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-rw-r--r--ChangeLog9
-rw-r--r--sysdeps/i386/__longjmp.S8
-rw-r--r--sysdeps/i386/bsd-_setjmp.S4
-rw-r--r--sysdeps/i386/bsd-setjmp.S4
-rw-r--r--sysdeps/i386/setjmp.S5
-rw-r--r--sysdeps/unix/sysv/linux/i386/____longjmp_chk.S8
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/____longjmp_chk.S7
-rw-r--r--sysdeps/x86_64/__longjmp.S4
-rw-r--r--sysdeps/x86_64/setjmp.S2
9 files changed, 42 insertions, 9 deletions
diff --git a/ChangeLog b/ChangeLog
index e89af6fdfd..e1a08346bd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,14 @@
2012-05-25 Roland McGrath <roland@hack.frob.com>
+ * sysdeps/x86_64/__longjmp.S: Add a static probe here.
+ * sysdeps/x86_64/setjmp.S: Likewise.
+ * sysdeps/i386/bsd-setjmp.S: Likewise.
+ * sysdeps/i386/bsd-_setjmp.S: Likewise.
+ * sysdeps/i386/setjmp.S: Likewise.
+ * sysdeps/i386/__longjmp.S: Likewise.
+ * sysdeps/unix/sysv/linux/x86_64/____longjmp_chk.S: Likewise.
+ * sysdeps/unix/sysv/linux/i386/____longjmp_chk.S: Likewise.
+
* include/stap-probe.h: New file.
* configure.in: Handle --enable-systemtap.
* configure: Regenerated.
diff --git a/sysdeps/i386/__longjmp.S b/sysdeps/i386/__longjmp.S
index 264eb7e0d2..74c8347d8c 100644
--- a/sysdeps/i386/__longjmp.S
+++ b/sysdeps/i386/__longjmp.S
@@ -1,6 +1,5 @@
/* longjmp for i386.
- Copyright (C) 1995-1998,2000,2002,2005,2006,2009
- Free Software Foundation, Inc.
+ Copyright (C) 1995-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -20,6 +19,7 @@
#include <sysdep.h>
#include <jmpbuf-offsets.h>
#include <asm-syntax.h>
+#include <stap-probe.h>
.text
ENTRY (__longjmp)
@@ -32,6 +32,7 @@ ENTRY (__longjmp)
movl (JB_SP*4)(%eax), %ecx
PTR_DEMANGLE (%edx)
PTR_DEMANGLE (%ecx)
+ LIBC_PROBE (longjmp, 3, 4@%eax, -4@8(%esp), 4@%edx)
cfi_def_cfa(%eax, 0)
cfi_register(%eip, %edx)
cfi_register(%esp, %ecx)
@@ -49,6 +50,7 @@ ENTRY (__longjmp)
cfi_restore(%edi)
cfi_restore(%ebp)
+ LIBC_PROBE (longjmp_target, 3, 4@%eax, -4@8(%esp), 4@%edx)
movl 8(%esp), %eax /* Second argument is return value. */
movl %ecx, %esp
#else
@@ -56,12 +58,14 @@ ENTRY (__longjmp)
movl 8(%esp), %eax /* Second argument is return value. */
/* Save the return address now. */
movl (JB_PC*4)(%ecx), %edx
+ LIBC_PROBE (longjmp, 3, 4@%ecx, -4@%eax, 4@%edx)
/* Restore registers. */
movl (JB_BX*4)(%ecx), %ebx
movl (JB_SI*4)(%ecx), %esi
movl (JB_DI*4)(%ecx), %edi
movl (JB_BP*4)(%ecx), %ebp
movl (JB_SP*4)(%ecx), %esp
+ LIBC_PROBE (longjmp_target, 3, 4@%ecx, -4@%ecx, 4@%edx)
#endif
/* Jump to saved PC. */
jmp *%edx
diff --git a/sysdeps/i386/bsd-_setjmp.S b/sysdeps/i386/bsd-_setjmp.S
index 549aefa181..8a5d0d8624 100644
--- a/sysdeps/i386/bsd-_setjmp.S
+++ b/sysdeps/i386/bsd-_setjmp.S
@@ -1,5 +1,5 @@
/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. i386 version.
