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authorEric Andersen <andersen@codepoet.org>2003-01-02 16:48:42 +0000
committerEric Andersen <andersen@codepoet.org>2003-01-02 16:48:42 +0000
commitf980a783a335d83330e832ed92c0aa8f1abb93b8 (patch)
tree69d00c1eaffd1e8c808ffbf66ac0d4565ee34e80 /libc/sysdeps/linux
parentd4b37495fb022640b1db8c0aa8615392c8969684 (diff)
Rework sparc architecture support so it will compile
and run. Seems to be working... -Erik
Diffstat (limited to 'libc/sysdeps/linux')
-rw-r--r--libc/sysdeps/linux/sparc/Makefile10
-rw-r--r--libc/sysdeps/linux/sparc/__longjmp.S2
-rw-r--r--libc/sysdeps/linux/sparc/bits/syscalls.h193
-rw-r--r--libc/sysdeps/linux/sparc/fork.S51
-rw-r--r--libc/sysdeps/linux/sparc/rem.S4
-rw-r--r--libc/sysdeps/linux/sparc/sdiv.S4
-rw-r--r--libc/sysdeps/linux/sparc/setjmp.S37
-rw-r--r--libc/sysdeps/linux/sparc/sysdep.h146
-rw-r--r--libc/sysdeps/linux/sparc/udiv.S4
-rw-r--r--libc/sysdeps/linux/sparc/umul.S2
-rw-r--r--libc/sysdeps/linux/sparc/urem.S4
-rw-r--r--libc/sysdeps/linux/sparc/vfork.S48
12 files changed, 293 insertions, 212 deletions
diff --git a/libc/sysdeps/linux/sparc/Makefile b/libc/sysdeps/linux/sparc/Makefile
index bce1752dc..aecb3bd16 100644
--- a/libc/sysdeps/linux/sparc/Makefile
+++ b/libc/sysdeps/linux/sparc/Makefile
@@ -25,8 +25,8 @@ TOPDIR=../../../../
include $(TOPDIR)Rules.mak
ASFLAGS=$(CFLAGS)
-CRT0=crt0.c
-CRT0_OBJ=$(patsubst %.c,%.o, $(CRT0))
+CRT0_SRC = crt0.c
+CRT0_OBJ = crt0.o crt1.o
SSRC=__longjmp.S fork.S vfork.S clone.S setjmp.S bsd-setjmp.S bsd-_setjmp.S \
urem.S udiv.S umul.S sdiv.S rem.S
@@ -45,10 +45,10 @@ $(LIBC): ar-target
ar-target: $(OBJS) $(CRT0_OBJ)
$(AR) $(ARFLAGS) $(LIBC) $(OBJS)
- cp $(CRT0_OBJ) $(TOPDIR)lib/$(CRT0_OBJ)
+ cp $(CRT0_OBJ) $(TOPDIR)lib/
-$(CRT0_OBJ): %.o : %.c
- $(CC) $(CFLAGS) -c $< -o $@
+$(CRT0_OBJ): $(CRT0_SRC)
+ $(CC) $(CFLAGS) -DL_$* $< -c -o $*.o
$(STRIPTOOL) -x -R .note -R .comment $*.o
$(SOBJS): %.o : %.S
diff --git a/libc/sysdeps/linux/sparc/__longjmp.S b/libc/sysdeps/linux/sparc/__longjmp.S
index 2d568d381..d6e04bd1e 100644
--- a/libc/sysdeps/linux/sparc/__longjmp.S
+++ b/libc/sysdeps/linux/sparc/__longjmp.S
@@ -16,7 +16,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
-#include <sysdep.h>
+#include <sys/syscall.h>
#define _ASM 1
#define _SETJMP_H
diff --git a/libc/sysdeps/linux/sparc/bits/syscalls.h b/libc/sysdeps/linux/sparc/bits/syscalls.h
