Hi Armin > I think all the two patches need an "Upstream-Status:" statement. >
OK. I will modify my patch and submit it again. Cheers Lei Maohui > -----Original Message----- > From: akuster808 [mailto:akuster...@gmail.com] > Sent: Monday, January 12, 2015 12:09 PM > To: Lei, Maohui/雷 茂慧; openembedded-core@lists.openembedded.org > Subject: Re: [OE-core] [PATCH] gcc: upgrade to 4.9.2 and fix the bug #6824 > > Lei, > > I think all the two patches need an "Upstream-Status:" statement. > > - Armin > > On 01/11/2015 07:12 PM, Lei Maohui wrote: > > fix the yocto bug #6824 > > backport from gcc > > > > Signed-off-by: Lei Maohui <leimao...@cn.fujitsu.com> > > --- > > meta/recipes-devtools/gcc/gcc-4.9.inc | 12 +- > > ...e500-double-in-SPE_SIMD_REGNO_P-registers.patch | 13 ++ > > .../0061-Fix-for-unwinder-aborts-on-e500.patch | 161 > +++++++++++++++++++++ > > 3 files changed, 180 insertions(+), 6 deletions(-) > > create mode 100644 > meta/recipes-devtools/gcc/gcc-4.9/0060-Only-allow-e500-double-in-SPE_SIMD_ > REGNO_P-registers.patch > > create mode 100644 > > meta/recipes-devtools/gcc/gcc-4.9/0061-Fix-for-unwinder-aborts-on-e500 > > .patch > > > > diff --git a/meta/recipes-devtools/gcc/gcc-4.9.inc > > b/meta/recipes-devtools/gcc/gcc-4.9.inc > > index 2568e99..c4ec40d 100644 > > --- a/meta/recipes-devtools/gcc/gcc-4.9.inc > > +++ b/meta/recipes-devtools/gcc/gcc-4.9.inc > > @@ -2,11 +2,11 @@ require gcc-common.inc > > > > # Third digit in PV should be incremented after a minor release > > > > -PV = "4.9.1" > > +PV = "4.9.2" > > > > # BINV should be incremented to a revision after a minor gcc release > > > > -BINV = "4.9.1" > > +BINV = "4.9.2" > > > > FILESEXTRAPATHS =. "${FILE_DIRNAME}/gcc-4.9:" > > > > @@ -69,11 +69,11 @@ SRC_URI = "\ > > file://0051-eabispe.patch \ > > > file://0053-gcc-fix-segfault-from-calling-free-on-non-malloc-d-a.patch \ > > file://0054-gcc-Makefile.in-fix-parallel-building-failure.patch \ > > - file://0055-PR-rtl-optimization-61801.patch \ > > file://0056-top-level-reorder_gcc-bug-61144.patch \ > > - file://0057-aarch64-config.patch \ > > file://0058-gcc-r212171.patch \ > > file://0059-gcc-PR-rtl-optimization-63348.patch \ > > + > file://0060-Only-allow-e500-double-in-SPE_SIMD_REGNO_P-registers.patch \ > > + file://0061-Fix-for-unwinder-aborts-on-e500.patch \ > > " > > SRC_URI[md5sum] = "fddf71348546af523353bd43d34919c1" > > SRC_URI[sha256sum] = > "d334781a124ada6f38e63b545e2a3b8c2183049515a1abab6d513f109f1d717e" > > @@ -125,8 +125,8 @@ EXTRA_OECONF_INTERMEDIATE = "\ > > EXTRA_OECONF_append_libc-uclibc = " --disable-decimal-float " > > > > EXTRA_OECONF_PATHS = "\ > > - --with-gxx-include-dir=/not/exist{target_includedir}/c++/${BINV} \ > > - --with-sysroot=/not/exist \ > > + > --with-gxx-include-dir=${STAGING_DIR_TARGET}${target_includedir}/c++/${BIN > V} \ > > + --with-sysroot=${STAGING_DIR_TARGET} \ > > --with-build-sysroot=${STAGING_DIR_TARGET} \ > > " > > > > diff --git > > a/meta/recipes-devtools/gcc/gcc-4.9/0060-Only-allow-e500-double-in-SPE > > _SIMD_REGNO_P-registers.patch > > b/meta/recipes-devtools/gcc/gcc-4.9/0060-Only-allow-e500-double-in-SPE > > _SIMD_REGNO_P-registers.patch > > new file mode 100644 > > index 0000000..810ff90 > > --- /dev/null > > +++ b/meta/recipes-devtools/gcc/gcc-4.9/0060-Only-allow-e500-double-in > > +++ -SPE_SIMD_REGNO_P-registers.patch > > @@ -0,0 +1,13 @@ > > +diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c > > +index 512e7d6..292fb2c 100644 > > +--- a/gcc/config/rs6000/rs6000.c > > ++++ b/gcc/config/rs6000/rs6000.c > > +@@ -1704,7 +1704,7 @@ rs6000_hard_regno_nregs_internal (int regno, enum > machine_mode mode) > > + SCmode so as to pass the value correctly in a pair of > > + registers. */ > > + else if (TARGET_E500_DOUBLE && FLOAT_MODE_P (mode) && mode != SCmode > > +- && !DECIMAL_FLOAT_MODE_P (mode)) > > ++ && !DECIMAL_FLOAT_MODE_P (mode) && SPE_SIMD_REGNO_P > > ++ (regno)) > > + reg_size = UNITS_PER_FP_WORD; > > + > > + else > > diff --git > > a/meta/recipes-devtools/gcc/gcc-4.9/0061-Fix-for-unwinder-aborts-on-e5 > > 00.patch > > b/meta/recipes-devtools/gcc/gcc-4.9/0061-Fix-for-unwinder-aborts-on-e5 > > 00.patch > > new file mode 100644 > > index 0000000..c37a4c3 > > --- /dev/null > > +++ b/meta/recipes-devtools/gcc/gcc-4.9/0061-Fix-for-unwinder-aborts-o > > +++ n-e500.patch > > @@ -0,0 +1,161 @@ > > +diff --git a/gcc/defaults.h b/gcc/defaults.h index f94ae17..80a798f > > +100644 > > +--- a/gcc/defaults.h > > ++++ b/gcc/defaults.h > > +@@ -438,6 +438,11 @@ see the files COPYING3 and COPYING.RUNTIME > > +respectively. If not, see #define DWARF_FRAME_REGNUM(REG) > > +DBX_REGISTER_NUMBER (REG) #endif > > + > > ++/* The mapping from dwarf CFA reg number to internal dwarf reg > > ++numbers. */ #ifndef DWARF_REG_TO_UNWIND_COLUMN #define > > ++DWARF_REG_TO_UNWIND_COLUMN(REGNO) (REGNO) #endif > > ++ > > + /* Map register numbers held in the call frame info that gcc has > > + collected using DWARF_FRAME_REGNUM to those that should be output in > > + .debug_frame and .eh_frame. */ > > +diff --git a/gcc/dwarf2cfi.c b/gcc/dwarf2cfi.c index abcdeb3..4e59dfe > > +100644 > > +--- a/gcc/dwarf2cfi.c > > ++++ b/gcc/dwarf2cfi.c > > +@@ -252,7 +252,60 @@ init_return_column_size (enum machine_mode mode, rtx > mem, unsigned int c) > > + gen_int_mode (size, mode)); > > + } > > + > > +-/* Generate code to initialize the register size table. */ > > ++/* Datastructure used by expand_builtin_init_dwarf_reg_sizes and > > ++ init_one_dwarf_reg_size to communicate on what has been done by the > > ++ latter. */ > > ++ > > ++typedef struct > > ++{ > > ++ /* Whether the dwarf return column was initialized. */ > > ++ bool wrote_return_column; > > ++ > > ++ /* For each hard register REGNO, whether init_one_dwarf_reg_size > > ++ was given REGNO to process already. */ bool processed_regno > > ++ [FIRST_PSEUDO_REGISTER]; > > ++ > > ++} init_one_dwarf_reg_state; > > ++ > > ++/* Helper for expand_builtin_init_dwarf_reg_sizes. Generate code to > > ++ initialize the dwarf register size table entry corresponding to > > register > > ++ REGNO in REGMODE. TABLE is the table base address, SLOTMODE is the > > mode > to > > ++ use for the size entry to initialize, and INIT_STATE is the > > communication > > ++ datastructure conveying what we're doing to our caller. */ > > ++ > > ++static > > ++void init_one_dwarf_reg_size (int regno, machine_mode regmode, > > ++ rtx table, machine_mode slotmode, > > ++ init_one_dwarf_reg_state *init_state) { > > ++ const unsigned int dnum = DWARF_FRAME_REGNUM (regno); > > ++ const unsigned int rnum = DWARF2_FRAME_REG_OUT (dnum, 1); > > ++ const unsigned int dcol = DWARF_REG_TO_UNWIND_COLUMN (rnum); > > ++ > > ++ const HOST_WIDE_INT slotoffset = dcol * GET_MODE_SIZE (slotmode); > > ++ const HOST_WIDE_INT regsize = GET_MODE_SIZE (regmode); > > ++ > > ++ init_state->processed_regno[regno] = true; > > ++ > > ++ if (rnum >= DWARF_FRAME_REGISTERS) > > ++ return; > > ++ > > ++ if (dnum == DWARF_FRAME_RETURN_COLUMN) > > ++ { > > ++ if (regmode == VOIDmode) > > ++ return; > > ++ init_state->wrote_return_column = true; > > ++ } > > ++ > > ++ if (slotoffset < 0) > > ++ return; > > ++ > > ++ emit_move_insn (adjust_address (table, slotmode, slotoffset), > > ++ gen_int_mode (regsize, slotmode)); } > > ++ > > ++/* Generate code to initialize the dwarf register size table located > > ++ at the provided ADDRESS. */ > > + > > + void > > + expand_builtin_init_dwarf_reg_sizes (tree address) @@ -261,37 > > ++314,41 @@ expand_builtin_init_dwarf_reg_sizes (tree address) > > + enum machine_mode mode = TYPE_MODE (char_type_node); > > + rtx addr = expand_normal (address); > > + rtx mem = gen_rtx_MEM (BLKmode, addr); > > +- bool wrote_return_column = false; > > ++ > > ++ init_one_dwarf_reg_state init_state; memset ((char *)&init_state, > > ++ 0, sizeof (init_state)); > > + > > + for (i = 0; i < FIRST_PSEUDO_REGISTER; i++) > > + { > > +- unsigned int dnum = DWARF_FRAME_REGNUM (i); > > +- unsigned int rnum = DWARF2_FRAME_REG_OUT (dnum, 1); > > ++ machine_mode save_mode; > > ++ rtx span; > > + > > +- if (rnum < DWARF_FRAME_REGISTERS) > > +- { > > +- HOST_WIDE_INT offset = rnum * GET_MODE_SIZE (mode); > > +- enum machine_mode save_mode = reg_raw_mode[i]; > > +- HOST_WIDE_INT size; > > ++ /* No point in processing a register multiple times. This could > happen > > ++ with register spans, e.g. when a reg is first processed as a > > piece > of > > ++ a span, then as a register on its own later on. */ > > + > > +- if (HARD_REGNO_CALL_PART_CLOBBERED (i, save_mode)) > > +- save_mode = choose_hard_reg_mode (i, 1, true); > > +- if (dnum == DWARF_FRAME_RETURN_COLUMN) > > +- { > > +- if (save_mode == VOIDmode) > > +- continue; > > +- wrote_return_column = true; > > +- } > > +- size = GET_MODE_SIZE (save_mode); > > +- if (offset < 0) > > +- continue; > > ++ if (init_state.processed_regno[i]) > > ++ continue; > > + > > +- emit_move_insn (adjust_address (mem, mode, offset), > > +- gen_int_mode (size, mode)); > > ++ save_mode = reg_raw_mode[i]; > > ++ if (HARD_REGNO_CALL_PART_CLOBBERED (i, save_mode)) > > ++ save_mode = choose_hard_reg_mode (i, 1, true); > > ++ > > ++ span = targetm.dwarf_register_span (gen_rtx_REG (save_mode, i)); > > ++ if (!span) > > ++ init_one_dwarf_reg_size (i, save_mode, mem, mode, &init_state); > > ++ else > > ++ { > > ++ for (int si = 0; si < XVECLEN (span, 0); si++) > > ++ { > > ++ rtx reg = XVECEXP (span, 0, si); > > ++ init_one_dwarf_reg_size > > ++ (REGNO (reg), GET_MODE (reg), mem, mode, &init_state); > > ++ } > > + } > > + } > > + > > +- if (!wrote_return_column) > > ++ if (!init_state.wrote_return_column) > > + init_return_column_size (mode, mem, DWARF_FRAME_RETURN_COLUMN); > > + > > + #ifdef DWARF_ALT_FRAME_RETURN_COLUMN diff --git > > +a/libgcc/unwind-dw2.c b/libgcc/unwind-dw2.c index 55fc4bc..37f0ae2 > > +100644 > > +--- a/libgcc/unwind-dw2.c > > ++++ b/libgcc/unwind-dw2.c > > +@@ -55,10 +55,6 @@ > > + #define PRE_GCC3_DWARF_FRAME_REGISTERS DWARF_FRAME_REGISTERS #endif > > + > > +-#ifndef DWARF_REG_TO_UNWIND_COLUMN > > +-#define DWARF_REG_TO_UNWIND_COLUMN(REGNO) (REGNO) -#endif > > +- > > + /* ??? For the public function interfaces, we tend to gcc_assert that the > > + column numbers are in range. For the dwarf2 unwind info this does > > happen, > > + although so far in a case that doesn't actually matter. > > -- _______________________________________________ Openembedded-core mailing list Openembedded-core@lists.openembedded.org http://lists.openembedded.org/mailman/listinfo/openembedded-core