific prior written permission.
> - *
> - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> - * SUCH DAMAGE.
> - */
> -
> -#if !defined(lint) && !defined(KERNEL) && defined(LIBC_SCCS)
> -static char sccsid[] = "@(#)mcount.c 8.1 (Berkeley) 6/4/93";
> -#endif
> -
> -#if 0
> -#include <unistd.h>
> -#include <sys/param.h>
> -#endif
> -#include <sys/gmon.h>
> -
> -/* This file provides the machine-dependent definitions of the _MCOUNT_DECL
> - and MCOUNT macros. */
> -#include <machine-gmon.h>
> -
> -#include <atomic.h>
> -
> -/*
> - * mcount is called on entry to each function compiled with the profiling
> - * switch set. _mcount(), which is declared in a machine-dependent way
> - * with _MCOUNT_DECL, does the actual work and is either inlined into a
> - * C routine or called by an assembly stub. In any case, this magic is
> - * taken care of by the MCOUNT definition in <machine/profile.h>.
> - *
> - * _mcount updates data structures that represent traversals of the
> - * program's call graph edges. frompc and selfpc are the return
> - * address and function address that represents the given call graph edge.
> - *
> - * Note: the original BSD code used the same variable (frompcindex) for
> - * both frompcindex and frompc. Any reasonable, modern compiler will
> - * perform this optimization.
> - */
> -_MCOUNT_DECL(count_ptr, selfpc) /* _mcount; may be static, inline, etc
> */
> -{
> - register ARCINDEX *frompcindex;
> - register struct tostruct *top, *prevtop;
> - register struct gmonparam *p;
> - register ARCINDEX toindex;
> -
> - /* Check for nested function trampoline. */
> - if (selfpc & 2)
> - selfpc = *(u_long *) (selfpc + 10);
> -
> - p = &_gmonparam;
> - /*
> - * check that we are profiling
> - * and that we aren't recursively invoked.
> - */
> -#if 0
> - if (catomic_compare_and_exchange_bool_acq (&p->state, GMON_PROF_BUSY,
> - GMON_PROF_ON))
> - return;
> -#elif defined (__ARC700__)
> -/* ??? This could temporarily lose the ERROR / OFF condition in a race,
> - but doing an actual compare_and_exchange would be too costly. It would
> - be better if we had a semaphore independent of the 'sticky' state, but
> - then we could run into ABI compatibility problems with the size of struct
> - gmonparam. */
> - {
> - u_long old_state;
> -
> - __asm ("ex %0,%1": "=r" (old_state), "+m" (p->state)
> - : "0" (GMON_PROF_BUSY));
> - if (old_state != GMON_PROF_ON)
> - {
> - switch (old_state)
> - {
> - case GMON_PROF_OFF:
> - __asm ("ex %0,%1": "+r" (old_state), "+m" (p->state));
> - if (old_state == GMON_PROF_BUSY
> - /* Switching off while we say we are busy while profiling
> - was actually already switched off is all right. */
> - || old_state == GMON_PROF_OFF)
> - break;
> - /* It is not clear if we should allow switching on
> - profiling at this point, and how to handle further races.
> - For now, record an error in this case. */
> - /* Fall through. */
> - default: /* We expect here only GMON_PROF_ERROR. */
> - p->state = GMON_PROF_ERROR;
> - break;
> - case GMON_PROF_BUSY: break;
> - }
> - return;
> - }
> - }
> -#else /* ??? No semaphore primitives available. */
> - if (p->state != GMON_PROF_ON)
> - return;
> - p->state = GMON_PROF_BUSY;
> -#endif
> -
> - frompcindex = count_ptr;
> - toindex = *frompcindex;
> - if (toindex == 0) {
> - /*
> - * first time traversing this arc
> - */
> - toindex = ++p->tos[0].link;
> - if (toindex >= (ARCINDEX) p->tolimit)
> - /* halt further profiling */
> - goto overflow;
> -
> - *frompcindex = toindex;
> - top = &p->tos[toindex];
> - top->selfpc = selfpc;
> - top->count = 1;
> - top->link = 0;
> - goto done;
> - }
> - top = &p->tos[toindex];
> - if (top->selfpc == selfpc) {
> - /*
> - * arc at front of chain; usual case.
