[PATCH] Use TLS errno in sparc32/sysdep.h
Jakub Jelinek
jakub@redhat.com
Sat Aug 16 12:55:00 GMT 2003
Hi!
2003-08-16 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
(SYSCALL_ERROR_HANDLER): Use TLS errno/__libc_errno if USE___THREAD.
--- libc/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h.jj 2003-03-23 14:42:23.000000000 -0500
+++ libc/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h 2003-08-16 05:20:47.000000000 -0400
@@ -25,6 +25,7 @@
#ifdef IS_IN_rtld
# include <dl-sysdep.h> /* Defines RTLD_PRIVATE_ERRNO. */
#endif
+#include <tls.h>
#undef SYS_ify
#define SYS_ify(syscall_name) __NR_##syscall_name
@@ -86,6 +87,47 @@ SYSCALL_ERROR_HANDLER_ENTRY(__syscall_er
jmpl %i7+8, %g0; \
restore %g0, -1, %o0; \
.previous;
+#elif USE___THREAD
+# ifndef NOT_IN_libc
+# define SYSCALL_ERROR_ERRNO __libc_errno
+# else
+# define SYSCALL_ERROR_ERRNO errno
+# endif
+# ifdef SHARED
+# define SYSCALL_ERROR_HANDLER \
+ .section .gnu.linkonce.t.__sparc.get_pic.l7,"ax",@progbits; \
+ .globl __sparc.get_pic.l7; \
+ .hidden __sparc.get_pic.l7; \
+ .type __sparc.get_pic.l7,@function; \
+__sparc.get_pic.l7: \
+ retl; \
+ add %o7, %l7, %l7; \
+ .previous; \
+SYSCALL_ERROR_HANDLER_ENTRY(__syscall_error_handler) \
+ save %sp,-96,%sp; \
+ sethi %tie_hi22(SYSCALL_ERROR_ERRNO), %l1; \
+ sethi %hi(_GLOBAL_OFFSET_TABLE_-4), %l7; \
+ call __sparc.get_pic.l7; \
+ add %l7, %lo(_GLOBAL_OFFSET_TABLE_+4), %l7; \
+ add %l1, %tie_lo10(SYSCALL_ERROR_ERRNO), %l1; \
+ ld [%l7 + %l1], %l1, %tie_ld(SYSCALL_ERROR_ERRNO); \
+ st %i0, [%g7 + %l1], %tie_add(SYSCALL_ERROR_ERRNO); \
+ jmpl %i7+8, %g0; \
+ restore %g0, -1, %o0; \
+ .previous;
+# else
+# define SYSCALL_ERROR_HANDLER \
+SYSCALL_ERROR_HANDLER_ENTRY(__syscall_error_handler) \
+ sethi %tie_hi22(SYSCALL_ERROR_ERRNO), %g1; \
+ sethi %hi(_GLOBAL_OFFSET_TABLE_), %g2; \
+ add %g1, %tie_lo10(SYSCALL_ERROR_ERRNO), %g1; \
+ add %g2, %lo(_GLOBAL_OFFSET_TABLE_), %g2; \
+ ld [%g2 + %g1], %g1, %tie_ld(SYSCALL_ERROR_ERRNO); \
+ st %o0, [%g7 + %g1], %tie_add(SYSCALL_ERROR_ERRNO); \
+ jmpl %o7+8, %g0; \
+ mov -1, %o0; \
+ .previous;
+# endif
#else
# define SYSCALL_ERROR_HANDLER \
SYSCALL_ERROR_HANDLER_ENTRY(__syscall_error_handler) \
Jakub
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