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| author | Michael Matz <matz@suse.de> | 2012-04-16 00:39:24 +0200 |
|---|---|---|
| committer | Michael Matz <matz@suse.de> | 2012-04-18 20:57:13 +0200 |
| commit | b068e29df753192bdcec5b1e41401bdc21812136 (patch) | |
| tree | d279b570b136fb8bd4fe6698f0db2bcd8302ddce /lib | |
| parent | 4c0d70ab07b4a5a5040e53259f8e9cedd4ec89b2 (diff) | |
| download | tinycc-b068e29df753192bdcec5b1e41401bdc21812136.tar.gz tinycc-b068e29df753192bdcec5b1e41401bdc21812136.tar.bz2 | |
x86_64: Implement GET_CALLER_FP
TCC always uses %rbp frames, so we can use that one.
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/bcheck.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/bcheck.c b/lib/bcheck.c index 9996649..48d7606 100644 --- a/lib/bcheck.c +++ b/lib/bcheck.c @@ -216,6 +216,14 @@ BOUND_PTR_INDIR(16) __asm__ __volatile__ ("movl %%ebp,%0" :"=g" (fp1));\ fp = fp1[0];\ } +#elif defined(__x86_64__) +/* TCC always creates %rbp frames also on x86_64, so use them. */ +#define GET_CALLER_FP(fp)\ +{\ + unsigned long *fp1;\ + __asm__ __volatile__ ("movq %%rbp,%0" :"=g" (fp1));\ + fp = fp1[0];\ +} #else #error put code to extract the calling frame pointer #endif |