> - */
> - top->count++;
> - goto done;
> - }
> - /*
> - * have to go looking down chain for it.
> - * top points to what we are looking at,
> - * prevtop points to previous top.
> - * we know it is not at the head of the chain.
> - */
> - for (; /* goto done */; ) {
> - if (top->link == 0) {
> - /*
> - * top is end of the chain and none of the chain
> - * had top->selfpc == selfpc.
> - * so we allocate a new tostruct
> - * and link it to the head of the chain.
> - */
> - toindex = ++p->tos[0].link;
> - if (toindex >= (ARCINDEX) p->tolimit)
> - goto overflow;
> -
> - top = &p->tos[toindex];
> - top->selfpc = selfpc;
> - top->count = 1;
> - top->link = *frompcindex;
> - *frompcindex = toindex;
> - goto done;
> - }
> - /*
> - * otherwise, check the next arc on the chain.
> - */
> - prevtop = top;
> - top = &p->tos[top->link];
> - if (top->selfpc == selfpc) {
> - /*
> - * there it is.
> - * increment its count
> - * move it to the head of the chain.
> - */
> - top->count++;
> - toindex = prevtop->link;
> - prevtop->link = top->link;
> - top->link = *frompcindex;
> - *frompcindex = toindex;
> - goto done;
> - }
> -
> - }
> -done:
> - p->state = GMON_PROF_ON;
> - return;
> -overflow:
> - p->state = GMON_PROF_ERROR;
> - return;
> -}
> -
> -/*
> - * Actual definition of mcount function. Defined in <machine/profile.h>,
> - * which is included by <sys/gmon.h>.
> - */
> -MCOUNT
> diff --git a/libgcc/config/arc/gmon/prof-freq-stub.S
> b/libgcc/config/arc/gmon/prof-freq-stub.S
> deleted file mode 100644
> index 9ffb30b..0000000
> --- a/libgcc/config/arc/gmon/prof-freq-stub.S
> +++ /dev/null
> @@ -1,40 +0,0 @@
> -/* This file contains code to do profiling.
> -
> - Copyright (C) 2007-2016 Free Software Foundation, Inc.
> - Contributor: Joern Rennecke <joern.renne...@embecosm.com>
> - on behalf of Synopsys Inc.
> -
> -This file is part of GCC.
> -
> -GCC is free software; you can redistribute it and/or modify it under
> -the terms of the GNU General Public License as published by the Free
> -Software Foundation; either version 3, or (at your option) any later
> -version.
> -
> -GCC is distributed in the hope that it will be useful, but WITHOUT ANY
> -WARRANTY; without even the implied warranty of MERCHANTABILITY or
> -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
> -for more details.
> -
> -Under Section 7 of GPL version 3, you are granted additional
> -permissions described in the GCC Runtime Library Exception, version
> -3.1, as published by the Free Software Foundation.
> -
> -You should have received a copy of the GNU General Public License and
> -a copy of the GCC Runtime Library Exception along with this program;
> -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
> -<http://www.gnu.org/licenses/>. */
> -
> -#include "../asm.h"
> -/* This file contains code to do profiling. */
> - .weak __profile_frequency_value
> - .global __profile_frequency_value
> - .set __profile_frequency_value, 1000
> - .text
> - .balign 4
> - .global __profile_frequency
> - FUNC(__profile_frequency)
> -__profile_frequency:
> - mov_s r0,__profile_frequency_value
> - j_s [blink]
> - ENDFUNC(__profile_frequency)
> diff --git a/libgcc/config/arc/gmon/prof-freq.c
> b/libgcc/config/arc/gmon/prof-freq.c
> deleted file mode 100644
> index 4437a37..0000000
> --- a/libgcc/config/arc/gmon/prof-freq.c
> +++ /dev/null
> @@ -1,60 +0,0 @@
> -/* Return frequency of ticks reported by profil. Generic version. */
> -/*-
> - * Copyright (c) 1983, 1992, 1993
> - * The Regents of the University of California. All rights reserved.
> - *
> - * Copyright (C) 2007-2016 Free Software Foundation, Inc.
> - *
> - * Redistribution and use in source and binary forms, with or without
> - * modification, are permitted provided that the following conditions
> - * are met:
> - * 1. Redistributions of source code must retain the above copyright
> - * notice, this list of conditions and the following disclaimer.