- Copyright (C) 1994-1997,2000-2002,2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 1994-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -24,6 +24,7 @@
#include <jmpbuf-offsets.h>
#include "bp-sym.h"
#include "bp-asm.h"
+#include <stap-probe.h>
#define PARMS LINKAGE /* no space for saved regs */
#define JMPBUF PARMS
@@ -46,6 +47,7 @@ ENTRY (BP_SYM (_setjmp))
#endif
movl %ecx, (JB_SP*4)(%edx)
movl PCOFF(%esp), %ecx /* Save PC we are returning to now. */
+ LIBC_PROBE (setjmp, 3, 4@%edx, -4@$0, 4@%ecx)
#ifdef PTR_MANGLE
PTR_MANGLE (%ecx)
#endif
diff --git a/sysdeps/i386/bsd-setjmp.S b/sysdeps/i386/bsd-setjmp.S
index 447fd7d124..d3a284ef28 100644
--- a/sysdeps/i386/bsd-setjmp.S
+++ b/sysdeps/i386/bsd-setjmp.S
@@ -1,5 +1,5 @@
/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. i386 version.
- Copyright (C) 1994-1997,2000,2001,2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 1994-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -24,6 +24,7 @@
#include <jmpbuf-offsets.h>
#include "bp-sym.h"
#include "bp-asm.h"
+#include <stap-probe.h>
#define PARMS LINKAGE /* no space for saved regs */
#define JMPBUF PARMS
@@ -48,6 +49,7 @@ ENTRY (BP_SYM (setjmp))
#endif
movl %ecx, (JB_SP*4)(%eax)
movl PCOFF(%esp), %ecx /* Save PC we are returning to now. */
+ LIBC_PROBE (setjmp, 3, 4@%eax, -4@$1, 4@%ecx)
#ifdef PTR_MANGLE
PTR_MANGLE (%ecx)
#endif
diff --git a/sysdeps/i386/setjmp.S b/sysdeps/i386/setjmp.S
index 741674482b..bf47f667b1 100644
--- a/sysdeps/i386/setjmp.S
+++ b/sysdeps/i386/setjmp.S
@@ -1,6 +1,5 @@
/* setjmp for i386.
- Copyright (C) 1995,1996,1997,2000,2001,2005,2006
- Free Software Foundation, Inc.
+ Copyright (C) 1995-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -22,6 +21,7 @@
#include <asm-syntax.h>
#include "bp-sym.h"
#include "bp-asm.h"
+#include <stap-probe.h>
#define PARMS LINKAGE /* no space for saved regs */
#define JMPBUF PARMS
@@ -43,6 +43,7 @@ ENTRY (BP_SYM (__sigsetjmp))
#endif
movl %ecx, (JB_SP*4)(%eax)
movl PCOFF(%esp), %ecx /* Save PC we are returning to now. */
+ LIBC_PROBE (setjmp, 3, 4@%eax, -4@SIGMSK(%esp), 4@%ecx)
#ifdef PTR_MANGLE
PTR_MANGLE (%ecx)
#endif
diff --git a/sysdeps/unix/sysv/linux/i386/____longjmp_chk.S b/sysdeps/unix/sysv/linux/i386/____longjmp_chk.S
index b2cc368839..e1350767b1 100644
--- a/sysdeps/unix/sysv/linux/i386/____longjmp_chk.S
+++ b/sysdeps/unix/sysv/linux/i386/____longjmp_chk.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001,2004,2005,2006,2009 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -18,6 +18,7 @@
#include <sysdep.h>
#include <jmpbuf-offsets.h>
#include <asm-syntax.h>
+#include <stap-probe.h>
.section .rodata.str1.1,"aMS",@progbits,1
@@ -78,7 +79,9 @@ ENTRY (____longjmp_chk)
cfi_adjust_cfa_offset(-12)
movl 4(%esp), %ecx
