diff options
| author | Waldemar Brodkorb <wbx@openadk.org> | 2017-01-22 10:24:51 +0100 |
|---|---|---|
| committer | Waldemar Brodkorb <wbx@openadk.org> | 2017-01-28 10:31:19 +0100 |
| commit | bddde5860ffb8a78587854cc8e3e914bd69269ca (patch) | |
| tree | d37c90a9ca983fb8be614844343ba2941927f88a /libc/sysdeps/linux/metag | |
| parent | 30adfbeb8843c28869cc6ee33d7c556721cb241a (diff) | |
remove PID caching
Follow GNU C Library from c579f48edba88380635ab98cb612030e3ed8691e
and remove the PID caching. These simplifies the architecture specific
assembly code.
The run of the test suite found no regressions, it even solves
some of the test failures for x86/x86_64/sparc.
Reviewed-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Acked-by: Matthew Fortune <Matthew.Fortune@imgtec.com>
Acked-by: Alexey Brodkin <Alexey.Brodkin@synopsys.com>
Diffstat (limited to 'libc/sysdeps/linux/metag')
| -rw-r--r-- | libc/sysdeps/linux/metag/clone.S | 21 | ||||
| -rw-r--r-- | libc/sysdeps/linux/metag/vfork.S | 12 |
2 files changed, 0 insertions, 33 deletions
diff --git a/libc/sysdeps/linux/metag/clone.S b/libc/sysdeps/linux/metag/clone.S index d9d836338..4687cbc0f 100644 --- a/libc/sysdeps/linux/metag/clone.S +++ b/libc/sysdeps/linux/metag/clone.S @@ -52,27 +52,6 @@ __clone: ! BRKPNT ! We are the child -#ifdef RESET_PID - SETL [A0StP++], D0FrT, D1RtP - MOVT D0FrT, #HI(CLONE_THREAD) - ADD D0FrT, D0FrT, #LO(CLONE_THREAD) - ANDS D0FrT, D0FrT, D1Ar1 - BNZ 3f - MOVT D0FrT, #HI(CLONE_VM) - ADD D0FrT, D0FrT, #LO(CLONE_VM) - ANDS D0FrT, D0FrT, D1Ar1 - BZ 1f - MOV D1Ar1, #-1 - BA 2f -1: MOV D1Re0, #__NR_getpid - SWITCH #0x440001 - MOV D1Ar1, D0Re0 -2: CALLR D1RtP, __CLONE_METAG_LOAD_TP - SUB D0Re0, D0Re0, #TLS_PRE_TCB_SIZE - SETD [D0Re0 + #PID], D1Ar1 - SETD [D0Re0 + #TID], D1Ar1 -3: GETL D0FrT, D1RtP, [--A0StP] -#endif ! Rearrange the function arg and call address from registers MOV D0Ar2, D0FrT MOV D1Ar1, D0Ar6 diff --git a/libc/sysdeps/linux/metag/vfork.S b/libc/sysdeps/linux/metag/vfork.S index 8573dedd3..5e2fc8808 100644 --- a/libc/sysdeps/linux/metag/vfork.S +++ b/libc/sysdeps/linux/metag/vfork.S @@ -8,14 +8,6 @@ #include <bits/errno.h> #include <sys/syscall.h> -#ifndef SAVE_PID -#define SAVE_PID -#endif - -#ifndef RESTORE_PID -#define RESTORE_PID -#endif - #ifdef __NR_vfork #define __VFORK_NR __NR_vfork #else @@ -33,8 +25,6 @@ .type ___vfork, @function ___vfork: - SAVE_PID - MOV D1Ar1, #0x4111 /* CLONE_VM | CLONE_VFORK | SIGCHLD */ MOV D0Ar2, #0 MOV D1Ar3, #0 @@ -44,8 +34,6 @@ ___vfork: MOV D1Re0, #__NR_clone SWITCH #0x440001 - RESTORE_PID - MOVT D1Re0, #HI(-4096) ADD D1Re0, D1Re0, #LO(-4096) CMP D1Re0, D0Re0 |