Author: Armin Rigo <[email protected]>
Branch: vmprof-review
Changeset: r78743:0f949cb3ea81
Date: 2015-08-02 16:49 +0200
http://bitbucket.org/pypy/pypy/changeset/0f949cb3ea81/
Log: Add some files from pypy/module/_vmprof/src
diff --git a/rpython/rlib/rvmprof/cintf.py b/rpython/rlib/rvmprof/cintf.py
--- a/rpython/rlib/rvmprof/cintf.py
+++ b/rpython/rlib/rvmprof/cintf.py
@@ -43,7 +43,6 @@
## compilation_info=eci, _nowrapper=True)
-def vmprof_init(): pass
def vmprof_enable(fileno, interval_usec): return 0
def vmprof_ignore_signals(ignore): pass
diff --git a/rpython/rlib/rvmprof/src/rvmprof.c
b/rpython/rlib/rvmprof/src/rvmprof.c
--- a/rpython/rlib/rvmprof/src/rvmprof.c
+++ b/rpython/rlib/rvmprof/src/rvmprof.c
@@ -1,11 +1,46 @@
-
+#define _GNU_SOURCE 1
+#include "common_header.h"
#ifndef VMPROF_ADDR_OF_TRAMPOLINE
# error "RPython program using rvmprof, but not calling vmprof_execute_code()"
#endif
+#include "rvmprof_getpc.h"
+#include "rvmprof_base.h"
+#include <dlfcn.h>
+
+
+/************************************************************/
+
+// functions copied from libunwind using dlopen
+
+static int (*unw_get_reg)(unw_cursor_t*, int, unw_word_t*) = NULL;
+static int (*unw_step)(unw_cursor_t*) = NULL;
+static int (*unw_init_local)(unw_cursor_t *, unw_context_t *) = NULL;
+static int (*unw_get_proc_info)(unw_cursor_t *, unw_proc_info_t *) = NULL;
+
+
char *rpython_vmprof_init(void)
{
- xxxx;
+ if (!unw_get_reg) {
+ void *libhandle;
+
+ if (!(libhandle = dlopen("libunwind.so", RTLD_LAZY | RTLD_LOCAL)))
+ goto error;
+ if (!(unw_get_reg = dlsym(libhandle, "_ULx86_64_get_reg")))
+ goto error;
+ if (!(unw_get_proc_info = dlsym(libhandle, "_ULx86_64_get_proc_info")))
+ goto error;
+ if (!(unw_init_local = dlsym(libhandle, "_ULx86_64_init_local")))
+ goto error;
+ if (!(unw_step = dlsym(libhandle, "_ULx86_64_step")))
+ goto error;
+ }
+ return NULL;
+
+ error:
+ return dlerror();
}
+
+/************************************************************/
diff --git a/rpython/rlib/rvmprof/src/rvmprof_base.h
b/rpython/rlib/rvmprof/src/rvmprof_base.h
new file mode 100644
--- /dev/null
+++ b/rpython/rlib/rvmprof/src/rvmprof_base.h
@@ -0,0 +1,90 @@
+#include <stddef.h>
+#include <stdint.h>
+#include <ucontext.h>
+
+// copied from libunwind.h
+
+typedef enum
+ {
+ UNW_X86_64_RAX,
+ UNW_X86_64_RDX,
+ UNW_X86_64_RCX,
+ UNW_X86_64_RBX,
+ UNW_X86_64_RSI,
+ UNW_X86_64_RDI,
+ UNW_X86_64_RBP,
+ UNW_X86_64_RSP,
+ UNW_X86_64_R8,
+ UNW_X86_64_R9,
+ UNW_X86_64_R10,
+ UNW_X86_64_R11,
+ UNW_X86_64_R12,
+ UNW_X86_64_R13,
+ UNW_X86_64_R14,
