blob: c04c3e01c7ea413a675f4407f742bb61b0ea12b2 (
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/*
The function for switching to the C stack. It is called
__morestack because gdb allows any frame with that name to
move the stack pointer to a different stack, which it usually
considers an error.
*/
.text
#if defined(__APPLE__) || defined(_WIN32)
.globl ___morestack
___morestack:
#else
.globl __morestack
.hidden __morestack
__morestack:
#endif
#if defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__)
.cfi_startproc
#endif
pushl %ebp
#if defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__)
.cfi_def_cfa_offset 8
.cfi_offset %ebp, -8
#endif
movl %esp,%ebp // save esp
#if defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__)
.cfi_def_cfa_register %ebp
#endif
movl 16(%ebp),%esp // load new esp
subl $12,%esp // maintain 16-byte alignment
pushl 8(%ebp) // push ptr to argument block
calll *12(%ebp)
movl %ebp,%esp // would like to use "leave" but it's slower
popl %ebp
ret
#if defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__)
.cfi_endproc
#endif
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