> - * 2. Redistributions in binary form must reproduce the above copyright
> - * notice, this list of conditions and the following disclaimer in the
> - * documentation and/or other materials provided with the distribution.
> - * 4. Neither the name of the University nor the names of its contributors
> - * may be used to endorse or promote products derived from this software
> - * without specific prior written permission.
> - *
> - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> - * SUCH DAMAGE.
> - */
> -
> -
> -#include <sys/types.h>
> -#include <sys/time.h>
> -#if 0
> -#include <libc-internal.h>
> -#else
> -#include "sys/gmon.h"
> -#endif
> -
> -int
> -__profile_frequency (void)
> -{
> - /*
> - * Discover the tick frequency of the machine if something goes wrong,
> - * we return 0, an impossible hertz.
> - */
> - struct itimerval tim;
> -
> - tim.it_interval.tv_sec = 0;
> - tim.it_interval.tv_usec = 1;
> - tim.it_value.tv_sec = 0;
> - tim.it_value.tv_usec = 0;
> - setitimer(ITIMER_REAL, &tim, 0);
> - setitimer(ITIMER_REAL, 0, &tim);
> - if (tim.it_interval.tv_usec < 2)
> - return 0;
> - return (1000000 / tim.it_interval.tv_usec);
> -}
> diff --git a/libgcc/config/arc/gmon/profil.S b/libgcc/config/arc/gmon/profil.S
> deleted file mode 100644
> index 807e9fe..0000000
> --- a/libgcc/config/arc/gmon/profil.S
> +++ /dev/null
> @@ -1,164 +0,0 @@
> -/* This file contains code to do profiling.
> -
> - Copyright (C) 2007-2016 Free Software Foundation, Inc.
> - Contributor: Joern Rennecke <joern.renne...@embecosm.com>
> - on behalf of Synopsys Inc.
> -
> -
> -This file is part of GCC.
> -
> -GCC is free software; you can redistribute it and/or modify it under
> -the terms of the GNU General Public License as published by the Free
> -Software Foundation; either version 3, or (at your option) any later
> -version.
> -
> -GCC is distributed in the hope that it will be useful, but WITHOUT ANY
> -WARRANTY; without even the implied warranty of MERCHANTABILITY or
> -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
> -for more details.
> -
> -Under Section 7 of GPL version 3, you are granted additional
> -permissions described in the GCC Runtime Library Exception, version
> -3.1, as published by the Free Software Foundation.
> -
> -You should have received a copy of the GNU General Public License and
> -a copy of the GCC Runtime Library Exception along with this program;
> -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
> -<http://www.gnu.org/licenses/>. */
> -
> -#include "../asm.h"
> -#include "auxreg.h"
> -/* This file contains code to do profiling. */
> - .weak __profile_timer_cycles
> - .global __profile_timer_cycles
> - .set __profile_timer_cycles, 200
> -
> - .section .bss
> - .global __profil_offset
> - .align 4
> - .type __profil_offset, @object
> - .size __profil_offset, 4
> -__profil_offset:
> - .zero 4
> -
> - .text
> - .global __dcache_linesz
> - .global __profil
> - FUNC(__profil)
> -#if !defined (__EM__) && !defined (__HS__)
> -.Lstop_profiling:
> - sr r0,[CONTROL0]
> - j_s [blink]
> - .balign 4
> -__profil:
> -.Lprofil:
> - breq_s r0,0,.Lstop_profiling
> - ; r0: buf r1: bufsiz r2: offset r3: scale
> - bxor.f r3,r3,15; scale must be 0x8000, i.e. 1/2; generate 0.
