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rt: Make unwinding through __morestack work on mac

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Had to bump the min stack size in some of the tests from 256 bytes
to 1024 bytes. Not sure why yet.
This commit is contained in:
Brian Anderson 2011-12-11 17:50:12 -08:00 • committed by Graydon Hoare
parent 3e32f6623c
commit 887d970fee
1 changed files with 1 additions and 3 deletions
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4
src/rt/arch/x86_64/morestack.S
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@ -73,13 +73,11 @@ MORESTACK:
// During unwinding we want to skip our caller since it's not
// a complete frame and will make the unwinder sad
#if defined(__linux__)
// Don't understand this line
.cfi_offset 16, 0
// Tell the unwinding where to get the stack pointer for
// our grandparent frame
.cfi_offset %rsp, -24
#endif
// Save the grandparent stack pointer for the unwinder
leaq 16(%rbp), %rax
@ -162,4 +160,4 @@ MORESTACK:
#else
MORESTACK:
ret
#endif
#endif