X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/63a6adf1a95b8b369815d7b25ff4929fc285f981..5b811fdb6d7fae96fa9fe45612dee560a64f2af6:/src/xbt/win32_ucontext.c diff --git a/src/xbt/win32_ucontext.c b/src/xbt/win32_ucontext.c index 5dc89593f6..c91c39e426 100644 --- a/src/xbt/win32_ucontext.c +++ b/src/xbt/win32_ucontext.c @@ -21,6 +21,7 @@ */ #include "win32_ucontext.h" + int getcontext(ucontext_t * ucp) { int ret; @@ -45,31 +46,40 @@ int makecontext(ucontext_t * ucp, void (*func) (), int argc, ...) int i; va_list ap; char *sp; - - /* Stack grows down */ + + /* Stack grows down */ sp = (char *) (size_t) ucp->uc_stack.ss_sp + ucp->uc_stack.ss_size; /* Reserve stack space for the arguments (maximum possible: argc*(8 bytes per argument)) */ - sp -= argc * 8; + sp -= argc * sizeof(void*); if (sp < (char *) ucp->uc_stack.ss_sp) { /* errno = ENOMEM; */ return -1; } - /* Set the instruction and the stack pointer */ - ucp->uc_mcontext.Eip = (unsigned long) func; - ucp->uc_mcontext.Esp = (unsigned long) sp - 4; - + /* Set the instruction and the stack pointer */ + #ifdef I_X86_ + ucp->uc_mcontext.Eip = (DWORD) func; + ucp->uc_mcontext.Esp = (DWORD) sp - sizeof(void*); + #endif + #ifdef _IA64_ + # error "_IA64_" + #endif + #ifdef _AMD64_ + ucp->uc_mcontext.Rip = (DWORD64) func; + ucp->uc_mcontext.Rsp = (DWORD64) sp - sizeof(void*); + #endif + /* Save/Restore the full machine context */ ucp->uc_mcontext.ContextFlags = CONTEXT_FULL; /* Copy the arguments */ va_start(ap, argc); for (i = 0; i < argc; i++) { - memcpy(sp, ap, 8); - ap += 8; - sp += 8; + memcpy(sp, ap, sizeof(void*)); + ap += sizeof(void*); + sp += sizeof(void*); } va_end(ap); return 0;