*/ \r
\r
#include "win32_ucontext.h"\r
+\r
int getcontext(ucontext_t * ucp) \r
{\r
- \rint ret;\r
- \r\r
+ int ret;\r
+ \r
/* Retrieve the full machine context */ \r
ucp->uc_mcontext.ContextFlags = CONTEXT_FULL;\r
- \rret = GetThreadContext(GetCurrentThread(), &ucp->uc_mcontext);\r
- \rreturn (ret == 0) ? -1 : 0;\r
-\r}\r
+ ret = GetThreadContext(GetCurrentThread(), &ucp->uc_mcontext);\r
+ return (ret == 0) ? -1 : 0;\r
+}\r
\r
-\r\rint setcontext(const ucontext_t * ucp) \r
+int setcontext(const ucontext_t * ucp) \r
{\r
- \rint ret;\r
- \r\r
+ int ret;\r
+ \r
/* Restore the full machine context (already set) */ \r
ret = SetThreadContext(GetCurrentThread(), &ucp->uc_mcontext);\r
- \rreturn (ret == 0) ? -1 : 0;\r
-\r}\r
+ return (ret == 0) ? -1 : 0;\r
+}\r
\r
-\r\rint makecontext(ucontext_t * ucp, void (*func) (), int argc, ...) \r
+int makecontext(ucontext_t * ucp, void (*func) (), int argc, ...) \r
{\r
- \rint i;\r
- \rva_list ap;\r
- \rchar *sp;\r
- \r\r
- /* Stack grows down */ \r
+ int i;\r
+ va_list ap;\r
+ char *sp;\r
+\r
+ /* Stack grows down */\r
sp = (char *) (size_t) ucp->uc_stack.ss_sp + ucp->uc_stack.ss_size;\r
- \r\r
+ \r
/* Reserve stack space for the arguments (maximum possible: argc*(8 bytes per argument)) */ \r
- sp -= argc * 8;\r
- \rif (sp < (char *) ucp->uc_stack.ss_sp) {\r
- \r\r
+ sp -= argc * sizeof(void*);\r
+ if (sp < (char *) ucp->uc_stack.ss_sp) {\r
+ \r
/* errno = ENOMEM; */ \r
return -1;\r
- \r}\r
- \r\r
- /* Set the instruction and the stack pointer */ \r
- ucp->uc_mcontext.Eip = (unsigned long) func;\r
- \rucp->uc_mcontext.Esp = (unsigned long) sp - 4;\r
- \r\r
+ }\r
+ \r
+ /* Set the instruction and the stack pointer */\r
+ #ifdef I_X86_\r
+ ucp->uc_mcontext.Eip = (DWORD) func;\r
+ ucp->uc_mcontext.Esp = (DWORD) sp - sizeof(void*);\r
+ #endif\r
+ #ifdef _IA64_\r
+ # error "_IA64_"\r
+ #endif\r
+ #ifdef _AMD64_\r
+ ucp->uc_mcontext.Rip = (DWORD64) func;\r
+ ucp->uc_mcontext.Rsp = (DWORD64) sp - sizeof(void*);\r
+ #endif\r
+\r
/* Save/Restore the full machine context */ \r
ucp->uc_mcontext.ContextFlags = CONTEXT_FULL;\r
- \r\r
+ \r
/* Copy the arguments */ \r
va_start(ap, argc);\r
- \rfor (i = 0; i < argc; i++) {\r
- \rmemcpy(sp, ap, 8);\r
- \rap += 8;\r
- \rsp += 8;\r
- \r}\r
- \rva_end(ap);\r
- \rreturn 0;\r
-\r}\r
+ for (i = 0; i < argc; i++) {\r
+ memcpy(sp, ap, sizeof(void*));\r
+ ap += sizeof(void*);\r
+ sp += sizeof(void*);\r
+ }\r
+ va_end(ap);\r
+ return 0;\r
+}\r
\r
-\r\rint swapcontext(ucontext_t * oucp, const ucontext_t * ucp) \r
+int swapcontext(ucontext_t * oucp, const ucontext_t * ucp) \r
{\r
- \rint ret;\r
- \rif ((oucp == NULL) || (ucp == NULL)) {\r
- \r\r
+ int ret;\r
+ if ((oucp == NULL) || (ucp == NULL)) {\r
+ \r
/*errno = EINVAL; */ \r
return -1;\r
- \r}\r
- \rret = getcontext(oucp);\r
- \rif (ret == 0) {\r
- \rret = setcontext(ucp);\r
- \r}\r
- \rreturn ret;\r
-\r}\r
+ }\r
+ ret = getcontext(oucp);\r
+ if (ret == 0) {\r
+ ret = setcontext(ucp);\r
+ }\r
+ return ret;\r
+}\r
\r
-\r\r\r