> - push_s blink
> - lsr_s r2,r2,1
> - mov_s r8,r0
> - flag.ne 1 ; halt if wrong scale
> - sub_s r0,r0,r2
> - st r0,[__profil_offset]
> - bl __dcache_linesz
> - pop_s blink
> - bbit1.d r0,0,nocache
> - mov_s r0,r8
> -#ifdef __ARC700__
> - add_s r1,r1,31
> - lsr.f lp_count,r1,5
> - lpne 2f
> - sr r0,[DC_FLDL]
> - add_s r0,r0,32
> -#else /* !__ARC700__ */
> -# FIX ME: set up loop according to cache line size
> - lr r12,[D_CACHE_BUILD]
> - sub_s r0,r0,16
> - sub_s r1,r1,1
> - lsr_s r12,r12,16
> - asr_s r1,r1,4
> - bmsk_s r12,r12,3
> - asr_s r1,r1,r12
> - add.f lp_count,r1,1
> - mov_s r1,16
> - asl_s r1,r1,r12
> - lpne 2f
> - add r0,r0,r1
> - sr r0,[DC_FLDL]
> -#endif /* __ARC700__ */
> -2: b_s .Lcounters_cleared
> -nocache:
> -.Lcounters_cleared:
> - lr r1,[INT_VECTOR_BASE] ; disable timer0 interrupts
> - sr r3,[CONTROL0]
> - sr r3,[COUNT0]
> -0: ld_s r0,[pcl,1f-0b+((0b-.Lprofil) & 2)] ; 1f@GOTOFF
> -0: ld_s r12,[pcl,1f+4-0b+((0b-.Lprofil) & 2)] ; 1f@GOTOFF + 4
> - st_s r0,[r1,24]; timer0 uses vector3
> - st_s r12,[r1,24+4]; timer0 uses vector3
> - ;sr 10000,[LIMIT0]
> - sr __profile_timer_cycles,[LIMIT0]
> - mov_s r12,3 ; enable timer interrupts; count only when not halted.
> - sr r12,[CONTROL0]
> - lr r12,[STATUS32]
> - bset_s r12,r12,1 ; allow level 1 interrupts
> - flag r12
> - mov_s r0,0
> - j_s [blink]
> - .balign 4
> -1: j __profil_irq
> -#else
> -__profil:
> - .balign 4
> - mov_s r0,-1
> - j_s [blink]
> -#endif /* !__EM__ && !__HS__ */
> - ENDFUNC(__profil)
> -
> - FUNC(__profil_irq)
> - .balign 4 ; make final jump unaligned to avoid delay penalty
> - .balign 32,0,12 ; make sure the code spans no more that two cache lines
> - nop_s
> -__profil_irq:
> -#if !defined (__EM__) && !defined (__HS__)
> - push_s r0
> - ld r0,[__profil_offset]
> - push_s r1
> - lsr r1,ilink1,2
> - push_s r2
> - ldw.as.di r2,[r0,r1]
> - add1 r0,r0,r1
> - ld_s r1,[sp,4]
> - add_s r2,r2,1
> - bbit1 r2,16,nostore
> - stw.di r2,[r0]
> -nostore:ld.ab r2,[sp,8]
> - pop_s r0
> - j.f [ilink1]
> -#else
> - rtie
> -#endif /* !__EM__ && !__HS__ */
> - ENDFUNC(__profil_irq)
> -
> -; could save one cycle if the counters were allocated at link time and
> -; the contents of __profil_offset were pre-computed at link time, like this:
> -#if 0
> -; __profil_offset needs to be PROVIDEd as __profile_base-text/4
> - .global __profil_offset
> - .balign 4
> -__profil_irq:
> - push_s r0
> - lsr r0,ilink1,2
> - add1 r0,__profil_offset,r0
> - push_s r1
> - ldw.di r1,[r0]
> -
> -
> - add_s r1,r1,1
> - bbit1 r1,16,nostore
> - stw.di r1,[r0]
> -nostore:pop_s r1
> - pop_s r0
> - j [ilink1]
> -#endif /* 0 */
> diff --git a/libgcc/config/arc/gmon/sys/gmon.h
> b/libgcc/config/arc/gmon/sys/gmon.h
> deleted file mode 100644
> index f17165a..0000000
> --- a/libgcc/config/arc/gmon/sys/gmon.h
> +++ /dev/null
> @@ -1,217 +0,0 @@
> -/*-
> - * Copyright (c) 1982, 1986, 1992, 1993
> - * The Regents of the University of California. All rights reserved.
> - * Copyright (C) 2007-2016 Free Software Foundation, Inc.
> - *
> - * Redistribution and use in source and binary forms, with or without
> - * modification, are permitted provided that the following conditions
> - * are met:
> - * 1. Redistributions of source code must retain the above copyright
> - * notice, this list of conditions and the following disclaimer.
