diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S index 0ef0ad7e35..e0fd249615 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S @@ -280,23 +280,6 @@ ENTRY(__CONTEXT_FUNC_NAME) cmpwi r3,0 bne 3f /* L(error_exit) */ - /* - * If the new ucontext refers to the point where we were interrupted - * by a signal, we have to use the rt_sigreturn system call to - * return to the context so we get both LR and CTR restored. - * - * Otherwise, the context we are restoring is either just after - * a procedure call (getcontext/swapcontext) or at the beginning - * of a procedure call (makecontext), so we don't need to restore - * r0, xer, ctr. We don't restore r2 since it will be used as - * the TLS pointer. - */ - lwz r4,_FRAME_PARM_SAVE2(r1) - lwz r31,_UC_REGS_PTR(r4) - lwz r0,_UC_GREGS+(PT_MSR*4)(r31) - cmpwi r0,0 - bne 4f /* L(do_sigret) */ - #ifdef __CONTEXT_ENABLE_FPRS # ifdef __CONTEXT_ENABLE_VRS @@ -520,10 +503,4 @@ ENTRY(__CONTEXT_FUNC_NAME) mtlr r0 blr -4:/*L(do_sigret):*/ - addi r1,r4,-0xd0 - li r0,SYS_ify(rt_sigreturn) - sc - /* NOTREACHED */ - END(__CONTEXT_FUNC_NAME) |