summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--ldso/ldso/powerpc/dl-syscalls.h17
-rw-r--r--ldso/ldso/powerpc/ld_syscalls.h17
-rw-r--r--libc/sysdeps/linux/powerpc/Makefile3
-rw-r--r--libc/sysdeps/linux/powerpc/_mmap.c2
-rw-r--r--libc/sysdeps/linux/powerpc/bits/syscalls.h25
-rw-r--r--libc/sysdeps/linux/powerpc/syscall.S45
6 files changed, 79 insertions, 30 deletions
diff --git a/ldso/ldso/powerpc/dl-syscalls.h b/ldso/ldso/powerpc/dl-syscalls.h
index 1539d64ab..3e561d661 100644
--- a/ldso/ldso/powerpc/dl-syscalls.h
+++ b/ldso/ldso/powerpc/dl-syscalls.h
@@ -32,7 +32,8 @@
#undef __syscall_clobbers
#define __syscall_clobbers \
- "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12"
+ "r9", "r10", "r11", "r12"
+ //"r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12"
#undef _syscall0
#define _syscall0(type,name) \
@@ -49,7 +50,7 @@ type name(void) \
"mfcr %1 " \
: "=&r" (__sc_3), "=&r" (__sc_0) \
: "0" (__sc_3), "1" (__sc_0) \
- : __syscall_clobbers); \
+ : "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12" ); \
__sc_ret = __sc_3; \
__sc_err = __sc_0; \
} \
@@ -72,7 +73,7 @@ type name(type1 arg1) \
"mfcr %1 " \
: "=&r" (__sc_3), "=&r" (__sc_0) \
: "0" (__sc_3), "1" (__sc_0) \
- : __syscall_clobbers); \
+ : "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12" ); \
__sc_ret = __sc_3; \
__sc_err = __sc_0; \
} \
@@ -98,7 +99,7 @@ type name(type1 arg1, type2 arg2) \
: "=&r" (__sc_3), "=&r" (__sc_0) \
: "0" (__sc_3), "1" (__sc_0), \
"r" (__sc_4) \
- : __syscall_clobbers); \
+ : "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12" ); \
__sc_ret = __sc_3; \
__sc_err = __sc_0; \
} \
@@ -127,7 +128,7 @@ type name(type1 arg1, type2 arg2, type3 arg3) \
: "0" (__sc_3), "1" (__sc_0), \
"r" (__sc_4), \
"r" (__sc_5) \
- : __syscall_clobbers); \
+ : "r6", "r7", "r8", "r9", "r10", "r11", "r12" ); \
__sc_ret = __sc_3; \
__sc_err = __sc_0; \
} \
@@ -159,7 +160,7 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
"r" (__sc_4), \
"r" (__sc_5), \
"r" (__sc_6) \
- : __syscall_clobbers); \
+ : "r7", "r8", "r9", "r10", "r11", "r12" ); \
__sc_ret = __sc_3; \
__sc_err = __sc_0; \
} \
@@ -194,7 +195,7 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \
"r" (__sc_5), \
"r" (__sc_6), \
"r" (__sc_7) \
- : __syscall_clobbers); \
+ : "r8", "r9", "r10", "r11", "r12" ); \
__sc_ret = __sc_3; \
__sc_err = __sc_0; \
} \
@@ -233,7 +234,7 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6
"r" (__sc_6), \
"r" (__sc_7), \
"r" (__sc_8) \
- : __syscall_clobbers); \
+ : "r9", "r10", "r11", "r12" ); \
__sc_ret = __sc_3; \
__sc_err = __sc_0; \
} \
diff --git a/ldso/ldso/powerpc/ld_syscalls.h b/ldso/ldso/powerpc/ld_syscalls.h
index 1539d64ab..3e561d661 100644
--- a/ldso/ldso/powerpc/ld_syscalls.h