> - * 2. Redistributions in binary form must reproduce the above copyright
> - * notice, this list of conditions and the following disclaimer in the
> - * documentation and/or other materials provided with the distribution.
> - * 4. Neither the name of the University nor the names of its contributors
> - * may be used to endorse or promote products derived from this software
> - * without specific prior written permission.
> - *
> - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> - * SUCH DAMAGE.
> - *
> - * @(#)gmon.h 8.2 (Berkeley) 1/4/94
> - */
> -
> -#ifndef _SYS_GMON_H
> -#define _SYS_GMON_H 1
> -
> -#if 0
> -#include <features.h>
> -#include <sys/types.h>
> -#else
> -#include <sys/types.h>
> -#include "machine-gmon.h"
> -#define attribute_hidden __attribute__ ((visibility("hidden")))
> -#endif
> -
> -#include <stdint.h>
> -
> -/*
> - * See gmon_out.h for gmon.out format.
> - */
> -
> -/* structure emitted by "gcc -a". This must match struct bb in
> - gcc/libgcc2.c. It is OK for gcc to declare a longer structure as
> - long as the members below are present. */
> -struct __bb
> -{
> - long zero_word;
> - const char *filename;
> - long *counts;
> - long ncounts;
> - struct __bb *next;
> - const unsigned long *addresses;
> -};
> -
> -extern struct __bb *__bb_head;
> -
> -/*
> - * histogram counters are unsigned shorts (according to the kernel).
> - */
> -#define HISTCOUNTER unsigned short
> -
> -/*
> - * fraction of text space to allocate for histogram counters here, 1/2
> - */
> -#define HISTFRACTION 2
> -
> -/*
> - * Fraction of text space to allocate for from hash buckets.
> - * The value of HASHFRACTION is based on the minimum number of bytes
> - * of separation between two subroutine call points in the object code.
> - * Given MIN_SUBR_SEPARATION bytes of separation the value of
> - * HASHFRACTION is calculated as:
> - *
> - * HASHFRACTION = MIN_SUBR_SEPARATION / (2 * sizeof(short) - 1);
> - *
> - * For example, on the VAX, the shortest two call sequence is:
> - *
> - * calls $0,(r0)
> - * calls $0,(r0)
> - *
> - * which is separated by only three bytes, thus HASHFRACTION is
> - * calculated as:
> - *
> - * HASHFRACTION = 3 / (2 * 2 - 1) = 1
> - *
> - * Note that the division above rounds down, thus if MIN_SUBR_FRACTION
> - * is less than three, this algorithm will not work!
> - *
> - * In practice, however, call instructions are rarely at a minimal
> - * distance. Hence, we will define HASHFRACTION to be 2 across all
> - * architectures. This saves a reasonable amount of space for
> - * profiling data structures without (in practice) sacrificing
> - * any granularity.
> - */
> -#define HASHFRACTION 2
> -
> -/*
> - * Percent of text space to allocate for tostructs.
> - * This is a heuristic; we will fail with a warning when profiling programs
> - * with a very large number of very small functions, but that's
> - * normally OK.
> - * 2 is probably still a good value for normal programs.
> - * Profiling a test case with 64000 small functions will work if
> - * you raise this value to 3 and link statically (which bloats the
> - * text size, thus raising the number of arcs expected by the heuristic).
> - */
> -#define ARCDENSITY 3
> -
> -/*
> - * Always allocate at least this many tostructs. This
> - * hides the inadequacy of the ARCDENSITY heuristic, at least
> - * for small programs.
> - */
> -#define MINARCS 50
> -
> -/*
> - * The type used to represent indices into gmonparam.tos[].
> - */
> -#define ARCINDEX u_long
> -
> -/*
> - * Maximum number of arcs we want to allow.
> - * Used to be max representable value of ARCINDEX minus 2, but now
> - * that ARCINDEX is a long, that's too large; we don't really want
> - * to allow a 48 gigabyte table.
> - * The old value of 1<<16 wasn't high enough in practice for large C++
> - * programs; will 1<<20 be adequate for long? FIXME
> - */
> -#define MAXARCS (1 << 20)
> -
> -struct tostruct {
> - u_long selfpc;
> - long count;
> - ARCINDEX link;
> -};
> -
> -/*
> - * a raw arc, with pointers to the calling site and
> - * the called site and a count.
