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authorRoland McGrath <roland@gnu.org>2006-03-06 01:34:09 +0000
committerRoland McGrath <roland@gnu.org>2006-03-06 01:34:09 +0000
commit043cee3700d01624d694d8e1afc76a666309f89c (patch)
treeaa2f8a2b421429ca84eba888fefd946df6e3d669 /sysdeps/unix/sysv/linux/sparc/sparc64
parenta26c855c73bf2329496f9b74535045c22c92a12d (diff)
* shlib-versions: Use sparc64.*- for CPU patterns.
Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc/sparc64')
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/brk.S8
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/clone.S20
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S16
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/setcontext.S7
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/setjmp.S3
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/socket.S31
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S17
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h176
8 files changed, 102 insertions, 176 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/brk.S b/sysdeps/unix/sysv/linux/sparc/sparc64/brk.S
index 1fabd11f71..134ce789f7 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/brk.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/brk.S
@@ -37,8 +37,11 @@ __curbrk: .skip 8
#endif
.text
-ENTRY(__brk)
+ENTRY (__brk)
save %sp, -192, %sp
+ cfi_def_cfa_register(%fp)
+ cfi_window_save
+ cfi_register(%o7, %i7)
#ifdef PIC
1: call 2f
sethi %hi(_GLOBAL_OFFSET_TABLE_-(1b-.)), %l7
@@ -90,7 +93,6 @@ ENTRY(__brk)
sub %g0, 1, %i0
jmpl %i7+8, %g0
restore
-
- .size __brk, .-__brk
+END (__brk)
weak_alias (__brk, brk)
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S b/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S
index 0e1025ff6a..ebfce9e2c5 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S
@@ -23,6 +23,7 @@
#include <asm/errno.h>
#include <asm/unistd.h>
#include <tcb-offsets.h>
+#include <sysdep.h>
#define CLONE_VM 0x00000100
#define CLONE_THREAD 0x00010000
@@ -34,12 +35,12 @@
.register %g3,#scratch
.text
- .align 4
- .globl __clone
- .type __clone,@function
-__clone:
+ENTRY (__clone)
save %sp, -192, %sp
+ cfi_def_cfa_register(%fp)
+ cfi_window_save
+ cfi_register(%o7, %i7)
/* sanity check arguments */
brz,pn %i0, 99f /* fn non-NULL? */
@@ -65,7 +66,7 @@ __clone:
nop
brnz,pn %o1, __thread_start
nop
- ret
+ jmpl %i7 + 8, %g0
restore %o0, %g0, %o0
99:
#ifndef _LIBC_REENTRANT
@@ -88,12 +89,13 @@ __clone:
nop
st %i0, [%o0]
#endif
- 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
@@ -112,6 +114,8 @@ __thread_start:
mov %g3,%o0
call _exit,0
nop
- .size __thread_start, .-__thread_start
+ cfi_endproc
+
+ .size __thread_start, .-__thread_start
weak_alias (__clone, clone)
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S b/sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S
index 5ccedff21a..14f244e628 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S
@@ -19,18 +19,22 @@
#include <sysdep.h>
-ENTRY (__libc_pipe)
+ .text
+
+ .globl __syscall_error
+ENTRY(__libc_pipe)
mov %o0, %o2 /* Save PIPEDES. */
LOADSYSCALL(pipe)
ta 0x6d
- bcs,pn %xcc, __syscall_error_handler
- nop
- st %o0, [%o2] /* PIPEDES[0] = %o0; */
+ bcc,pt %xcc, 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
-PSEUDO_END (__libc_pipe)
+END(__libc_pipe)
weak_alias (__libc_pipe, __pipe)
libc_hidden_def (__pipe)
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/setcontext.S b/sysdeps/unix/sysv/linux/sparc/sparc64/setcontext.S
index 4e0bc96d22..90d47c18fa 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/setcontext.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/setcontext.S
@@ -24,12 +24,15 @@
.weak setcontext
ENTRY(setcontext)
- mov 1, %o1
+ ba,pt %xcc, 1f
+ mov 1, %o1
+
+END(setcontext)
/* int __setcontext(ucontext_t *ctx, int restoremask); */
ENTRY(__setcontext)
- ldx [%o0 + UC_SIGMASK], %o2
+1: ldx [%o0 + UC_SIGMASK], %o2
stx %o2, [%o0 + __UC_SIGMASK]
ta 0x6f
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/setjmp.S b/sysdeps/unix/sysv/linux/sparc/sparc64/setjmp.S
index 1a9359af5b..ab1690bb42 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/setjmp.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/setjmp.S
@@ -39,7 +39,8 @@ libc_hidden_def (_setjmp)
/* int setjmp(jmp_buf) */
ENTRY(setjmp)
- set 1, %o1
+ ba,pt %xcc, __sigsetjmp_local
+ set 1, %o1
END(setjmp)
/* int __sigsetjmp(jmp_buf, savemask) */
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/socket.S b/sysdeps/unix/sysv/linux/sparc/sparc64/socket.S
index 7a8b205538..353705b4ac 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/socket.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/socket.S