index 62541b873..ddd8e5f6b 100644
--- a/libc/sysdeps/linux/sparc/bits/syscalls.h
+++ b/libc/sysdeps/linux/sparc/bits/syscalls.h
@@ -4,16 +4,197 @@
# error "Never use <bits/syscalls.h> directly; include <sys/syscall.h> instead."
#endif
-#include <features.h>
-
-/* Do something very evil for now. Until we create our own syscall
- * macros, short circuit bits/sysnum.h and use asm/unistd.h instead */
-#include <asm/unistd.h>
-
/* This includes the `__NR_<name>' syscall numbers taken from the Linux kernel
* header files. It also defines the traditional `SYS_<name>' macros for older
* programs. */
#include <bits/sysnum.h>
+#ifndef __set_errno
+# define __set_errno(val) (*__errno_location ()) = (val)
+#endif
+
+/*
+ macros taken from glibc-2.3/sysdeps/unix/sysv/linux/sparc/sysdep.h
+ Copyright (C) 2000, 2002 Free Software Foundation, Inc.
+ Contributed by Jakub Jelinek <jakub@redhat.com>, 2000.
+*/
+
+#ifndef __ASSEMBLER__
+
+#undef _syscall0
+#define _syscall0(type,name) \
+type name(void) \
+{ \
+return (type) (INLINE_SYSCALL(name, 0)); \
+}
+
+#undef _syscall1
+#define _syscall1(type,name,type1,arg1) \
+type name(type1 arg1) \
+{ \
+return (type) (INLINE_SYSCALL(name, 1, arg1)); \
+}
+
+#undef _syscall2
+#define _syscall2(type,name,type1,arg1,type2,arg2) \
+type name(type1 arg1,type2 arg2) \
+{ \
+return (type) (INLINE_SYSCALL(name, 2, arg1, arg2)); \
+}
+
+#undef _syscall3
+#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
+type name(type1 arg1,type2 arg2,type3 arg3) \
+{ \
+return (type) (INLINE_SYSCALL(name, 3, arg1, arg2, arg3)); \
+}
+
+#undef _syscall4
+#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
+type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
+{ \
+return (type) (INLINE_SYSCALL(name, 4, arg1, arg2, arg3, arg4)); \
+}
+
+#undef _syscall5
+#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
+ type5,arg5) \
+type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
+{ \
+return (type) (INLINE_SYSCALL(name, 5, arg1, arg2, arg3, arg4, arg5)); \
+}
+
+#undef _syscall6
+#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
+ type5,arg5,type6,arg6) \
+type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, type6 arg6) \
+{ \
+return (type) (INLINE_SYSCALL(name, 6, arg1, arg2, arg3, arg4, arg5, arg6)); \
+}
+
+#undef _syscall7
+#define _syscall7(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
+ type5,arg5,type6,arg6,type7,arg7) \
+type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, type6 arg6,type7 arg7) \
+{ \
+return (type) (INLINE_SYSCALL(name, 7, arg1, arg2, arg3, arg4, arg5, arg6, arg7)); \
+}
+
+#define __SYSCALL_STRING \
+ "ta 0x10;" \
+ "bcs 2f;" \
+ " nop;" \
+ "1:" \
+ ".subsection 2;" \
+ "2:" \
+ "save %%sp, -192, %%sp;" \
+ "call __errno_location;" \
+ " nop;" \
+ "st %%i0,[%%o0];" \
+ "ba 1b;" \
+ " restore %%g0, -1, %%o0;" \
+ ".previous;"
+
+#define __SYSCALL_CLOBBERS "g2", "g3", "g4", "g5", "g7", \
+ "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \
+ "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \
+ "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", \
+ "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", \
+ "cc", "memory"
+
+#undef INLINE_SYSCALL
+#define INLINE_SYSCALL(name, nr, args...) _INLINE_SYSCALL##nr(name, args)
+
+#define _INLINE_SYSCALL0(name,dummy...) \
+({ \
+ register long __o0 __asm__ ("o0"); \
