@@ -1,5 +1,5 @@
text data bss dec hex filename
-1260061 9912 9256 1279229 1384fd libc.so
- 143107 4336 208 147651 240c3 elf/ld.so
- 97335 844 8352 106531 1a023 nptl/libpthread.so
- 22516 656 160 23332 5b24 rt/librt.so
+1265565 9912 9256 1284733 139a7d libc.so
+ 143491 4336 208 148035 24243 elf/ld.so
+ 98103 844 8352 107299 1a323 nptl/libpthread.so
+ 22996 656 160 23812 5d04 rt/librt.so
The assembly sysdep.S is replaced the by the generic syscall_error.c.
Checked on arm-linux-gnueabihf.
---
sysdeps/unix/arm/sysdep.S | 62 -------------------
.../linux/arm/{sysdep.S => syscall_error.h} | 24 +++----
2 files changed, 8 insertions(+), 78 deletions(-)
delete mode 100644 sysdeps/unix/arm/sysdep.S
rename sysdeps/unix/sysv/linux/arm/{sysdep.S => syscall_error.h} (55%)
deleted file mode 100644
@@ -1,62 +0,0 @@
-/* Copyright (C) 1991-2020 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, see
- <https://www.gnu.org/licenses/>. */
-
-#include <sysdep.h>
-#include <errno.h>
-
-#if IS_IN (rtld)
-# include <dl-sysdep.h> /* Defines RTLD_PRIVATE_ERRNO. */
-#endif
-
-#include <tls.h>
-
-#undef syscall_error
-__syscall_error:
-#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN
- /* We translate the system's EWOULDBLOCK error into EAGAIN.
- The GNU C library always defines EWOULDBLOCK==EAGAIN.
- EWOULDBLOCK_sys is the original number. */
- cmp r0, $EWOULDBLOCK_sys /* Is it the old EWOULDBLOCK? */
- it eq
- moveq r0, $EAGAIN /* Yes; translate it to EAGAIN. */
-#endif
-
-#if !IS_IN (rtld)
- mov r1, r0
- GET_TLS (r2)
- ldr r2, 1f
-#ifdef __thumb__
-2: add r2, r2, pc
- ldr r2, [r2]
-#else
-2: ldr r2, [pc, r2]
-#endif
- str r1, [r0, r2]
- mvn r0, #0
- DO_RET(lr)
-
-1: .word errno(gottpoff) + (. - 2b - PC_OFS)
-#elif RTLD_PRIVATE_ERRNO
- LDST_PCREL(str, r0, r1, C_SYMBOL_NAME(rtld_errno))
- mvn r0, #0
- DO_RET(r14)
-#else
-#error "Unsupported non-TLS case"
-#endif
-
-#undef __syscall_error
-END (__syscall_error)
similarity index 55%
rename from sysdeps/unix/sysv/linux/arm/sysdep.S
rename to sysdeps/unix/sysv/linux/arm/syscall_error.h
@@ -1,4 +1,5 @@
-/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
+/* Linux wrappers for setting errno. ARM version.
+ Copyright (C) 2020 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
@@ -12,22 +13,13 @@
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, see
+ License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
-#include <sysdep.h>
+#ifndef _SYSCALL_ERROR_H
+#define _SYSCALL_ERROR_H
- .text
+#define SYSCALL_ERROR_FUNC 1
+#define SYSCALL_ERROR_FUNC_ATTR
-/* The syscall stubs jump here when they detect an error.
- The code for Linux is almost identical to the canonical Unix
- code, except that the error number in R0 is negated. */
-
-#undef CALL_MCOUNT
-#define CALL_MCOUNT /* Don't insert the profiling call, it clobbers R0. */
-
-ENTRY (__syscall_error)
- rsb r0, r0, $0
-
-#define __syscall_error __syscall_error_1
-#include <sysdeps/unix/arm/sysdep.S>
+#endif