2012-03-16 H.J. Lu <hongjiu.lu@intel.com>
+ * sysdeps/unix/sysv/linux/x86_64/makecontext.c (__makecontext):
+ Use greg_t on sp. Use unsigned int on idx_uc_link. Cast
+ adresses to uintptr_t. Replace "long int" and "unsigned long
+ int" with "greg_t" on va_arg.
+
+2012-03-16 H.J. Lu <hongjiu.lu@intel.com>
+
* sysdeps/generic/ldconfig.h (FLAG_X8664_LIBX32): New macro.
* elf/cache.c (print_entry): Handle FLAG_X8664_LIBX32.
__makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...)
{
extern void __start_context (void);
- unsigned long int *sp, idx_uc_link;
+ greg_t *sp;
+ unsigned int idx_uc_link;
va_list ap;
int i;
/* Generate room on stack for parameter if needed and uc_link. */
- sp = (unsigned long int *) ((uintptr_t) ucp->uc_stack.ss_sp
- + ucp->uc_stack.ss_size);
+ sp = (greg_t *) ((uintptr_t) ucp->uc_stack.ss_sp
+ + ucp->uc_stack.ss_size);
sp -= (argc > 6 ? argc - 6 : 0) + 1;
/* Align stack and make space for trampoline address. */
- sp = (unsigned long int *) ((((uintptr_t) sp) & -16L) - 8);
+ sp = (greg_t *) ((((uintptr_t) sp) & -16L) - 8);
idx_uc_link = (argc > 6 ? argc - 6 : 0) + 1;
/* Setup context ucp. */
/* Address to jump to. */
- ucp->uc_mcontext.gregs[REG_RIP] = (long int) func;
+ ucp->uc_mcontext.gregs[REG_RIP] = (uintptr_t) func;
/* Setup rbx.*/
- ucp->uc_mcontext.gregs[REG_RBX] = (long int) &sp[idx_uc_link];
- ucp->uc_mcontext.gregs[REG_RSP] = (long int) sp;
+ ucp->uc_mcontext.gregs[REG_RBX] = (uintptr_t) &sp[idx_uc_link];
+ ucp->uc_mcontext.gregs[REG_RSP] = (uintptr_t) sp;
/* Setup stack. */
- sp[0] = (unsigned long int) &__start_context;
- sp[idx_uc_link] = (unsigned long int) ucp->uc_link;
+ sp[0] = (uintptr_t) &__start_context;
+ sp[idx_uc_link] = (uintptr_t) ucp->uc_link;
va_start (ap, argc);
/* Handle arguments.
switch (i)
{
case 0:
- ucp->uc_mcontext.gregs[REG_RDI] = va_arg (ap, long int);
+ ucp->uc_mcontext.gregs[REG_RDI] = va_arg (ap, greg_t);
break;
case 1:
- ucp->uc_mcontext.gregs[REG_RSI] = va_arg (ap, long int);
+ ucp->uc_mcontext.gregs[REG_RSI] = va_arg (ap, greg_t);
break;
case 2:
- ucp->uc_mcontext.gregs[REG_RDX] = va_arg (ap, long int);
+ ucp->uc_mcontext.gregs[REG_RDX] = va_arg (ap, greg_t);
break;
case 3:
- ucp->uc_mcontext.gregs[REG_RCX] = va_arg (ap, long int);
+ ucp->uc_mcontext.gregs[REG_RCX] = va_arg (ap, greg_t);
break;
case 4:
- ucp->uc_mcontext.gregs[REG_R8] = va_arg (ap, long int);
+ ucp->uc_mcontext.gregs[REG_R8] = va_arg (ap, greg_t);
break;
case 5:
- ucp->uc_mcontext.gregs[REG_R9] = va_arg (ap, long int);
+ ucp->uc_mcontext.gregs[REG_R9] = va_arg (ap, greg_t);
break;
default:
/* Put value on stack. */
- sp[i - 5] = va_arg (ap, unsigned long int);
+ sp[i - 5] = va_arg (ap, greg_t);
break;
}
va_end (ap);