+ register long __g1 __asm__ ("g1") = __NR_##name; \
+ __asm __volatile (__SYSCALL_STRING : "=r" (__g1), "=r" (__o0) : \
+ "0" (__g1) : \
+ __SYSCALL_CLOBBERS); \
+ __o0; \
+})
+
+#define _INLINE_SYSCALL1(name,arg1) \
+({ \
+ register long __o0 __asm__ ("o0") = (long)(arg1); \
+ register long __g1 __asm__ ("g1") = __NR_##name; \
+ __asm __volatile (__SYSCALL_STRING : "=r" (__g1), "=r" (__o0) : \
+ "0" (__g1), "1" (__o0) : \
+ __SYSCALL_CLOBBERS); \
+ __o0; \
+})
+
+#define _INLINE_SYSCALL2(name,arg1,arg2) \
+({ \
+ register long __o0 __asm__ ("o0") = (long)(arg1); \
+ register long __o1 __asm__ ("o1") = (long)(arg2); \
+ register long __g1 __asm__ ("g1") = __NR_##name; \
+ __asm __volatile (__SYSCALL_STRING : "=r" (__g1), "=r" (__o0) : \
+ "0" (__g1), "1" (__o0), "r" (__o1) : \
+ __SYSCALL_CLOBBERS); \
+ __o0; \
+})
+
+#define _INLINE_SYSCALL3(name,arg1,arg2,arg3) \
+({ \
+ register long __o0 __asm__ ("o0") = (long)(arg1); \
+ register long __o1 __asm__ ("o1") = (long)(arg2); \
+ register long __o2 __asm__ ("o2") = (long)(arg3); \
+ register long __g1 __asm__ ("g1") = __NR_##name; \
+ __asm __volatile (__SYSCALL_STRING : "=r" (__g1), "=r" (__o0) : \
+ "0" (__g1), "1" (__o0), "r" (__o1), \
+ "r" (__o2) : \
+ __SYSCALL_CLOBBERS); \
+ __o0; \
+})
+
+#define _INLINE_SYSCALL4(name,arg1,arg2,arg3,arg4) \
+({ \
+ register long __o0 __asm__ ("o0") = (long)(arg1); \
+ register long __o1 __asm__ ("o1") = (long)(arg2); \
+ register long __o2 __asm__ ("o2") = (long)(arg3); \
+ register long __o3 __asm__ ("o3") = (long)(arg4); \
+ register long __g1 __asm__ ("g1") = __NR_##name; \
+ __asm __volatile (__SYSCALL_STRING : "=r" (__g1), "=r" (__o0) : \
+ "0" (__g1), "1" (__o0), "r" (__o1), \
+ "r" (__o2), "r" (__o3) : \
+ __SYSCALL_CLOBBERS); \
+ __o0; \
+})
+
+#define _INLINE_SYSCALL5(name,arg1,arg2,arg3,arg4,arg5) \
+({ \
+ register long __o0 __asm__ ("o0") = (long)(arg1); \
+ register long __o1 __asm__ ("o1") = (long)(arg2); \
+ register long __o2 __asm__ ("o2") = (long)(arg3); \
+ register long __o3 __asm__ ("o3") = (long)(arg4); \
+ register long __o4 __asm__ ("o4") = (long)(arg5); \
+ register long __g1 __asm__ ("g1") = __NR_##name; \
+ __asm __volatile (__SYSCALL_STRING : "=r" (__g1), "=r" (__o0) : \
+ "0" (__g1), "1" (__o0), "r" (__o1), \
+ "r" (__o2), "r" (__o3), "r" (__o4) : \
+ __SYSCALL_CLOBBERS); \
+ __o0; \
+})
+
+#define _INLINE_SYSCALL6(name,arg1,arg2,arg3,arg4,arg5,arg6) \
+({ \
+ register long __o0 __asm__ ("o0") = (long)(arg1); \
+ register long __o1 __asm__ ("o1") = (long)(arg2); \
+ register long __o2 __asm__ ("o2") = (long)(arg3); \
+ register long __o3 __asm__ ("o3") = (long)(arg4); \
+ register long __o4 __asm__ ("o4") = (long)(arg5); \
+ register long __o5 __asm__ ("o5") = (long)(arg6); \
+ register long __g1 __asm__ ("g1") = __NR_##name; \
+ __asm __volatile (__SYSCALL_STRING : "=r" (__g1), "=r" (__o0) : \
+ "0" (__g1), "1" (__o0), "r" (__o1), \
+ "r" (__o2), "r" (__o3), "r" (__o4), \
+ "r" (__o5) : \
+ __SYSCALL_CLOBBERS); \
+ __o0; \
+})
+
+#endif /* __ASSEMBLER__ */
#endif /* _BITS_SYSCALLS_H */
diff --git a/libc/sysdeps/linux/sparc/fork.S b/libc/sysdeps/linux/sparc/fork.S
index 6bab58c81..c66856bef 100644
--- a/libc/sysdeps/linux/sparc/fork.S
+++ b/libc/sysdeps/linux/sparc/fork.S
@@ -1,5 +1,6 @@
-/* Copyright (C) 1991, 92, 94, 95, 97, 99 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