@@ -47,8 +47,8 @@
# endif
#endif
-.globl __socket
-ENTRY (__socket)
+ .globl __syscall_error
+ENTRY(__socket)
/* Drop up to 6 arguments (recvfrom) into the memory allocated by
the caller for varargs, since that's really what we have. */
@@ -77,14 +77,15 @@ ENTRY (__socket)
LOADSYSCALL(socketcall)
ta 0x6d
- bcs,pn %xcc, __syscall_error_handler
- nop
- retl
+ bcc,pt %xcc, 1f
+ mov %o7, %g1
+ call __syscall_error
+ mov %g1, %o7
+1: retl
nop
#if defined NEED_CANCELLATION && defined CENABLE
.Lsocket_cancel:
- cfi_startproc
save %sp, -160, %sp
cfi_def_cfa_register (%fp)
cfi_window_save
@@ -97,19 +98,21 @@ ENTRY (__socket)
LOADSYSCALL(socketcall)
ta 0x6d
- bcs,pn %xcc, __syscall_error_handler2
+ bcc,pt %xcc, 1f
mov %o0, %l1
- CDISABLE
+ CDISABLE;
+ mov %l0, %o0;
+ call __syscall_error;
+ mov %l1, %o0;
+ ba,pt %xcc, 2f
+ 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)
+END(__socket)
#ifndef NO_WEAK_ALIAS
weak_alias (__socket, socket)
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S b/sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S
index 27bd086206..27487d8ed9 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S
@@ -19,8 +19,8 @@
#include <sysdep.h>
.text
-ENTRY (syscall)
-
+ .globl __syscall_error
+ENTRY(syscall)
mov %o0,%g1
mov %o1,%o0
mov %o2,%o1
@@ -30,11 +30,10 @@ ENTRY (syscall)
ta 0x6d
- bcs,pn %xcc,__syscall_error_handler
- nop
- retl
+ bcc,pt %xcc, 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/sparc64/sysdep.h b/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
index dfc38f151a..f156f9241a 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
@@ -49,142 +49,52 @@
#undef PSEUDO
#undef PSEUDO_NOERRNO
#undef PSEUDO_ERRVAL
-#undef ENTRY
-
-#define ENTRY(name) \
- .global C_SYMBOL_NAME(name); \
- .align 2; \
- C_LABEL(name); \
- .type name,@function;
-
-#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.__sparc64.get_pic.l7,"ax",@progbits; \
- .globl __sparc64.get_pic.l7; \
- .hidden __sparc64.get_pic.l7; \
- .type __sparc64.get_pic.l7,@function; \
-__sparc64.get_pic.l7: \
- retl; \
- add %o7, %l7, %l7; \
- .previous; \
-SYSCALL_ERROR_HANDLER_ENTRY(__syscall_error_handler) \
- save %sp, -192, %sp; \
- sethi %hi(_GLOBAL_OFFSET_TABLE_-4), %l7; \
- call __sparc64.get_pic.l7; \
- add %l7, %lo(_GLOBAL_OFFSET_TABLE_+4), %l7; \
- sethi %hi(rtld_errno), %g1; \
- or %g1, %lo(rtld_errno), %g1; \
- ldx [%l7 + %g1], %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.__sparc64.get_pic.l7,"ax",@progbits; \
- .globl __sparc64.get_pic.l7; \
- .hidden __sparc64.get_pic.l7; \
- .type __sparc64.get_pic.l7,@function; \
-__sparc64.get_pic.l7: \
- retl; \
- add %o7, %l7, %l7; \
- .previous; \
-SYSCALL_ERROR_HANDLER_ENTRY(__syscall_error_handler) \
- save %sp,-192,%sp; \
- sethi %tie_hi22(SYSCALL_ERROR_ERRNO), %l1; \
- sethi %hi(_GLOBAL_OFFSET_TABLE_-4), %l7; \
- call __sparc64.get_pic.l7; \
- add %l7, %lo(_GLOBAL_OFFSET_TABLE_+4), %l7; \
- add %l1, %tie_lo10(SYSCALL_ERROR_ERRNO), %l1; \
- ldx [%l7 + %l1], %l1, %tie_ldx(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_), %g4; \
- add %g1, %tie_lo10(SYSCALL_ERROR_ERRNO), %g1; \
- add %g4, %lo(_GLOBAL_OFFSET_TABLE_), %g4; \
- ldx [%g4 + %g1], %g1, %tie_ldx(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, -192, %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 0x6d; \
- bcs,pn %xcc, __syscall_error_handler; \
- nop; \
- SYSCALL_ERROR_HANDLER
-
-#define PSEUDO_NOERRNO(name, syscall_name, args) \
- .text; \
- ENTRY(name); \
- LOADSYSCALL(syscall_name); \
- ta 0x6d
-
-#define PSEUDO_ERRVAL(name, syscall_name, args) \
- .text; \
- ENTRY(name); \
- LOADSYSCALL(syscall_name); \
- ta 0x6d
-
#undef PSEUDO_END
-#define PSEUDO_END(name) \
- .size name,.-name
-
-#undef PSEUDO_END_NOERRNO
-#define PSEUDO_END_NOERRNO(name) \
- .size name,.-name
+#undef ENTRY
+#undef END
-#undef PSEUDO_END_ERRVAL
-#define PSEUDO_END_ERRVAL(name) \
- .size name,.-name
+#define ENTRY(name) \
+ .align 4; \
+ .global C_SYMBOL_NAME(name); \
+ .type name, @function; \
+C_LABEL(name) \
+ cfi_startproc;
+
+#define END(name) \
+ cfi_endproc; \
+ .size name, . - name
+
+ /* 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 0x6d; \
+ bcc,pt %xcc, 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 0x6d;
+
+#define PSEUDO_ERRVAL(name, syscall_name, args) \
+ .text; \
+ENTRY(name); \
+ LOADSYSCALL(syscall_name); \
+ ta 0x6d;
+
+#define PSEUDO_END(name) \
+ END(name)
-#undef END
-#define END(name) \
- .size name,.-name
/* Careful here! This "ret" define can interfere; use jmpl if unsure. */
#define ret retl; nop