+ UNW_X86_64_R15,
+ UNW_X86_64_RIP,
+#ifdef CONFIG_MSABI_SUPPORT
+ UNW_X86_64_XMM0,
+ UNW_X86_64_XMM1,
+ UNW_X86_64_XMM2,
+ UNW_X86_64_XMM3,
+ UNW_X86_64_XMM4,
+ UNW_X86_64_XMM5,
+ UNW_X86_64_XMM6,
+ UNW_X86_64_XMM7,
+ UNW_X86_64_XMM8,
+ UNW_X86_64_XMM9,
+ UNW_X86_64_XMM10,
+ UNW_X86_64_XMM11,
+ UNW_X86_64_XMM12,
+ UNW_X86_64_XMM13,
+ UNW_X86_64_XMM14,
+ UNW_X86_64_XMM15,
+ UNW_TDEP_LAST_REG = UNW_X86_64_XMM15,
+#else
+ UNW_TDEP_LAST_REG = UNW_X86_64_RIP,
+#endif
+
+ /* XXX Add other regs here */
+
+ /* frame info (read-only) */
+ UNW_X86_64_CFA,
+
+ UNW_TDEP_IP = UNW_X86_64_RIP,
+ UNW_TDEP_SP = UNW_X86_64_RSP,
+ UNW_TDEP_BP = UNW_X86_64_RBP,
+ UNW_TDEP_EH = UNW_X86_64_RAX
+ }
+x86_64_regnum_t;
+
+typedef uint64_t unw_word_t;
+
+#define UNW_TDEP_CURSOR_LEN 127
+
+typedef struct unw_cursor
+ {
+ unw_word_t opaque[UNW_TDEP_CURSOR_LEN];
+ }
+unw_cursor_t;
+
+#define UNW_REG_IP UNW_X86_64_RIP
+#define UNW_REG_SP UNW_X86_64_RSP
+
+typedef ucontext_t unw_context_t;
+
+typedef struct unw_proc_info
+ {
+ unw_word_t start_ip; /* first IP covered by this procedure */
+ unw_word_t end_ip; /* first IP NOT covered by this procedure */
+ unw_word_t lsda; /* address of lang.-spec. data area (if any) */
+ unw_word_t handler; /* optional personality routine */
+ unw_word_t gp; /* global-pointer value for this procedure */
+ unw_word_t flags; /* misc. flags */
+
+ int format; /* unwind-info format (arch-specific) */
+ int unwind_info_size; /* size of the information (if applicable) */
+ void *unwind_info; /* unwind-info (arch-specific) */
+ }
+unw_proc_info_t;
+
+// end of copy
diff --git a/rpython/rlib/rvmprof/src/rvmprof_config.h
b/rpython/rlib/rvmprof/src/rvmprof_config.h
new file mode 100644
--- /dev/null
+++ b/rpython/rlib/rvmprof/src/rvmprof_config.h
@@ -0,0 +1,6 @@
+#define HAVE_SYS_UCONTEXT_H
+#if defined(__FreeBSD__) || defined(__APPLE__)
+#define PC_FROM_UCONTEXT uc_mcontext.mc_rip
+#else
+#define PC_FROM_UCONTEXT uc_mcontext.gregs[REG_RIP]
+#endif
diff --git a/pypy/module/_vmprof/src/getpc.h
b/rpython/rlib/rvmprof/src/rvmprof_getpc.h
rename from pypy/module/_vmprof/src/getpc.h
rename to rpython/rlib/rvmprof/src/rvmprof_getpc.h
--- a/pypy/module/_vmprof/src/getpc.h
+++ b/rpython/rlib/rvmprof/src/rvmprof_getpc.h
@@ -44,7 +44,7 @@
#ifndef BASE_GETPC_H_
#define BASE_GETPC_H_
-#include "config.h"
+#include "rvmprof_config.h"
// On many linux systems, we may need _GNU_SOURCE to get access to
// the defined constants that define the register we want to see (eg
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