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rt: Remove some duplicated code from 64-bit __morestack

This commit is contained in:
Brian Anderson 2011-12-12 16:58:21 -08:00
parent 76f13c95a0
commit 1c1bc2f1cd
1 changed files with 0 additions and 12 deletions
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12
src/rt/arch/x86_64/morestack.S
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@ -71,18 +71,6 @@ MORESTACK:
leaq 16(%rbp), %rax
pushq %rax
// During unwinding we want to skip our caller since it's not
// a complete frame and will make the unwinder sad
// 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
// Save the grandparent stack pointer for the unwinder
leaq 16(%rbp), %rax
pushq %rax
// FIXME: libgcc also saves rax. not sure if we need to
// Save argument registers