Updated to fedora-glibc-20060306T0720

5 files changed, 91 insertions, 159 deletions

diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S b/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S
index 95106d149f..f91fc4f629 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S
@@ -24,6 +24,7 @@
 #include <asm/errno.h>
 #include <asm/unistd.h>
 #include <tcb-offsets.h>
+#include <sysdep.h>
 
 #define CLONE_VM	0x00000100
 #define CLONE_THREAD	0x00010000
@@ -32,12 +33,11 @@
 	     pid_t *ptid, void *tls, pid_t *ctid); */
 
 	.text
-	.align	4
-	.globl	__clone
-	.type	__clone,@function
-
-__clone:
+ENTRY (__clone)
 	save	%sp,-96,%sp
+	cfi_def_cfa_register(%fp)
+	cfi_window_save
+	cfi_register(%o7, %i7)
 
 	/* sanity check arguments */
 	orcc	%i0,%g0,%g2
@@ -67,21 +67,21 @@ __clone:
 	 tst	%o1
 	bne	__thread_start
 	 nop
-	ret
+	jmpl	%i7 + 8, %g0
 	 restore %o0,%g0,%o0
 
 .Lerror:
 	call	__errno_location
 	 or	%g0,EINVAL,%i0
 	st	%i0,[%o0]
-	ret
+	jmpl	%i7 + 8, %g0
 	 restore %g0,-1,%o0
-
-	.size	__clone, .-__clone
+END(__clone)
 
 	.type	__thread_start,@function
-
 __thread_start:
+	cfi_startproc
+
 #ifdef RESET_PID
 	sethi	%hi(CLONE_THREAD), %l0
 	andcc	%g4, %l0, %g0
@@ -102,6 +102,8 @@ __thread_start:
 	call	_exit,0
 	 nop
 
+	cfi_endproc
+
 	.size	__thread_start, .-__thread_start
 
 weak_alias (__clone, clone)
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/pipe.S b/sysdeps/unix/sysv/linux/sparc/sparc32/pipe.S
index 27ea9f8912..dbe0872616 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/pipe.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/pipe.S
@@ -19,20 +19,22 @@
 
 #include <sysdep.h>
 
-	.globl __libc_pipe
-ENTRY (__libc_pipe)
-        mov %o0, %o2            /* Save PIPEDES. */
-	mov SYS_ify(pipe),%g1
-	ta 0x10
-	bcs __syscall_error_handler
-	 nop
-	st %o0, [%o2]           /* PIPEDES[0] = %o0; */
-        st %o1, [%o2 + 4]       /* PIPEDES[1] = %o1; */
+	.text
+	.globl		__syscall_error
+ENTRY(__libc_pipe)
+        mov	%o0, %o2            /* Save PIPEDES. */
+	mov	SYS_ify(pipe),%g1
+	ta	0x10
+	bcc	1f
+	 mov	%o7, %g1
+	call	__syscall_error
+	 mov	%g1, %o7
+1:	st	%o0, [%o2]           /* PIPEDES[0] = %o0; */
+        st	%o1, [%o2 + 4]       /* PIPEDES[1] = %o1; */
 	retl
-	 clr %o0
-	SYSCALL_ERROR_HANDLER
+	 clr	%o0
+END(__libc_pipe)
 
-PSEUDO_END (__libc_pipe)
 weak_alias (__libc_pipe, __pipe)
 libc_hidden_def (__pipe)
 weak_alias (__libc_pipe, pipe)
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/socket.S b/sysdeps/unix/sysv/linux/sparc/sparc32/socket.S
index 911d5c6b39..71a63d5b79 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/socket.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/socket.S
@@ -47,7 +47,7 @@
 # endif
 #endif
 
-.globl __socket
+	.globl		__syscall_error
 ENTRY (__socket)
 
 	/* Drop up to 6 arguments (recvfrom) into the memory allocated by
@@ -76,18 +76,19 @@ ENTRY (__socket)
 	add %sp, 68, %o1		/* arg 2: parameter block */
 	LOADSYSCALL(socketcall)
 	t 0x10
-        bcs __syscall_error_handler
-	 nop
-	retl
+	bcc 1f
+	 mov %o7, %g1
+	call __syscall_error
+	 mov %g1, %o7
+1:	jmpl %o7 + 8, %g0
 	 nop
 
 #if defined NEED_CANCELLATION && defined CENABLE
 .Lsocket_cancel:
-	cfi_startproc
 	save %sp, -96, %sp
-	cfi_def_cfa_register (%fp)
+	cfi_def_cfa_register(%fp)
 	cfi_window_save
-	cfi_register (%o7, %i7)
+	cfi_register(%o7, %i7)
 	CENABLE
 	 nop
 	mov %o0, %l0
@@ -95,18 +96,20 @@ ENTRY (__socket)
 	mov P(SOCKOP_,socket), %o0
 	LOADSYSCALL(socketcall)
 	t 0x10
-	bcs __syscall_error_handler2
+	bcc 1f
 	 mov %o0, %l1
-	CDISABLE
+	CDISABLE;
+	 mov %l0, %o0;
+	call __syscall_error;
+	 mov %l1, %o0;
+	b 1f
+	 mov -1, %l1;
+1:	CDISABLE
 	 mov %l0, %o0
-	jmpl %i7 + 8, %g0
+2:	jmpl %i7 + 8, %g0
 	 restore %g0, %l1, %o0
-	cfi_endproc
-	SYSCALL_ERROR_HANDLER2
 #endif
 
