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rt: Remove unused context functions

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This commit is contained in:
Brian Anderson 2012-02-08 15:12:28 -08:00
parent b778dac197
commit 2983e77383
2 changed files with 0 additions and 28 deletions
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14
src/rt/arch/i386/context.h
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@ -41,20 +41,6 @@ public:
void swap(context &out);
void call(void *f, void *arg, void *sp);
void call(void *f, void *sp);
// Note that this doesn't actually adjust esp. Instead, we adjust esp when
// we actually do the call. This is needed for exception safety -- if the
// function being called causes the task to fail, then we have to avoid
// leaking space on the C stack.
inline void *alloc_stack(size_t nbytes) {
uint32_t bot = regs.esp;
uint32_t top = align_down(bot - nbytes);
(void)VALGRIND_MAKE_MEM_UNDEFINED(top - 4, bot - top + 4);
return reinterpret_cast<void *>(top);
}
void call_shim_on_c_stack(void *args, void *fn_ptr) {
__morestack(args, fn_ptr, regs.esp);

14
src/rt/arch/x86_64/context.h
View file

@ -40,20 +40,6 @@ public:
void swap(context &out);
void call(void *f, void *arg, void *sp);
void call(void *f, void *sp);
// Note that this doesn't actually adjust esp. Instead, we adjust esp when
// we actually do the call. This is needed for exception safety -- if the
// function being called causes the task to fail, then we have to avoid
// leaking space on the C stack.
inline void *alloc_stack(size_t nbytes) {
uint64_t bot = regs.data[RUSTRT_RSP];
uint64_t top = align_down(bot - nbytes);
(void)VALGRIND_MAKE_MEM_UNDEFINED(top - 4, bot - top + 4);
return reinterpret_cast<void *>(top);
}
void call_shim_on_c_stack(void *args, void *fn_ptr) {
__morestack(args, fn_ptr, regs.data[RUSTRT_RSP]);