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| author | Roland McGrath <roland@hack.frob.com> | 2012-05-25 13:31:57 -0700 |
|---|---|---|
| committer | Roland McGrath <roland@hack.frob.com> | 2012-05-25 13:41:03 -0700 |
| commit | 8422c9a560e6e3c854739c8a13ecb1c6714f930f (patch) | |
| tree | 145ab8a248defdcdc064755032eecb0eb69a4e97 /sysdeps/i386/__longjmp.S | |
| parent | 3a097cc7a18309c864186c1b864b90889d2a45e9 (diff) | |
| download | glibc-8422c9a560e6e3c854739c8a13ecb1c6714f930f.tar.gz glibc-8422c9a560e6e3c854739c8a13ecb1c6714f930f.tar.xz glibc-8422c9a560e6e3c854739c8a13ecb1c6714f930f.zip | |
Add systemtap static probe points in setjmp/longjmp on x86.
Diffstat (limited to 'sysdeps/i386/__longjmp.S')
| -rw-r--r-- | sysdeps/i386/__longjmp.S | 8 |
1 files changed, 6 insertions, 2 deletions
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 |