+ Contributed by Miguel de Icaza <miguel@gnu.ai.mit.edu>, 1997.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
@@ -16,31 +17,31 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
-#include <sysdep.h>
+/* Code taken from glibc2.2.2/sysdeps/unix/sysv/linux/sparc/vfork.S */
+
+#include <sys/syscall.h>
.text;
-.global fork;
-.align 4;
-fork: ;
-.type fork ,@function; ;
-
- mov 2, %g1 ;
- ta 0x10;
- bcc,a 9000f;
- nop;
- save %sp,-96,%sp;
- call __errno_location;
- nop;
- st %i0,[%o0];
- jmpl %i7+8,%g0;
- restore %g0,-1,%o0; ;
- 9000:;
-
- /* %o1 is now 0 for the parent and 1 for the child. Decrement it to
- make it -1 (all bits set) for the parent, and 0 (no bits set)
- for the child. Then AND it with %o0, so the parent gets
- %o0&-1==pid, and the child gets %o0&0==0. */
- sub %o1, 1, %o1
+.global fork;
+.align 4;
+.type fork,@function;
+
+fork:
+ mov __NR_fork, %g1
+ ta 0x10
+ bcc,a 9000f
+ nop
+ save %sp,-96,%sp
+ call __errno_location
+ nop
+ st %i0,[%o0]
+ jmpl %i7+8,%g0
+ restore %g0,-1,%o0
+
+9000:
+ sub %o1, 1, %o1
retl
- and %o0, %o1, %o0
+ and %o0, %o1, %o0
+
+.size fork,.-fork;
diff --git a/libc/sysdeps/linux/sparc/rem.S b/libc/sysdeps/linux/sparc/rem.S
index 52bf167a4..3da857e99 100644
--- a/libc/sysdeps/linux/sparc/rem.S
+++ b/libc/sysdeps/linux/sparc/rem.S
@@ -37,7 +37,7 @@
-#include <sysdep.h>
+#include <sys/syscall.h>
.global .rem;
@@ -364,4 +364,4 @@
retl
mov %o3, %o0
-END(.rem)
+.size .rem,.-.rem;
diff --git a/libc/sysdeps/linux/sparc/sdiv.S b/libc/sysdeps/linux/sparc/sdiv.S
index 678a19413..8fdb7daf8 100644
--- a/libc/sysdeps/linux/sparc/sdiv.S
+++ b/libc/sysdeps/linux/sparc/sdiv.S
@@ -37,7 +37,7 @@
-#include <sysdep.h>
+#include <sys/syscall.h>
.global .div;
.align 4;
@@ -363,4 +363,4 @@
retl
mov %o2, %o0
-END(.div)
+.size .div,.-.div;
diff --git a/libc/sysdeps/linux/sparc/setjmp.S b/libc/sysdeps/linux/sparc/setjmp.S
index 30051418c..e01e73b04 100644
--- a/libc/sysdeps/linux/sparc/setjmp.S
+++ b/libc/sysdeps/linux/sparc/setjmp.S
@@ -16,22 +16,43 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
-#include <sysdep.h>
+#include <sys/syscall.h>
#define _ASM 1
#define _SETJMP_H
#include <bits/setjmp.h>
+#define ST_FLUSH_WINDOWS 3
-ENTRY(_setjmp)
+.global _setjmp;
+.align 4;
+.type _setjmp ,@function;
+
+_setjmp:
b 1f
set 0, %o1
-END(_setjmp)
+.size _setjmp,.-_setjmp;
+
+
+
+
+
+
+.global setjmp;
+.align 4;
+.type setjmp ,@function;
-ENTRY(setjmp)
+setjmp:
set 1, %o1
-END(setjmp)
+.size setjmp,.-setjmp;
-ENTRY (__sigsetjmp)
+
+
+
+.global __sigsetjmp;
+.align 4;
+.type __sigsetjmp ,@function;
+
+__sigsetjmp:
1:
/* Save our PC, SP and FP. Save the signal mask if requested with
a tail-call for simplicity; it always returns zero. */
@@ -44,7 +65,9 @@ ENTRY (__sigsetjmp)
mov %o7, %g1
call __sigjmp_save
mov %g1, %o7
-END(__sigsetjmp)
+.size __sigsetjmp,.-__sigsetjmp;
+
+
.weak _setjmp
.weak setjmp
diff --git a/libc/sysdeps/linux/sparc/sysdep.h b/libc/sysdeps/linux/sparc/sysdep.h
deleted file mode 100644
index 1553ff06d..000000000
--- a/libc/sysdeps/linux/sparc/sysdep.h
+++ /dev/null
@@ -1,146 +0,0 @@
-/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
-
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
-
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Library General Public License for more details.
