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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/linux/x86_64/____longjmp_chk.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/unix/sysv/linux/x86_64/____longjmp_chk.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/____longjmp_chk.S | 7 |
1 files changed, 6 insertions, 1 deletions
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) |