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| author | Rich Felker <dalias@aerifal.cx> | 2012-07-02 22:49:25 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2012-07-02 22:49:25 -0400 |
| commit | e6129e6d836e5f4725d9b14ba7457b32e24adc61 (patch) | |
| tree | d63d9d8c594139e14cbea7ffbfeeb7e836d0ca5b /src | |
| parent | 8e26a591d059382cd28b96e457ede2fe07c550c7 (diff) | |
| download | musl-e6129e6d836e5f4725d9b14ba7457b32e24adc61.tar.gz musl-e6129e6d836e5f4725d9b14ba7457b32e24adc61.tar.bz2 musl-e6129e6d836e5f4725d9b14ba7457b32e24adc61.tar.xz musl-e6129e6d836e5f4725d9b14ba7457b32e24adc61.zip | |
fix sigsetjmp on arm (needs asm)
no idea why gcc refuses to compile the C code to use a tail call, but
it's best to use asm anyway so we don't have to rely on the quality of
the compiler's optimizations for correct code.
Diffstat (limited to 'src')
| -rw-r--r-- | src/signal/arm/sigsetjmp.s | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/signal/arm/sigsetjmp.s b/src/signal/arm/sigsetjmp.s new file mode 100644 index 00000000..acb0301e --- /dev/null +++ b/src/signal/arm/sigsetjmp.s @@ -0,0 +1,13 @@ +.global sigsetjmp +.type sigsetjmp,%function +sigsetjmp: + str a2,[a1,#256] + tst a2,a2 + beq setjmp + push {a1,lr} + add a3,a1,#260 + mov a2,#0 + mov a1,#2 + bl sigprocmask + pop {a1,lr} + b setjmp |