> - */
> -struct rawarc {
> - u_long raw_frompc;
> - u_long raw_selfpc;
> - long raw_count;
> -};
> -
> -/*
> - * general rounding functions.
> - */
> -#define ROUNDDOWN(x,y) (((x)/(y))*(y))
> -#define ROUNDUP(x,y) ((((x)+(y)-1)/(y))*(y))
> -
> -/*
> - * The profiling data structures are housed in this structure.
> - */
> -struct gmonparam {
> - long int state;
> - u_short *kcount;
> - u_long kcountsize;
> - ARCINDEX *froms;
> - u_long fromssize;
> - struct tostruct *tos;
> - u_long tossize;
> - long tolimit;
> - u_long lowpc;
> - u_long highpc;
> - u_long textsize;
> - u_long hashfraction;
> - long log_hashfraction;
> -};
> -extern struct gmonparam _gmonparam;
> -
> -/*
> - * Possible states of profiling.
> - */
> -#define GMON_PROF_ON 0
> -#define GMON_PROF_BUSY 1
> -#define GMON_PROF_ERROR 2
> -#define GMON_PROF_OFF 3
> -
> -/*
> - * Sysctl definitions for extracting profiling information from the kernel.
> - */
> -#define GPROF_STATE 0 /* int: profiling enabling variable */
> -#define GPROF_COUNT 1 /* struct: profile tick count buffer */
> -#define GPROF_FROMS 2 /* struct: from location hash bucket */
> -#define GPROF_TOS 3 /* struct: destination/count structure
> */
> -#define GPROF_GMONPARAM 4 /* struct: profiling parameters (see
> above) */
> -
> -__BEGIN_DECLS
> -
> -/* Set up data structures and start profiling. */
> -extern void __monstartup (u_long __lowpc, u_long __highpc) __THROW;
> -extern void monstartup (u_long __lowpc, u_long __highpc) __THROW;
> -
> -/* Clean up profiling and write out gmon.out. */
> -extern void _mcleanup (void) __THROW;
> -
> -extern void __write_profiling (void);
> -extern int attribute_hidden __profile_frequency (void);
> -
> -extern u_long __arc_profile_desc_secstart[], __arc_profile_desc_secend[];
> -extern u_long __arc_profile_forward_secstart[],
> __arc_profile_forward_secend[];
> -extern u_long __arc_profile_counters_secstart[];
> -
> -__END_DECLS
> -
> -#endif /* sys/gmon.h */
> diff --git a/libgcc/config/arc/gmon/sys/gmon_out.h
> b/libgcc/config/arc/gmon/sys/gmon_out.h
> deleted file mode 100644
> index d1f3b05..0000000
> --- a/libgcc/config/arc/gmon/sys/gmon_out.h
> +++ /dev/null
> @@ -1,55 +0,0 @@
> -/* Copyright (C) 2007-2016 Free Software Foundation, Inc.
> - Contributor: Joern Rennecke <joern.renne...@embecosm.com>
> - on behalf of Synopsys Inc.
> -
> -This file is part of GCC.
> -
> -GCC is free software; you can redistribute it and/or modify it under
> -the terms of the GNU General Public License as published by the Free
> -Software Foundation; either version 3, or (at your option) any later
> -version.
> -
> -GCC is distributed in the hope that it will be useful, but WITHOUT ANY
> -WARRANTY; without even the implied warranty of MERCHANTABILITY or
> -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
> -for more details.
> -
> -Under Section 7 of GPL version 3, you are granted additional
> -permissions described in the GCC Runtime Library Exception, version
> -3.1, as published by the Free Software Foundation.
