diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux')
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/makecontext.c | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/sysdeps/unix/sysv/linux/x86_64/makecontext.c b/sysdeps/unix/sysv/linux/x86_64/makecontext.c index 860925f46d..54730312ad 100644 --- a/sysdeps/unix/sysv/linux/x86_64/makecontext.c +++ b/sysdeps/unix/sysv/linux/x86_64/makecontext.c @@ -52,29 +52,30 @@ void __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. @@ -90,26 +91,26 @@ __makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...) 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); |