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--- | |
commit 8712d1a38e87e8f51257a80246f51d075aae7f5b | |
parent 229086e79014909293b56271b529ed97e700932e | |
Author: rsc <devnull@localhost> | |
Date: Thu, 16 Feb 2006 06:18:19 +0000 | |
more | |
Diffstat: | |
M src/libthread/Linux-sparc64-swapco… | 10 ++++++---- | |
1 file changed, 6 insertions(+), 4 deletions(-) | |
--- | |
diff --git a/src/libthread/Linux-sparc64-swapcontext.c b/src/libthread/Linux-sp… | |
t@@ -19,18 +19,21 @@ | |
#include <ucontext.h> | |
+#define UC_M_PC 40 | |
+#define UC_M_NPC 48 | |
+ | |
extern int __getcontext (ucontext_t *ucp); | |
extern int __setcontext (const ucontext_t *ucp, int restoremask); | |
int | |
-__swapcontext (ucontext_t *oucp, const ucontext_t *ucp) | |
+swapcontext (ucontext_t *oucp, const ucontext_t *ucp) | |
{ | |
extern void __swapcontext_ret (void); | |
/* Save the current machine context to oucp. */ | |
__getcontext (oucp); | |
/* Modify oucp to skip the __setcontext call on reactivation. */ | |
- oucp->uc_mcontext.mc_gregs[MC_PC] = (long) __swapcontext_ret; | |
- oucp->uc_mcontext.mc_gregs[MC_NPC] = ((long) __swapcontext_ret) + 4; | |
+ *(long*)((char*)oucp+UC_M_PC) = (long)__swapcontext_ret; | |
+ *(long*)((char*)oucp+UC_M_NPC) = (long)__swapcontext_ret + 4; | |
/* Restore the machine context in ucp. */ | |
__setcontext (ucp, 1); | |
return 0; | |
t@@ -45,4 +48,3 @@ __swapcontext_ret: \n\ | |
.size __swapcontext_ret, .-__swapcontext_ret \n\ | |
"); | |
-weak_alias (__swapcontext, swapcontext) |