-
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
-
-#include <sys/syscall.h>
-
-/* Not that using a `PASTE' macro loses. */
-#ifdef __STDC__
-
-#ifdef __ELF__
-
-#define SYSCALL_WEAK_ALIAS(alias,orig) \
- .weak alias; \
- alias=__libc_##orig
-
-/*
-#ifdef _POSIX_THREADS
-*/
-
-#if 1
-
-#ifdef PTHREAD_KERNEL
-
-/* Use the regular ELF conventions about underscores, and provide the
- weak symbol, as required */
-#define SYSCALL__(name,args) PSEUDO (__machdep_sys_##name, name, args) \
-.weak machdep_sys_##name; \
- machdep_sys_##name = __machdep_sys_##name; \
-.type __machdep_sys_##name,@function; \
-.type machdep_sys_##name,@function; \
-.L__machdep_sys_##name##end: .size __machdep_sys_##name,.L__machdep_sys_##name##end - __machdep_sys_##name
-
-#define SYSCALL(name,args) PSEUDO (__machdep_sys_##name, name, args) \
-.weak machdep_sys_##name; \
- machdep_sys_##name = __machdep_sys_##name; \
-.type __machdep_sys_##name,@function; \
-.type machdep_sys_##name,@function; \
-.L__machdep_sys_##name##end: .size __machdep_sys_##name,.L__machdep_sys_##name##end - __machdep_sys_##name
-
-#else /* PTHREAD_KERNEL */
-
-/* Use the regular ELF conventions about underscores, and provide the
- weak symbol, as required */
-#define SYSCALL__(name,args) PSEUDO (__libc_##name, name, args) \
-.weak __##name; \
-.weak name; \
- __##name = __libc_##name; \
- name = __libc_##name; \
-.type __libc_##name,@function; \
-.type name,@function; \
-.type __##name,@function; \
-.L__libc_##name##end: .size __libc_##name,.L__libc_##name##end - __libc_##name
-
-#define SYSCALL(name,args) PSEUDO (__libc_##name, name, args) \
-.weak name; \
- name = __libc_##name; \
-.type __libc_##name,@function; \
-.type name,@function; \
-.L__libc_##name##end: .size __libc_##name,.L__libc_##name##end - __libc_##name
-
-#endif /* PTHREAD_KERNEL */
-
-#else /* _POSIX_THREADS */
-
-/* Use the regular ELF conventions about underscores, and provide the
- weak symbol, as required */
-#define SYSCALL__(name,args) PSEUDO (__libc_##name, name, args) \
-.weak name; \
- __##name = __libc_##name; \
- name = __libc_##name; \
-.type __libc_##name,@function; \
-.type name,@function; \
-.type __##name,@function; \
-.L__libc_##name##end: .size __libc_##name,.L__libc_##name##end - __libc_##name
-
-#define SYSCALL(name,args) PSEUDO (__libc_##name, name, args) \
- name = __libc_##name; \
-.type __libc_##name,@function; \
-.type name,@function; \
-.L__libc_##name##end: .size __libc_##name,.L__libc_##name##end - __libc_##name
-
-#endif /* _POSIX_THREADS */
-
-#else /* __ELF__ */
-
-#define SYSCALL_WEAK_ALIAS(alias,orig)
-
-/* Regular a.out definition */
-#define SYSCALL__(name,args) PSEUDO (__##name, name, args)
-#define SYSCALL(name,args) PSEUDO (name, name, args)
-
-#endif /* __ELF__ */
-
-#else /* __STDC__ */
-
-#define SYSCALL__(name,args) PSEUDO (__/**/name, name, args)
-#define SYSCALL(name,args) PSEUDO (name, name, args)
-
-#endif /* __STDC__ */
-
-/* Machine-dependent sysdep.h files are expected to define the macro
- PSEUDO (function_name, syscall_name) to emit assembly code to define the
- C-callable function FUNCTION_NAME to do system call SYSCALL_NAME.