+++ b/ldso/ldso/powerpc/ld_syscalls.h
@@ -32,7 +32,8 @@
#undef __syscall_clobbers
#define __syscall_clobbers \
- "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12"
+ "r9", "r10", "r11", "r12"
+ //"r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12"
#undef _syscall0
#define _syscall0(type,name) \
@@ -49,7 +50,7 @@ type name(void) \
"mfcr %1 " \
: "=&r" (__sc_3), "=&r" (__sc_0) \
: "0" (__sc_3), "1" (__sc_0) \
- : __syscall_clobbers); \
+ : "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12" ); \
__sc_ret = __sc_3; \
__sc_err = __sc_0; \
} \
@@ -72,7 +73,7 @@ type name(type1 arg1) \
"mfcr %1 " \
: "=&r" (__sc_3), "=&r" (__sc_0) \
: "0" (__sc_3), "1" (__sc_0) \
- : __syscall_clobbers); \
+ : "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12" ); \
__sc_ret = __sc_3; \
__sc_err = __sc_0; \
} \
@@ -98,7 +99,7 @@ type name(type1 arg1, type2 arg2) \
: "=&r" (__sc_3), "=&r" (__sc_0) \
: "0" (__sc_3), "1" (__sc_0), \
"r" (__sc_4) \
- : __syscall_clobbers); \
+ : "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12" ); \
__sc_ret = __sc_3; \
__sc_err = __sc_0; \
} \
@@ -127,7 +128,7 @@ type name(type1 arg1, type2 arg2, type3 arg3) \
: "0" (__sc_3), "1" (__sc_0), \
"r" (__sc_4), \
"r" (__sc_5) \
- : __syscall_clobbers); \
+ : "r6", "r7", "r8", "r9", "r10", "r11", "r12" ); \
__sc_ret = __sc_3; \
__sc_err = __sc_0; \
} \
@@ -159,7 +160,7 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
"r" (__sc_4), \
"r" (__sc_5), \
"r" (__sc_6) \
- : __syscall_clobbers); \
+ : "r7", "r8", "r9", "r10", "r11", "r12" ); \
__sc_ret = __sc_3; \
__sc_err = __sc_0; \
} \
@@ -194,7 +195,7 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \
"r" (__sc_5), \
"r" (__sc_6), \
"r" (__sc_7) \
- : __syscall_clobbers); \
+ : "r8", "r9", "r10", "r11", "r12" ); \
__sc_ret = __sc_3; \
__sc_err = __sc_0; \
} \
@@ -233,7 +234,7 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6
"r" (__sc_6), \
"r" (__sc_7), \
"r" (__sc_8) \
- : __syscall_clobbers); \
+ : "r9", "r10", "r11", "r12" ); \
__sc_ret = __sc_3; \
__sc_err = __sc_0; \
} \
diff --git a/libc/sysdeps/linux/powerpc/Makefile b/libc/sysdeps/linux/powerpc/Makefile
index 8e979a1e8..e19da0fba 100644
--- a/libc/sysdeps/linux/powerpc/Makefile
+++ b/libc/sysdeps/linux/powerpc/Makefile
@@ -24,7 +24,8 @@ CRT0_SRC = crt0.S
CRT0_OBJ = crt0.o crt1.o gcrt1.o
CRT0_DEPS=gmon-start.S
-SSRC=__longjmp.S setjmp.S bsd-setjmp.S bsd-_setjmp.S brk.S clone.S __uClibc_syscall.S
+SSRC=__longjmp.S setjmp.S bsd-setjmp.S bsd-_setjmp.S brk.S \
+ clone.S __uClibc_syscall.S syscall.S
ifeq ($(strip $(UCLIBC_PROFILING)),y)
SSRC+=mcount.S
endif
diff --git a/libc/sysdeps/linux/powerpc/_mmap.c b/libc/sysdeps/linux/powerpc/_mmap.c
index 350f4c49e..ec4bfd1f9 100644