> -
> -You should have received a copy of the GNU General Public License and
> -a copy of the GCC Runtime Library Exception along with this program;
> -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
> -<http://www.gnu.org/licenses/>. */
> -
> -#define GMON_TAG_TIME_HIST 0
> -#define GMON_TAG_CG_ARC 1
> -#define GMON_TAG_BB_COUNT 2
> -
> -#define GMON_MAGIC "gmon"
> -#define GMON_VERSION 1
> -
> -struct arc_gmon_hist_hdr
> -{
> - char low_pc[4];
> - char high_pc[4];
> - char hist_size[4];
> - char prof_rate[4];
> - char dimen[15];
> - char dimen_abbrev;
> -};
> -
> -struct gmon_cg_arc_record
> -{
> - char afrompc[4];
> - char selfpc[4];
> - char count[4];
> -};
> -
> -struct gmon_hdr
> -{
> - char cookie[4];
> - char version[4];
> - char c[12];
> -};
> diff --git a/libgcc/config/arc/t-arc b/libgcc/config/arc/t-arc
> index 3523aed..51a9273 100644
> --- a/libgcc/config/arc/t-arc
> +++ b/libgcc/config/arc/t-arc
> @@ -62,42 +62,5 @@ fp-bit.c: $(srcdir)/fp-bit.c
>
> # .init/.fini section routines
>
> -crtg.o: $(srcdir)/config/arc/crtg.S
> - $(crt_compile) -c -x assembler-with-cpp $<
> -
> -crtgend.o: $(srcdir)/config/arc/crtgend.S
> - $(crt_compile) -c -x assembler-with-cpp $<
> -
> crttls.o: $(srcdir)/config/arc/crttls.S
> $(crt_compile) -c -x assembler-with-cpp $<
> -
> -mcount.o: $(srcdir)/config/arc/gmon/mcount.c
> - $(gcc_compile) -isystem $(srcdir)/config/arc/gmon -c $< \
> - -fcall-saved-r0 -fcall-saved-r1 -fcall-saved-r2 -fcall-saved-r3 \
> - -fcall-saved-r4 -fcall-saved-r5 -fcall-saved-r6 -fcall-saved-r7 \
> - -fomit-frame-pointer
> -
> -gmon.o: $(srcdir)/config/arc/gmon/gmon.c
> - $(gcc_compile) -isystem $(srcdir)/config/arc/gmon -mno-sdata -c $< \
> - -fno-strict-aliasing \
> - -Wno-extra # suppress inane warning about missing initializer.
> - # Adding initializers for the remaining elements of gmonparam would
> - # make the code more brittle.
> -
> -prof-freq-stub.o: $(srcdir)/config/arc/gmon/prof-freq-stub.S
> - $(gcc_compile) -isystem $(srcdir)/config/arc/gmon -c $<
> -
> -prof-freq.o: $(srcdir)/config/arc/gmon/prof-freq.c
> - $(gcc_compile) -isystem $(srcdir)/config/arc/gmon -c $<
> -
> -dcache_linesz.o: $(srcdir)/config/arc/gmon/dcache_linesz.S
> - $(gcc_compile) -isystem $(srcdir)/config/arc/gmon -c $<
> -
> -profil.o: $(srcdir)/config/arc/gmon/profil.S
> - $(gcc_compile) -isystem $(srcdir)/config/arc/gmon -c $<
> -
> -profil-uclibc.o: $(srcdir)/config/arc/gmon/profil-uclibc.c
> - $(gcc_compile) -isystem $(srcdir)/config/arc/gmon -c $<
> -
> -libgmon.a: mcount.o gmon.o dcache_linesz.o $(PROFILE_OSDEP)
> - $(AR_CREATE_FOR_TARGET) $@ $^
> diff --git a/libgcc/config/arc/t-arc-newlib b/libgcc/config/arc/t-arc-newlib
> deleted file mode 100644
> index f56b052..0000000
> --- a/libgcc/config/arc/t-arc-newlib
> +++ /dev/null
> @@ -1,22 +0,0 @@
> -# GCC Makefile fragment for the Synopsys DesignWare ARC CPU with newlib.
> -
> -# Copyright (C) 2007-2016 Free Software Foundation, Inc.
> -# Contributor: Joern Rennecke <joern.renne...@embecosm.com>
> -# on behalf of Synopsys Inc.
> -
> -# This file is part of GCC.
> -
> -# GCC is free software; you can redistribute it and/or modify it under the
> -# terms of the GNU General Public License as published by the Free Software
> -# Foundation; either version 3, or (at your option) any later version.
> -
> -# GCC is distributed in the hope that it will be useful, but WITHOUT ANY
> -# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
> -# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
> -# details.
> -
> -# You should have received a copy of the GNU General Public License along
> -# with GCC; see the file COPYING3. If not see
> -# <http://www.gnu.org/licenses/>.