- r0 and r1 are the system call outputs. movl should be defined as
- an instruction such that "movl r1, r0" works. ret should be defined
- as the return instruction. */
-
-
-#if !defined(HAVE_GNU_LD) && !defined (__ELF__)
-#define ___errno _errno
-#endif
-
-#define HAVE_SYSCALLS
-
-#define ENTRY(name)
- .global name;
- .align 4;
-
-#define END(name)
- .size name,.-name;
-
-#define PSEUDO(name, syscall_name, args) \
- .text; \
- ENTRY(name); \
- ta 0x10; \
- bcc,a 9000f; \
- nop; \
-9000:;
-
-#define PSEUDO_END(name) \
- .size name,.-name;
-
diff --git a/libc/sysdeps/linux/sparc/udiv.S b/libc/sysdeps/linux/sparc/udiv.S
index e6f143118..85eeb40fc 100644
--- a/libc/sysdeps/linux/sparc/udiv.S
+++ b/libc/sysdeps/linux/sparc/udiv.S
@@ -37,7 +37,7 @@
-#include <sysdep.h>
+#include <sys/syscall.h>
.global .udiv;
.align 4;
@@ -345,4 +345,4 @@
retl
mov %o2, %o0
-END(.udiv)
+.size .udiv,.-.udiv;
diff --git a/libc/sysdeps/linux/sparc/umul.S b/libc/sysdeps/linux/sparc/umul.S
index d26ae4382..4f38d78eb 100644
--- a/libc/sysdeps/linux/sparc/umul.S
+++ b/libc/sysdeps/linux/sparc/umul.S
@@ -14,7 +14,7 @@
* bnz overflow (or tnz)
*/
-#include <sysdep.h>
+#include <sys/syscall.h>
.global .umul;
diff --git a/libc/sysdeps/linux/sparc/urem.S b/libc/sysdeps/linux/sparc/urem.S
index 2e236b151..890532141 100644
--- a/libc/sysdeps/linux/sparc/urem.S
+++ b/libc/sysdeps/linux/sparc/urem.S
@@ -37,7 +37,7 @@
-#include <sysdep.h>
+#include <sys/syscall.h>
.global .urem;
@@ -347,4 +347,4 @@
retl
mov %o3, %o0
-END(.urem)
+.size .urem , . -.urem
diff --git a/libc/sysdeps/linux/sparc/vfork.S b/libc/sysdeps/linux/sparc/vfork.S
index 2aef09ab1..0df960d65 100644
--- a/libc/sysdeps/linux/sparc/vfork.S
+++ b/libc/sysdeps/linux/sparc/vfork.S
@@ -3,28 +3,50 @@
Contributed by Jakub Jelinek <jj@ultra.linux.cz>, 1999.
The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
/* Code taken from glibc2.2.2/sysdeps/unix/sysv/linux/sparc/vfork.S */
-#include "sysdep.h"
+#include <sys/syscall.h>
-PSEUDO (__vfork, vfork, 0)
+#ifndef __NR_vfork
+/* uClinux-2.0 only has fork which is really vfork */
+#define __NR_vfork __NR_fork
+#endif
+
+.text;
+.global vfork;
+.align 4;
+.type vfork,@function;
+
+vfork:
+ mov __NR_vfork, %g1
+ ta 0x10
+ bcc,a 9000f
+ nop
+ save %sp,-96,%sp
+ call __errno_location
+ nop
+ st %i0,[%o0]
+ jmpl %i7+8,%g0
+ restore %g0,-1,%o0
+
+9000:
sub %o1, 1, %o1
retl
- and %o0, %o1, %o0
+ and %o0, %o1, %o0
+
+.size vfork,.-vfork;
-.size __vfork,.-__vfork
-.weak vfork; vfork = __vfork;