-	SYSCALL_ERROR_HANDLER
-
 END (__socket)
 
 #ifndef NO_WEAK_ALIAS
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/syscall.S b/sysdeps/unix/sysv/linux/sparc/sparc32/syscall.S
index 3b135c8e86..1610745524 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/syscall.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/syscall.S
@@ -17,8 +17,10 @@
    02111-1307 USA.  */
 
 #include <sysdep.h>
+
 	.text
-ENTRY (syscall)
+	.globl	__syscall_error
+ENTRY(syscall)
 	mov	%o0, %g1
 	mov	%o1, %o0
 	mov	%o2, %o1
@@ -26,10 +28,10 @@ ENTRY (syscall)
 	mov	%o4, %o3
 	mov	%o5, %o4
 	ta	0x10
-	bcs	__syscall_error_handler
-	 nop
-	retl
+	bcc	1f
+	 mov	%o7, %g1
+	call	__syscall_error
+	 mov	%g1, %o7
+1:	retl
 	 nop
-	SYSCALL_ERROR_HANDLER
-
-PSEUDO_END (syscall)
+END(syscall)
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h b/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
index 45f5c44d5d..c808a97fc5 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
@@ -38,131 +38,54 @@
 #undef PSEUDO
 #undef PSEUDO_NOERRNO
 #undef PSEUDO_ERRVAL
+#undef PSEUDO_END
 #undef ENTRY
 #undef END
 #undef LOC
 
-#define ENTRY(name) \
-	.global C_SYMBOL_NAME(name); \
-	.align 4;\
-	C_LABEL(name);\
-	.type name,@function;
+#define ENTRY(name)			\
+	.align	4;			\
+	.global	C_SYMBOL_NAME(name);	\
+	.type	name, @function;	\
+C_LABEL(name)				\
+	cfi_startproc;
 
-#define END(name) \
+#define END(name)			\
+	cfi_endproc;			\
 	.size name, . - name
 
 #define LOC(name)  .L##name
 
-#ifdef LINKER_HANDLES_R_SPARC_WDISP22
-/* Unfortunately, we cannot do this yet.  Linker doesn't seem to
-   handle R_SPARC_WDISP22 against non-STB_LOCAL symbols properly .  */
-# define SYSCALL_ERROR_HANDLER_ENTRY(handler)				\
-	.section .gnu.linkonce.t.handler,"ax",@progbits;		\
-	.globl handler;							\
-	.hidden handler;						\
-	.type handler,@function;					\
-handler:
-#else
-# define SYSCALL_ERROR_HANDLER_ENTRY(handler)				\
-	.subsection 3;							\
-handler:
-#endif
-
-#if RTLD_PRIVATE_ERRNO
-# 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	%hi(_GLOBAL_OFFSET_TABLE_-4), %l7;			\
-	call	__sparc_get_pic_l7;					\
-	 add	%l7, %lo(_GLOBAL_OFFSET_TABLE_+4), %l7;			\
-	ld	[%l7 + rtld_errno], %l0;				\
-	st	%i0, [%l0];						\
-	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)			\
-	.global __errno_location;					\
-        .type   __errno_location,@function;				\
-	save   %sp, -96, %sp;						\
-	call   __errno_location;					\
-	 nop;								\
-	st	%i0, [%o0];						\
-	jmpl	%i7+8, %g0;						\
-	 restore %g0, -1, %o0;						\
-	.previous;
-#endif
-
-#define PSEUDO(name, syscall_name, args)			\
-	.text;							\
-	ENTRY(name);						\
-	LOADSYSCALL(syscall_name);				\
-	ta 0x10;						\
-	bcs __syscall_error_handler;				\
-	 nop;							\
-	SYSCALL_ERROR_HANDLER
-
-#define PSEUDO_NOERRNO(name, syscall_name, args)		\
-	.text;							\
-	ENTRY(name);						\
-	LOADSYSCALL(syscall_name);				\
-	ta 0x10
-
-#define PSEUDO_ERRVAL(name, syscall_name, args)			\
-	.text;							\
-	ENTRY(name);						\
-	LOADSYSCALL(syscall_name);				\
-	ta 0x10
+	/* If the offset to __syscall_error fits into a signed 22-bit
+	 * immediate branch offset, the linker will relax the call into
+	 * a normal branch.
+	 */
+#define PSEUDO(name, syscall_name, args)	\
+	.text;					\
+	.globl		__syscall_error;	\
+ENTRY(name);					\
+	LOADSYSCALL(syscall_name);		\
+	ta		0x10;			\
+	bcc		1f;			\
+	 mov		%o7, %g1;		\
+	call		__syscall_error;	\
+	 mov		%g1, %o7;		\
+1:
+
+#define PSEUDO_NOERRNO(name, syscall_name, args)\
+	.text;					\
+ENTRY(name);					\
+	LOADSYSCALL(syscall_name);		\
+	ta		0x10;
+
+#define PSEUDO_ERRVAL(name, syscall_name, args)	\
+	.text;					\
+ENTRY(name);					\
+	LOADSYSCALL(syscall_name);		\
+	ta		0x10;
+
+#define PSEUDO_END(name)			\
+	END(name)
 
 #else  /* __ASSEMBLER__ */