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/cvs/libcoro/coro.c
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Comparing libcoro/coro.c (file contents):
Revision 1.30 by root, Fri Apr 4 20:07:35 2008 UTC vs.
Revision 1.32 by root, Wed Jul 16 00:47:05 2008 UTC

43#if !defined(STACK_ADJUST_PTR) 43#if !defined(STACK_ADJUST_PTR)
44/* IRIX is decidedly NON-unix */ 44/* IRIX is decidedly NON-unix */
45# if __sgi 45# if __sgi
46# define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss) - 8) 46# define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss) - 8)
47# define STACK_ADJUST_SIZE(sp,ss) ((ss) - 8) 47# define STACK_ADJUST_SIZE(sp,ss) ((ss) - 8)
48# elif __i386__ && CORO_LINUX 48# elif (__i386__ && CORO_LINUX) || (_M_IX86 && CORO_LOSER)
49# define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss)) 49# define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss))
50# define STACK_ADJUST_SIZE(sp,ss) (ss) 50# define STACK_ADJUST_SIZE(sp,ss) (ss)
51# elif __amd64__ && CORO_LINUX 51# elif (__amd64__ && CORO_LINUX) || ((_M_AMD64 || _M_IA64) && CORO_LOSER)
52# define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss) - 8) 52# define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss) - 8)
53# define STACK_ADJUST_SIZE(sp,ss) (ss) 53# define STACK_ADJUST_SIZE(sp,ss) (ss)
54# else 54# else
55# define STACK_ADJUST_PTR(sp,ss) (sp) 55# define STACK_ADJUST_PTR(sp,ss) (sp)
56# define STACK_ADJUST_SIZE(sp,ss) (ss) 56# define STACK_ADJUST_SIZE(sp,ss) (ss)
120# endif 120# endif
121 121
122#endif 122#endif
123 123
124#if CORO_ASM 124#if CORO_ASM
125void __attribute__((__noinline__, __fastcall__)) 125void __attribute__((__noinline__, __regparm__(2)))
126coro_transfer (struct coro_context *prev, struct coro_context *next) 126coro_transfer (struct coro_context *prev, struct coro_context *next)
127{ 127{
128 asm volatile ( 128 asm volatile (
129#if __amd64 129#if __amd64
130# define NUM_CLOBBERED 5 130# define NUM_SAVED 5
131 "push %%rbx\n\t" 131 "push %%rbx\n\t"
132 "push %%r12\n\t" 132 "push %%r12\n\t"
133 "push %%r13\n\t" 133 "push %%r13\n\t"
134 "push %%r14\n\t" 134 "push %%r14\n\t"
135 "push %%r15\n\t" 135 "push %%r15\n\t"
139 "pop %%r14\n\t" 139 "pop %%r14\n\t"
140 "pop %%r13\n\t" 140 "pop %%r13\n\t"
141 "pop %%r12\n\t" 141 "pop %%r12\n\t"
142 "pop %%rbx\n\t" 142 "pop %%rbx\n\t"
143#elif __i386 143#elif __i386
144# define NUM_CLOBBERED 4 144# define NUM_SAVED 4
145 "push %%ebx\n\t" 145 "push %%ebx\n\t"
146 "push %%esi\n\t" 146 "push %%esi\n\t"
147 "push %%edi\n\t" 147 "push %%edi\n\t"
148 "push %%ebp\n\t" 148 "push %%ebp\n\t"
149 "mov %%esp, %0\n\t" 149 "mov %%esp, %0\n\t"
285#if __CYGWIN__ 285#if __CYGWIN__
286 ctx->env[7] = (long)((char *)sptr + ssize); 286 ctx->env[7] = (long)((char *)sptr + ssize);
287 ctx->env[8] = (long)coro_init; 287 ctx->env[8] = (long)coro_init;
288#elif defined(_M_IX86) 288#elif defined(_M_IX86)
289 ((_JUMP_BUFFER *)&ctx->env)->Eip = (long)coro_init; 289 ((_JUMP_BUFFER *)&ctx->env)->Eip = (long)coro_init;
290 ((_JUMP_BUFFER *)&ctx->env)->Esp = (long)STACK_ADJUST_PTR (sptr,ssize); 290 ((_JUMP_BUFFER *)&ctx->env)->Esp = (long)STACK_ADJUST_PTR (sptr, ssize);
291#elif defined(_M_AMD64) 291#elif defined(_M_AMD64)
292 ((_JUMP_BUFFER *)&ctx->env)->Rip = (__int64)coro_init; 292 ((_JUMP_BUFFER *)&ctx->env)->Rip = (__int64)coro_init;
293 ((_JUMP_BUFFER *)&ctx->env)->Rsp = (__int64)STACK_ADJUST_PTR (sptr,ssize); 293 ((_JUMP_BUFFER *)&ctx->env)->Rsp = (__int64)STACK_ADJUST_PTR (sptr, ssize);
294#elif defined(_M_IA64) 294#elif defined(_M_IA64)
295 ((_JUMP_BUFFER *)&ctx->env)->StIIP = (__int64)coro_init; 295 ((_JUMP_BUFFER *)&ctx->env)->StIIP = (__int64)coro_init;
296 ((_JUMP_BUFFER *)&ctx->env)->IntSp = (__int64)STACK_ADJUST_PTR (sptr,ssize); 296 ((_JUMP_BUFFER *)&ctx->env)->IntSp = (__int64)STACK_ADJUST_PTR (sptr, ssize);
297#else 297#else
298# error "microsoft libc or architecture not supported" 298# error "microsoft libc or architecture not supported"
299#endif 299#endif
300 300
301# elif CORO_LINUX 301# elif CORO_LINUX
326# elif CORO_ASM 326# elif CORO_ASM
327 327
328 ctx->sp = (volatile void **)(ssize + (char *)sptr); 328 ctx->sp = (volatile void **)(ssize + (char *)sptr);
329 *--ctx->sp = (void *)coro_init; 329 *--ctx->sp = (void *)coro_init;
330 *--ctx->sp = (void *)coro_init; // this is needed when the prologue saves ebp 330 *--ctx->sp = (void *)coro_init; // this is needed when the prologue saves ebp
331 ctx->sp -= NUM_CLOBBERED; 331 ctx->sp -= NUM_SAVED;
332 332
333# endif 333# endif
334 334
335 coro_transfer ((coro_context *)create_coro, (coro_context *)new_coro); 335 coro_transfer ((coro_context *)create_coro, (coro_context *)new_coro);
336 336

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