diff options
| author | Denys Vlasenko <[email protected]> | 2015-04-07 22:43:38 +0200 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2015-04-09 10:31:24 +0200 |
| commit | 05f1752d195c145d02ae40881d0985c2cfbee473 (patch) | |
| tree | 64be9c420b425cd07ec3c3acd48409b529e39563 | |
| parent | 31f0119b817f6474a7b4c48fed7588af1b62c543 (diff) | |
x86/asm/entry/64: Move stub_x32_execvecloser() to stub_execveat()
This is a preparatory patch for moving stub32_execve[at]() to this
file. It makes sense to have all execve stubs in one place, so
that they can reuse code.
Signed-off-by: Denys Vlasenko <[email protected]>
Cc: Alexei Starovoitov <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Will Drewry <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
| -rw-r--r-- | arch/x86/kernel/entry_64.S | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 5252e6021826..f7d9ba6f73a3 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -521,6 +521,23 @@ ENTRY(stub_execveat) CFI_ENDPROC END(stub_execveat) +#ifdef CONFIG_X86_X32_ABI +ENTRY(stub_x32_execve) + CFI_STARTPROC + DEFAULT_FRAME 0, 8 + call compat_sys_execve + jmp return_from_execve + CFI_ENDPROC +END(stub_x32_execve) +ENTRY(stub_x32_execveat) + CFI_STARTPROC + DEFAULT_FRAME 0, 8 + call compat_sys_execveat + jmp return_from_execve + CFI_ENDPROC +END(stub_x32_execveat) +#endif + /* * sigreturn is special because it needs to restore all registers on return. * This cannot be done with SYSRET, so use the IRET return path instead. @@ -555,23 +572,6 @@ ENTRY(stub_x32_rt_sigreturn) jmp return_from_stub CFI_ENDPROC END(stub_x32_rt_sigreturn) - -ENTRY(stub_x32_execve) - CFI_STARTPROC - DEFAULT_FRAME 0, 8 - call compat_sys_execve - jmp return_from_execve - CFI_ENDPROC -END(stub_x32_execve) - -ENTRY(stub_x32_execveat) - CFI_STARTPROC - DEFAULT_FRAME 0, 8 - call compat_sys_execveat - jmp return_from_execve - CFI_ENDPROC -END(stub_x32_execveat) - #endif /* |