> -
> -PROFILE_OSDEP = prof-freq-stub.o profil.o
> diff --git a/libgcc/config/arc/t-arc-uClibc b/libgcc/config/arc/t-arc-uClibc
> new file mode 100644
> index 0000000..81156e8
> --- /dev/null
> +++ b/libgcc/config/arc/t-arc-uClibc
> @@ -0,0 +1,38 @@
> +# GCC Makefile fragment for the Synopsys DesignWare ARC700 CPU with uClibc.
> +
> +# Copyright (C) 2007-2016 Free Software Foundation, Inc.
> +# Contributor: Joern Rennecke <joern.renne...@embecosm.com>
> +# on behalf of Synopsys Inc.
> +
> +# This file is part of GCC.
> +
> +# GCC is free software; you can redistribute it and/or modify it under
> +# the terms of the GNU General Public License as published by the Free
> +# Software Foundation; either version 3, or (at your option) any later
> +# version.
> +
> +# GCC is distributed in the hope that it will be useful, but WITHOUT ANY
> +# WARRANTY; without even the implied warranty of MERCHANTABILITY or
> +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
> +# for more details.
> +
> +# Under Section 7 of GPL version 3, you are granted additional
> +# permissions described in the GCC Runtime Library Exception, version
> +# 3.1, as published by the Free Software Foundation.
> +
> +# You should have received a copy of the GNU General Public License and
> +# a copy of the GCC Runtime Library Exception along with this program;
> +# see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
> +# <http://www.gnu.org/licenses/>. */
> +
> +CRTSTUFF_T_CFLAGS += -mno-sdata
> +
> +# Compile crtbeginS.o and crtendS.o with pic.
> +CRTSTUFF_T_CFLAGS_S = $(CRTSTUFF_T_CFLAGS) -fPIC
> +
> +# Compile libgcc2.a with pic.
> +TARGET_LIBGCC2_CFLAGS = -fPIC
> +
> +# Override t-slibgcc-elf-ver to hide some lib1func
> +# routines which should not be called via PLT.
> +SHLIB_MAPFILES = libgcc-std.ver $(srcdir)/config/arc/libgcc-excl.ver
> diff --git a/libgcc/config/arc/t-arc700-uClibc
> b/libgcc/config/arc/t-arc700-uClibc
> deleted file mode 100644
> index f5067cc..0000000
> --- a/libgcc/config/arc/t-arc700-uClibc
> +++ /dev/null
> @@ -1,40 +0,0 @@
> -# GCC Makefile fragment for the Synopsys DesignWare ARC700 CPU with uClibc.
> -
> -# Copyright (C) 2007-2016 Free Software Foundation, Inc.
> -# Contributor: Joern Rennecke <joern.renne...@embecosm.com>
> -# on behalf of Synopsys Inc.
> -
> -# This file is part of GCC.
> -
> -# GCC is free software; you can redistribute it and/or modify it under
> -# the terms of the GNU General Public License as published by the Free
> -# Software Foundation; either version 3, or (at your option) any later
> -# version.
> -
> -# GCC is distributed in the hope that it will be useful, but WITHOUT ANY
> -# WARRANTY; without even the implied warranty of MERCHANTABILITY or
> -# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
> -# for more details.
> -
> -# Under Section 7 of GPL version 3, you are granted additional
> -# permissions described in the GCC Runtime Library Exception, version
> -# 3.1, as published by the Free Software Foundation.
> -
> -# You should have received a copy of the GNU General Public License and
> -# a copy of the GCC Runtime Library Exception along with this program;
> -# see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
> -# <http://www.gnu.org/licenses/>. */
> -
> -CRTSTUFF_T_CFLAGS += -mno-sdata
> -
> -# Compile crtbeginS.o and crtendS.o with pic.
> -CRTSTUFF_T_CFLAGS_S = $(CRTSTUFF_T_CFLAGS) -fPIC
> -
> -# Compile libgcc2.a with pic.
> -TARGET_LIBGCC2_CFLAGS = -fPIC
> -
> -PROFILE_OSDEP = prof-freq.o
> -
> -# Override t-slibgcc-elf-ver to hide some lib1func
> -# routines which should not be called via PLT.
> -SHLIB_MAPFILES = libgcc-std.ver $(srcdir)/config/arc/libgcc-excl.ver
> --
> 1.9.1
>
