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| author | Waldemar Brodkorb <wbx@uclibc-ng.org> | 2016-10-31 18:05:44 +0100 |
|---|---|---|
| committer | Waldemar Brodkorb <wbx@uclibc-ng.org> | 2016-11-03 20:37:48 +0100 |
| commit | 191739597c6d380692885cfdd8dd8aa4f31f029d (patch) | |
| tree | b3f05ce72f7a87433905698dd58371048c904812 /libc/sysdeps/linux/microblaze/clone.S | |
| parent | 7825930078208462655e107677656c45014e91b4 (diff) | |
microblaze: add NPTL/TLS support from GNU libc
Not perfect, but a starting point.
Some tests of the test suite are failing.
Diffstat (limited to 'libc/sysdeps/linux/microblaze/clone.S')
| -rw-r--r-- | libc/sysdeps/linux/microblaze/clone.S | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/libc/sysdeps/linux/microblaze/clone.S b/libc/sysdeps/linux/microblaze/clone.S index 46d4fe6b4..69c20453f 100644 --- a/libc/sysdeps/linux/microblaze/clone.S +++ b/libc/sysdeps/linux/microblaze/clone.S @@ -23,6 +23,10 @@ #define _ERRNO_H 1 #include <bits/errno.h> +#if defined __UCLIBC_HAS_THREADS__ && !defined __UCLIBC_HAS_LINUXTHREADS__ +#include <sysdep-cancel.h> +#endif + /* int clone (int (*fn)(void *arg), void *child_stack, int flags, void *arg, pid_t *ptid, struct user_desc *tls, pid_t *ctid); @@ -39,8 +43,8 @@ .text ENTRY (__clone) addik r3,r0,-EINVAL - beqi r5,1f ; // Invalid func - beqi r6,1f ; // Invalid stack + beqi r5,SYSCALL_ERROR_LABEL ; // Invalid func + beqi r6,SYSCALL_ERROR_LABEL ; // Invalid stack addik r6,r6,-8 swi r5,r6,0 ; // Push fn onto child's stack swi r8,r6,4 ; // Push arg for child @@ -53,7 +57,7 @@ ENTRY (__clone) addk r0,r0,r0 addik r4,r0,-4095 cmpu r4,r4,r3 - bgei r4,1f + bgei r4,SYSCALL_ERROR_LABEL beqi r3,L(thread_start) rtsd r15,8 nop @@ -67,12 +71,7 @@ L(thread_start): addik r12,r0,SYS_ify(exit) brki r14,8 nop - -1: rsubk r3,r3,r0 - rtsd r15,8 - addik r3,r0,-1 /* delay slot. */ - -END(__clone) +PSEUDO_END(__clone) libc_hidden_def (__clone) weak_alias (__clone,clone) |