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authorH.J. Lu <hjl.tools@gmail.com>2012-05-30 15:21:55 -0700
committerH.J. Lu <hjl.tools@gmail.com>2012-05-30 15:21:55 -0700
commit6bd976963f65990e1099eb4e08946bdb5191dc9c (patch)
tree789d7aca8ae92f5dacce9be1d56fd016d7884095 /sysdeps/x86/bits
parentf726f0bb75f930c46bbd3b2ce81c29fa28c6292b (diff)
downloadglibc-6bd976963f65990e1099eb4e08946bdb5191dc9c.tar.gz
Use x86_64 bits/{link.h,linkmap.h} for i386/x86_64
Diffstat (limited to 'sysdeps/x86/bits')
-rw-r--r--sysdeps/x86/bits/link.h147
-rw-r--r--sysdeps/x86/bits/linkmap.h16
2 files changed, 163 insertions, 0 deletions
diff --git a/sysdeps/x86/bits/link.h b/sysdeps/x86/bits/link.h
new file mode 100644
index 0000000000..fa2091085f
--- /dev/null
+++ b/sysdeps/x86/bits/link.h
@@ -0,0 +1,147 @@
+/* Copyright (C) 2004, 2005, 2009, 2011 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/>. */
+
+#ifndef _LINK_H
+# error "Never include <bits/link.h> directly; use <link.h> instead."
+#endif
+
+
+#ifndef __x86_64__
+/* Registers for entry into PLT on IA-32. */
+typedef struct La_i86_regs
+{
+ uint32_t lr_edx;
+ uint32_t lr_ecx;
+ uint32_t lr_eax;
+ uint32_t lr_ebp;
+ uint32_t lr_esp;
+} La_i86_regs;
+
+/* Return values for calls from PLT on IA-32. */
+typedef struct La_i86_retval
+{
+ uint32_t lrv_eax;
+ uint32_t lrv_edx;
+ long double lrv_st0;
+ long double lrv_st1;
+} La_i86_retval;
+
+
+__BEGIN_DECLS
+
+extern Elf32_Addr la_i86_gnu_pltenter (Elf32_Sym *__sym, unsigned int __ndx,
+ uintptr_t *__refcook,
+ uintptr_t *__defcook,
+ La_i86_regs *__regs,
+ unsigned int *__flags,
+ const char *__symname,
+ long int *__framesizep);
+extern unsigned int la_i86_gnu_pltexit (Elf32_Sym *__sym, unsigned int __ndx,
+ uintptr_t *__refcook,
+ uintptr_t *__defcook,
+ const La_i86_regs *__inregs,
+ La_i86_retval *__outregs,
+ const char *symname);
+
+__END_DECLS
+
+#else
+
+/* Registers for entry into PLT on x86-64. */
+# if __GNUC_PREREQ (4,0)
+typedef float La_x86_64_xmm __attribute__ ((__vector_size__ (16)));
+typedef float La_x86_64_ymm
+ __attribute__ ((__vector_size__ (32), __aligned__ (16)));
+# else
+typedef float La_x86_64_xmm __attribute__ ((__mode__ (__V4SF__)));
+# endif
+
+typedef union
+{
+# if __GNUC_PREREQ (4,0)
+ La_x86_64_ymm ymm[2];
+# endif
+ La_x86_64_xmm xmm[4];
+} La_x86_64_vector __attribute__ ((__aligned__ (16)));
+
+typedef struct La_x86_64_regs
+{
+ uint64_t lr_rdx;
+ uint64_t lr_r8;
+ uint64_t lr_r9;
+ uint64_t lr_rcx;
+ uint64_t lr_rsi;
+ uint64_t lr_rdi;
+ uint64_t lr_rbp;
+ uint64_t lr_rsp;
+ La_x86_64_xmm lr_xmm[8];
+ La_x86_64_vector lr_vector[8];
+} La_x86_64_regs;
+
+/* Return values for calls from PLT on x86-64. */
+typedef struct La_x86_64_retval
+{
+ uint64_t lrv_rax;
+ uint64_t lrv_rdx;
+ La_x86_64_xmm lrv_xmm0;
+ La_x86_64_xmm lrv_xmm1;
+ long double lrv_st0;
+ long double lrv_st1;
+ La_x86_64_vector lrv_vector0;
+ La_x86_64_vector lrv_vector1;
+} La_x86_64_retval;
+
+#define La_x32_regs La_x86_64_regs
+#define La_x32_retval La_x86_64_retval
+
+__BEGIN_DECLS
+
+extern Elf64_Addr la_x86_64_gnu_pltenter (Elf64_Sym *__sym,
+ unsigned int __ndx,
+ uintptr_t *__refcook,
+ uintptr_t *__defcook,
+ La_x86_64_regs *__regs,
+ unsigned int *__flags,
+ const char *__symname,
+ long int *__framesizep);
+extern unsigned int la_x86_64_gnu_pltexit (Elf64_Sym *__sym,
+ unsigned int __ndx,
+ uintptr_t *__refcook,
+ uintptr_t *__defcook,
+ const La_x86_64_regs *__inregs,
+ La_x86_64_retval *__outregs,
+ const char *__symname);
+
+extern Elf32_Addr la_x32_gnu_pltenter (Elf32_Sym *__sym,
+ unsigned int __ndx,
+ uintptr_t *__refcook,
+ uintptr_t *__defcook,
+ La_x32_regs *__regs,
+ unsigned int *__flags,
+ const char *__symname,
+ long int *__framesizep);
+extern unsigned int la_x32_gnu_pltexit (Elf32_Sym *__sym,
+ unsigned int __ndx,
+ uintptr_t *__refcook,
+ uintptr_t *__defcook,
+ const La_x32_regs *__inregs,
+ La_x32_retval *__outregs,
+ const char *__symname);
+
+__END_DECLS
+
+#endif
diff --git a/sysdeps/x86/bits/linkmap.h b/sysdeps/x86/bits/linkmap.h
new file mode 100644
index 0000000000..dd0d140874
--- /dev/null
+++ b/sysdeps/x86/bits/linkmap.h
@@ -0,0 +1,16 @@
+#if __WORDSIZE == 64
+struct link_map_machine
+ {
+ Elf64_Addr plt; /* Address of .plt + 0x16 */
+ Elf64_Addr gotplt; /* Address of .got + 0x18 */
+ void *tlsdesc_table; /* Address of TLS descriptor hash table. */
+ };
+
+#else
+struct link_map_machine
+ {
+ Elf32_Addr plt; /* Address of .plt + 0x16 */
+ Elf32_Addr gotplt; /* Address of .got + 0x0c */
+ void *tlsdesc_table; /* Address of TLS descriptor hash table. */
+ };
+#endif