--- a/libc/sysdeps/linux/powerpc/_mmap.c
+++ b/libc/sysdeps/linux/powerpc/_mmap.c
@@ -5,7 +5,7 @@
#include <sys/syscall.h>
#define __syscall_clobbers \
- "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12"
+ "r9", "r10", "r11", "r12"
#define __syscall_return(type) \
return (__sc_err & 0x10000000 ? errno = __sc_ret, __sc_ret = -1 : 0), \
(type) __sc_ret
diff --git a/libc/sysdeps/linux/powerpc/bits/syscalls.h b/libc/sysdeps/linux/powerpc/bits/syscalls.h
index ec9e8507f..ac7395097 100644
--- a/libc/sysdeps/linux/powerpc/bits/syscalls.h
+++ b/libc/sysdeps/linux/powerpc/bits/syscalls.h
@@ -11,30 +11,31 @@
#include <bits/sysnum.h>
-#define STRINGIFY(s) STRINGIFY2 (s)
-#define STRINGIFY2(s) #s
+#define __STRINGIFY(s) __STRINGIFY2 (s)
+#define __STRINGIFY2(s) #s
+#undef JUMPTARGET
#ifdef __PIC__
-#define JUMPTARGET(name) STRINGIFY(name##@plt)
+#define __MAKE_SYSCALL __STRINGIFY(__uClibc_syscall@plt)
#else
-#define JUMPTARGET(name) STRINGIFY(name)
+#define __MAKE_SYSCALL __STRINGIFY(__uClibc_syscall)
#endif
#define unified_syscall_body(name) \
__asm__ ( \
".section \".text\"\n\t" \
".align 2\n\t" \
- ".globl " STRINGIFY(name) "\n\t" \
- ".type " STRINGIFY(name) ",@function\n" \
- #name":\n\tli 0," STRINGIFY(__NR_##name) "\n\t" \
- "b " JUMPTARGET(__uClibc_syscall) "\n" \
- ".Lfe1" STRINGIFY(name) ":\n\t" \
- ".size\t" STRINGIFY(name) ",.Lfe1" STRINGIFY(name) "-" STRINGIFY(name) "\n" \
+ ".globl " __STRINGIFY(name) "\n\t" \
+ ".type " __STRINGIFY(name) ",@function\n\t" \
+ #name":\n\tli 0," __STRINGIFY(__NR_##name) "\n\t" \
+ "b " __MAKE_SYSCALL "\n\t" \
+ ".Lfe1" __STRINGIFY(name) ":\n\t" \
+ ".size\t" __STRINGIFY(name) ",.Lfe1" __STRINGIFY(name) "-" __STRINGIFY(name) "\n" \
)
#undef _syscall0
-#define _syscall0(type,name) \
-type name(void); \
+#define _syscall0(type,name) \
+type name(void); \
unified_syscall_body(name)
#undef _syscall1
diff --git a/libc/sysdeps/linux/powerpc/syscall.S b/libc/sysdeps/linux/powerpc/syscall.S
new file mode 100644
index 000000000..71f711931
--- /dev/null
+++ b/libc/sysdeps/linux/powerpc/syscall.S
@@ -0,0 +1,45 @@
+/* Copyright (C) 1991, 1992, 1997, 1999 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 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
+ Lesser General Public License for more details.
+
+ 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. */
+
+#include <features.h>
+
+ .section ".text"
+ .globl syscall;
+ .type syscall,@function;
+ .align 2;
+
+.globl syscall;
+.type syscall,@function;
+.align 2;
+
+syscall:
+ mr 0,3
+ mr 3,4
+ mr 4,5
+ mr 5,6
+ mr 6,7
+ mr 7,8
+ sc
+ bnslr;
+#ifdef __PIC__
+ b __syscall_error@plt
+#else
+ b __syscall_error
+#endif
+
+.size syscall,.-syscall
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-12 06:22:01 +0000