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GNU C Library master sources branch roland/arm-setjmp created. glibc-2.17-378-g93f8ad9


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The branch, roland/arm-setjmp has been created
        at  93f8ad946b39b8b35b5657c2277a059d9a771bce (commit)

- Log -----------------------------------------------------------------
http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=93f8ad946b39b8b35b5657c2277a059d9a771bce

commit 93f8ad946b39b8b35b5657c2277a059d9a771bce
Author: Roland McGrath <roland@hack.frob.com>
Date:   Mon Mar 11 09:37:46 2013 -0700

    ARM: Consolidate setjmp details in include/bits/setjmp.h file.

diff --git a/ports/ChangeLog.arm b/ports/ChangeLog.arm
index 55184f6..110d2a1 100644
--- a/ports/ChangeLog.arm
+++ b/ports/ChangeLog.arm
@@ -1,5 +1,15 @@
 2013-03-11  Roland McGrath  <roland@hack.frob.com>
 
+	* sysdeps/arm/bits/setjmp.h: Test [!__ASSEMBLER__] rather than [!_ASM].
+	* sysdeps/arm/jmpbuf-offsets.h: File removed.
+	* sysdeps/arm/jmpbuf-unwind.h: Don't #include it.
+	* sysdeps/arm/include/bits/setjmp.h: New file.
+	* sysdeps/arm/setjmp.S (_SETJMP_H, _ASM): Macros removed.
+	Use JMP_BUF_REGLIST macro.
+	* sysdeps/arm/__longjmp.S: Likewise.
+
+2013-03-11  Roland McGrath  <roland@hack.frob.com>
+
 	* sysdeps/arm/preconfigure.in: New file.
 	* sysdeps/arm/preconfigure: Replaced with generated file.
 
diff --git a/ports/sysdeps/arm/__longjmp.S b/ports/sysdeps/arm/__longjmp.S
index 1d5d56b..9be2e97 100644
--- a/ports/sysdeps/arm/__longjmp.S
+++ b/ports/sysdeps/arm/__longjmp.S
@@ -37,7 +37,7 @@ ENTRY (__longjmp)
 	cfi_undefined (r4)
 	CHECK_SP (r4)
 #endif
-	ldmia	ip!, {v1-v6, sl, fp, sp, lr}
+	ldmia	ip!, JMP_BUF_REGLIST
 	cfi_restore (v1)
 	cfi_restore (v2)
 	cfi_restore (v3)
diff --git a/ports/sysdeps/arm/bits/setjmp.h b/ports/sysdeps/arm/bits/setjmp.h
index 1f7ddd3..21bbf7f 100644
--- a/ports/sysdeps/arm/bits/setjmp.h
+++ b/ports/sysdeps/arm/bits/setjmp.h
@@ -24,7 +24,7 @@
 # error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
 #endif
 
-#ifndef _ASM
+#ifndef __ASSEMBLER__
 /* The exact set of registers saved may depend on the particular core
    in use, as some coprocessor registers may need to be saved.  The C
    Library ABI requires that the buffer be 8-byte aligned, and
diff --git a/ports/sysdeps/arm/jmpbuf-offsets.h b/ports/sysdeps/arm/include/bits/setjmp.h
similarity index 58%
rename from ports/sysdeps/arm/jmpbuf-offsets.h
rename to ports/sysdeps/arm/include/bits/setjmp.h
index beeccbb..23d8f75 100644
--- a/ports/sysdeps/arm/jmpbuf-offsets.h
+++ b/ports/sysdeps/arm/include/bits/setjmp.h
@@ -1,5 +1,5 @@
-/* Private macros for accessing __jmp_buf contents.  ARM EABI version.
-   Copyright (C) 2007-2013 Free Software Foundation, Inc.
+/* Private jmp_buf-related definitions.  ARM EABI version.
+   Copyright (C) 2013 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
@@ -16,4 +16,19 @@
    License along with the GNU C Library.  If not, see
    <http://www.gnu.org/licenses/>.  */
 
+#ifndef _INCLUDE_BITS_SETJMP_H
+#define _INCLUDE_BITS_SETJMP_H 1
+
+#ifndef __ASSEMBLER__
+/* Get the public declarations.  */
+# include <sysdeps/arm/bits/setjmp.h>
+#endif
+
+/* Register list for a ldm/stm instruction to load/store
+   the general registers from a __jmp_buf.  */
+#define JMP_BUF_REGLIST		{v1-v6, sl, fp, sp, lr}
+
+/* Index of __jmp_buf where the sp register resides.  */
 #define __JMP_BUF_SP		8
+
+#endif  /* include/bits/setjmp.h */
diff --git a/ports/sysdeps/arm/jmpbuf-unwind.h b/ports/sysdeps/arm/jmpbuf-unwind.h
index 7f7770a..0863540 100644
--- a/ports/sysdeps/arm/jmpbuf-unwind.h
+++ b/ports/sysdeps/arm/jmpbuf-unwind.h
@@ -16,7 +16,6 @@
    <http://www.gnu.org/licenses/>.  */
 
 #include <setjmp.h>
-#include <jmpbuf-offsets.h>
 #include <stdint.h>
 #include <unwind.h>
 
diff --git a/ports/sysdeps/arm/setjmp.S b/ports/sysdeps/arm/setjmp.S
index 6776cab..c41a1ba 100644
--- a/ports/sysdeps/arm/setjmp.S
+++ b/ports/sysdeps/arm/setjmp.S
@@ -19,8 +19,6 @@
 /* ??? Needs more rearrangement for the STM to handle thumb mode.  */
 #define NO_THUMB
 #include <sysdep.h>
-#define _SETJMP_H
-#define _ASM
 #include <bits/setjmp.h>
 #include <rtld-global-offsets.h>
 #include <arm-features.h>
@@ -29,7 +27,7 @@ ENTRY (__sigsetjmp)
 	mov	ip, r0
 
 	/* Save registers */
-	stmia	ip!, {v1-v6, sl, fp, sp, lr}
+	stmia	ip!, JMP_BUF_REGLIST
 
 #if !defined ARM_ASSUME_NO_IWMMXT || defined __SOFTFP__
 # define NEED_HWCAP 1

-----------------------------------------------------------------------


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