-.Lok: /* We add unwind information for the target here. */
+.Lok:
+ LIBC_PROBE (longjmp, 3, 4@%ecx, -4@8(%esp), 4@%edx)
+ /* We add unwind information for the target here. */
cfi_def_cfa(%ecx, 0)
cfi_register(%eip, %edx)
cfi_register(%esp, %edi)
@@ -101,5 +104,6 @@ ENTRY (____longjmp_chk)
cfi_restore(%ebp)
/* Jump to saved PC. */
+ LIBC_PROBE (longjmp_target, 3, 4@%ecx, -4@%eax, 4@%edx)
jmp *%edx
END (____longjmp_chk)
diff --git a/sysdeps/unix/sysv/linux/x86_64/____longjmp_chk.S b/sysdeps/unix/sysv/linux/x86_64/____longjmp_chk.S
index c392820cd0..d9bdb67d52 100644
--- a/sysdeps/unix/sysv/linux/x86_64/____longjmp_chk.S
+++ b/sysdeps/unix/sysv/linux/x86_64/____longjmp_chk.S
@@ -18,6 +18,7 @@
#include <sysdep.h>
#include <jmpbuf-offsets.h>
#include <asm-syntax.h>
+#include <stap-probe.h>
#include <sigaltstack-offsets.h>
@@ -103,7 +104,9 @@ ENTRY(____longjmp_chk)
movl %ebx, %esi
cfi_restore (%rsi)
-.Lok: /* We add unwind information for the target here. */
+.Lok:
+ LIBC_PROBE (longjmp, 3, LP_SIZE@%RDI_LP, -4@%esi, LP_SIZE@%RDX_LP)
+ /* We add unwind information for the target here. */
cfi_def_cfa(%rdi, 0)
cfi_register(%rsp,%r8)
cfi_register(%rbp,%r9)
@@ -122,5 +125,7 @@ ENTRY(____longjmp_chk)
movl %esi, %eax
mov %R8_LP, %RSP_LP
movq %r9,%rbp
+ LIBC_PROBE (longjmp_target, 3,
+ LP_SIZE@%RDI_LP, -4@%eax, LP_SIZE@%RDX_LP)
jmpq *%rdx
END (____longjmp_chk)
diff --git a/sysdeps/x86_64/__longjmp.S b/sysdeps/x86_64/__longjmp.S
index c0c15dc810..ef1147abc1 100644
--- a/sysdeps/x86_64/__longjmp.S
+++ b/sysdeps/x86_64/__longjmp.S
@@ -18,6 +18,7 @@
#include <sysdep.h>
#include <jmpbuf-offsets.h>
#include <asm-syntax.h>
+#include <stap-probe.h>
/* Jump to the position specified by ENV, causing the
setjmp call there to return VAL, or 1 if VAL is 0.
@@ -41,6 +42,7 @@ ENTRY(__longjmp)
orq %rax, %r9
# endif
#endif
+ LIBC_PROBE (longjmp, 3, LP_SIZE@%RDI_LP, -4@%esi, LP_SIZE@%RDX_LP)
/* We add unwind information for the target here. */
cfi_def_cfa(%rdi, 0)
cfi_register(%rsp,%r8)
@@ -60,5 +62,7 @@ ENTRY(__longjmp)
mov %esi, %eax
mov %R8_LP,%RSP_LP
movq %r9,%rbp
+ LIBC_PROBE (longjmp_target, 3,
+ LP_SIZE@%RDI_LP, -4@%eax, LP_SIZE@%RDX_LP)
jmpq *%rdx
END (__longjmp)
diff --git a/sysdeps/x86_64/setjmp.S b/sysdeps/x86_64/setjmp.S
index 5639292da4..82ac73151c 100644
--- a/sysdeps/x86_64/setjmp.S
+++ b/sysdeps/x86_64/setjmp.S
@@ -19,6 +19,7 @@
#include <sysdep.h>
#include <jmpbuf-offsets.h>
#include <asm-syntax.h>
+#include <stap-probe.h>
ENTRY (__sigsetjmp)
/* Save registers. */
@@ -47,6 +48,7 @@ ENTRY (__sigsetjmp)
#endif
movq %rdx, (JB_RSP*8)(%rdi)
mov (%rsp), %RAX_LP /* Save PC we are returning to now. */
+ LIBC_PROBE (setjmp, 3, LP_SIZE@%RDI_LP, -4@%esi, LP_SIZE@%RAX_LP)
#ifdef PTR_MANGLE
PTR_MANGLE (%RAX_LP)
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 11:05:23 +0000