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| author | Jonghyun Park <parjong@gmail.com> | 2016-12-14 11:15:21 +0900 |
|---|---|---|
| committer | Jan Kotas <jkotas@microsoft.com> | 2016-12-13 18:15:21 -0800 |
| commit | db529508a0623def4da3baa7175f4c654d3d6fbd (patch) | |
| tree | 3fb1e63b6e8cb52c18ab1bb2c87ca2ad262d2c43 /src/pal | |
| parent | 24c23c2649a0eec7621466626a5a637daca10337 (diff) | |
| download | coreclr-db529508a0623def4da3baa7175f4c654d3d6fbd.tar.gz coreclr-db529508a0623def4da3baa7175f4c654d3d6fbd.tar.bz2 coreclr-db529508a0623def4da3baa7175f4c654d3d6fbd.zip | |
[x86/Linux] Enforce 16-byte stack alignment (#8587)
Clang (and GCC) requires 16-byte stack alignment, but the current
implementation of CallDescrInternal and ThePreStub does not provide any
guarantee on stack alignment.
This commit adds 16-byte stack alignment adjust code inside these functions.
Diffstat (limited to 'src/pal')
| -rw-r--r-- | src/pal/inc/unixasmmacrosx86.inc | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/pal/inc/unixasmmacrosx86.inc b/src/pal/inc/unixasmmacrosx86.inc index 6e7254e1b1..77b3a63484 100644 --- a/src/pal/inc/unixasmmacrosx86.inc +++ b/src/pal/inc/unixasmmacrosx86.inc @@ -76,3 +76,12 @@ C_FUNC(\Name\()_End): movl C_FUNC(\Name)@GOT(%\Reg), %\Reg .intel_syntax noprefix .endm + +.macro CHECK_STACK_ALIGNMENT +#ifdef _DEBUG + test esp, 0Fh + je 0f + int3 +0: +#endif // _DEBUG +.endm |