Add sysdeps/x86_64/x32/sysdep.h

diff --git a/ChangeLog b/ChangeLog
index 30b4d87..512e5cd 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2012-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 
+       * sysdeps/x86_64/sysdep.h: Allowed to be include more than once.
+       * sysdeps/x86_64/x32/sysdep.h: New file.
+
+2012-05-15  H.J. Lu  <hongjiu.lu@intel.com>
+
        * sysdeps/x86_64/__longjmp.S: Use R*_LP on SP and PC.
        * sysdeps/x86_64/setjmp.S: Likewise.
 

diff --git a/sysdeps/x86_64/sysdep.h b/sysdeps/x86_64/sysdep.h
index e34d7a9..af69499 100644 (file)
--- a/sysdeps/x86_64/sysdep.h
+++ b/sysdeps/x86_64/sysdep.h
@@ -16,6 +16,9 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
+#ifndef _X86_64_SYSDEP_H
+#define _X86_64_SYSDEP_H 1
+
 #include <sysdeps/generic/sysdep.h>
 
 #ifdef __ASSEMBLER__
@@ -152,3 +155,5 @@ lose:                                                                             \
 #define R15_LP "r15"
 
 #endif /* __ASSEMBLER__ */
+
+#endif /* _X86_64_SYSDEP_H */

diff --git a/sysdeps/x86_64/x32/sysdep.h b/sysdeps/x86_64/x32/sysdep.h
new file mode 100644 (file)
index 0000000..cbe2e5f
--- /dev/null
+++ b/sysdeps/x86_64/x32/sysdep.h
@@ -0,0 +1,92 @@
+/* Assembler macros for x32.
+   Copyright (C) 2012 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <sysdeps/x86_64/sysdep.h>
+
+#undef LP_SIZE
+#undef LP_OP
+#undef ASM_ADDR
+
+#undef RAX_LP
+#undef RBP_LP
+#undef RBX_LP
+#undef RCX_LP
+#undef RDI_LP
+#undef RDX_LP
+#undef RSP_LP
+#undef RSI_LP
+#undef R8_LP
+#undef R9_LP
+#undef R10_LP
+#undef R11_LP
+#undef R12_LP
+#undef R13_LP
+#undef R14_LP
+#undef R15_LP
+
+#ifdef __ASSEMBLER__
+
+# define LP_SIZE 4
+
+# define LP_OP(insn) insn##l
+
+# define ASM_ADDR .long
+
+# define RAX_LP        eax
+# define RBP_LP        ebp
+# define RBX_LP        ebx
+# define RCX_LP        ecx
+# define RDI_LP        edi
+# define RDX_LP        edx
+# define RSI_LP        esi
+# define RSP_LP        esp
+# define R8_LP r8d
+# define R9_LP r9d
+# define R10_LP        r10d
+# define R11_LP        r11d
+# define R12_LP        r12d
+# define R13_LP        r13d
+# define R14_LP        r14d
+# define R15_LP        r15d
+
+#else  /* __ASSEMBLER__ */
+
+# define LP_SIZE "4"
+
+# define LP_OP(insn) #insn "l"
+
+# define ASM_ADDR ".long"
+
+# define RAX_LP        "eax"
+# define RBP_LP        "ebp"
+# define RBX_LP        "ebx"
+# define RCX_LP        "ecx"
+# define RDI_LP        "edi"
+# define RDX_LP        "edx"
+# define RSI_LP        "esi"
+# define RSP_LP        "esp"
+# define R8_LP "r8d"
+# define R9_LP "r9d"
+# define R10_LP        "r10d"
+# define R11_LP        "r11d"
+# define R12_LP        "r12d"
+# define R13_LP        "r13d"
+# define R14_LP        "r14d"
+# define R15_LP        "r15d"
+
+#endif /* __ASSEMBLER__ */