diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc')
5 files changed, 67 insertions, 4 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fe_nomask.c b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fe_nomask.c index 16619cddd2..6a0a82c703 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fe_nomask.c +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fe_nomask.c @@ -26,8 +26,11 @@ const fenv_t * __fe_nomask_env (void) { +#ifdef __ASSUME_NEW_PRCTL_SYSCALL INTERNAL_SYSCALL_DECL (err); INTERNAL_SYSCALL (prctl, err, 2, PR_SET_FPEXC, PR_FP_EXC_PRECISE); - +#else + __set_errno (ENOSYS); +#endif return FE_ENABLED_ENV; } diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S index 59dfb82ef5..ddbf40b8d9 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S @@ -21,9 +21,11 @@ #define __ASSEMBLY__ #include <asm/ptrace.h> +#include <asm/errno.h> #include "ucontext_i.h" ENTRY(__getcontext) +#ifdef __ASSUME_NEW_RT_SIGRETURN_SYSCALL std r0,(SIGCONTEXT_GP_REGS+(PT_R0*8))(r3) std r1,(SIGCONTEXT_GP_REGS+(PT_R1*8))(r3) mflr r0 @@ -126,8 +128,18 @@ ENTRY(__getcontext) addi r5,r3,UCONTEXT_SIGMASK li r4,0 li r3,SIG_BLOCK - bl .sigprocmask + bl JUMPTARGET(sigprocmask) nop +#else + /* If the kernel is not at least 2.4.21 then generate a ENOSYS stub. */ + mflr r0 + std r0,FRAME_LR_SAVE(r1) + stdu r1,-128(r1) + li r3,ENOSYS + bl JUMPTARGET(__syscall_error) + nop + li r3,-1 +#endif ld r0,128+FRAME_LR_SAVE(r1) addi r1,r1,128 diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S index 29dd17ffe4..08ce90177b 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S @@ -22,8 +22,10 @@ #define __ASSEMBLY__ #include <asm/ptrace.h> #include "ucontext_i.h" +#include <asm/errno.h> ENTRY(__makecontext) +#ifdef __ASSUME_NEW_RT_SIGRETURN_SYSCALL /* Save parameters into the parameter save area of callers frame. */ std r3,FRAME_PARM1_SAVE(r1) /* ucontext_t *ucp */ std r4,FRAME_PARM2_SAVE(r1) /* void (*func)(void) */ @@ -156,6 +158,20 @@ L(gotexitcodeaddr): addi r1,r1,128 mtlr r0 blr +#else + /* If the kernel is not at least 2.4.21 then generate a ENOSYS stub. */ + mflr r0 + std r0,FRAME_LR_SAVE(r1) + stdu r1,-128(r1) + li r3,ENOSYS + bl JUMPTARGET(__syscall_error) + nop + li r3,-1 + ld r0,128+FRAME_LR_SAVE(r1) + addi r1,r1,128 + mtlr r0 + blr +#endif END(__makecontext) weak_alias(__makecontext, makecontext) diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S index d503cbbf3e..fa37abd6da 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S @@ -22,8 +22,10 @@ #define __ASSEMBLY__ #include <asm/ptrace.h> #include "ucontext_i.h" +#include <asm/errno.h> ENTRY(__setcontext) +#ifdef __ASSUME_NEW_RT_SIGRETURN_SYSCALL mflr r0 std r31,-8(1) std r0,FRAME_LR_SAVE(r1) @@ -47,7 +49,7 @@ ENTRY(__setcontext) li r5,0 addi r4,r3,UCONTEXT_SIGMASK li r3,SIG_SETMASK - bl .sigprocmask + bl JUMPTARGET(sigprocmask) nop cmpdi r3,0 bne L(error_exit) @@ -156,6 +158,20 @@ L(do_sigret): li r0,SYS_ify(rt_sigreturn) sc /* No return. */ +#else + /* If the kernel is not at least 2.4.21 then generate a ENOSYS stub. */ + mflr r0 + std r0,FRAME_LR_SAVE(r1) + stdu r1,-128(r1) + li r3,ENOSYS + bl JUMPTARGET(__syscall_error) + nop + li r3,-1 + ld r0,128+FRAME_LR_SAVE(r1) + addi r1,r1,128 + mtlr r0 + blr +#endif PSEUDO_END(__setcontext) diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S index 23422fb948..b1bcd44af1 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S @@ -22,8 +22,10 @@ #define __ASSEMBLY__ #include <asm/ptrace.h> #include "ucontext_i.h" +#include <asm/errno.h> ENTRY(__swapcontext) +#ifdef __ASSUME_NEW_RT_SIGRETURN_SYSCALL std r0,(SIGCONTEXT_GP_REGS+(PT_R0*8))(r3) std r1,(SIGCONTEXT_GP_REGS+(PT_R1*8))(r3) mflr r0 @@ -128,7 +130,7 @@ ENTRY(__swapcontext) addi r5,r3,UCONTEXT_SIGMASK addi r4,r4,UCONTEXT_SIGMASK li r3,SIG_SETMASK - bl .sigprocmask + bl JUMPTARGET(sigprocmask) nop cmpdi r3,0 bne L(error_exit) @@ -251,6 +253,20 @@ L(do_sigret): li r0,SYS_ify(rt_sigreturn) sc /* No return. */ +#else + /* If the kernel is not at least 2.4.21 then generate a ENOSYS stub. */ + mflr r0 + std r0,FRAME_LR_SAVE(r1) + stdu r1,-128(r1) + li r3,ENOSYS + bl JUMPTARGET(__syscall_error) + nop + li r3,-1 + ld r0,128+FRAME_LR_SAVE(r1) + addi r1,r1,128 + mtlr r0 + blr +#endif PSEUDO_END(__swapcontext) |