cosmopolitan/libc/nexgen32e/trampoline.h
Justine Tunney fa20edc44d
Reduce header complexity
- Remove most __ASSEMBLER__ __LINKER__ ifdefs
- Rename libc/intrin/bits.h to libc/serialize.h
- Block pthread cancelation in fchmodat() polyfill
- Remove `clang-format off` statements in third_party
2023-11-28 14:39:42 -08:00

19 lines
642 B
C

#ifndef COSMOPOLITAN_LIBC_NEXGEN32E_TRAMPOLINE_H_
#define COSMOPOLITAN_LIBC_NEXGEN32E_TRAMPOLINE_H_
#define TRAMPOLINE(FUNCTION, THUNK) \
({ \
typeof(FUNCTION) *Tramp; \
asm(".section .text.trampoline\n" \
"183:\n\t" \
"mov\t%1,%%eax\n\t" \
"jmp\t" #THUNK "\n\t" \
".previous\n\t" \
"mov\t$183b,%k0" \
: "=r"(Tramp) \
: "i"(FUNCTION)); \
Tramp; \
})
#endif /* COSMOPOLITAN_LIBC_NEXGEN32E_TRAMPOLINE_H_ */