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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/unix/sysv | |
| 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/unix/sysv')
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/____longjmp_chk.S | 8 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/____longjmp_chk.S | 7 |
2 files changed, 12 insertions, 3 deletions
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) |