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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /sysdeps/mips/elf
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'sysdeps/mips/elf')
-rw-r--r--sysdeps/mips/elf/ldsodefs.h109
-rw-r--r--sysdeps/mips/elf/start.S119
2 files changed, 0 insertions, 228 deletions
diff --git a/sysdeps/mips/elf/ldsodefs.h b/sysdeps/mips/elf/ldsodefs.h
deleted file mode 100644
index 3868b50ff6..0000000000
--- a/sysdeps/mips/elf/ldsodefs.h
+++ /dev/null
@@ -1,109 +0,0 @@
-/* Run-time dynamic linker data structures for loaded ELF shared objects.
- Copyright (C) 2000, 2002, 2003 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. */
-
-#ifndef _MIPS_LDSODEFS_H
-#define _MIPS_LDSODEFS_H
-
-/* The MIPS ABI specifies that the dynamic section has to be read-only. */
-
-#define DL_RO_DYN_SECTION 1
-
-#include_next <ldsodefs.h>
-
-/* The 64-bit MIPS ELF ABI uses an unusual reloc format. Each
- relocation entry specifies up to three actual relocations, all at
- the same address. The first relocation which required a symbol
- uses the symbol in the r_sym field. The second relocation which
- requires a symbol uses the symbol in the r_ssym field. If all
- three relocations require a symbol, the third one uses a zero
- value.
-
- We define these structures in internal headers because we're not
- sure we want to make them part of the ABI yet. Eventually, some of
- this may move into elf/elf.h. */
-
-/* An entry in a 64 bit SHT_REL section. */
-
-typedef struct
-{
- Elf32_Word r_sym; /* Symbol index */
- unsigned char r_ssym; /* Special symbol for 2nd relocation */
- unsigned char r_type3; /* 3rd relocation type */
- unsigned char r_type2; /* 2nd relocation type */
- unsigned char r_type1; /* 1st relocation type */
-} _Elf64_Mips_R_Info;
-
-typedef union
-{
- Elf64_Xword r_info_number;
- _Elf64_Mips_R_Info r_info_fields;
-} _Elf64_Mips_R_Info_union;
-
-typedef struct
-{
- Elf64_Addr r_offset; /* Address */
- _Elf64_Mips_R_Info_union r_info; /* Relocation type and symbol index */
-} Elf64_Mips_Rel;
-
-typedef struct
-{
- Elf64_Addr r_offset; /* Address */
- _Elf64_Mips_R_Info_union r_info; /* Relocation type and symbol index */
- Elf64_Sxword r_addend; /* Addend */
-} Elf64_Mips_Rela;
-
-#define ELF64_MIPS_R_SYM(i) \
- ((__extension__ (_Elf64_Mips_R_Info_union)(i)).r_info_fields.r_sym)
-#define ELF64_MIPS_R_TYPE(i) \
- (((_Elf64_Mips_R_Info_union)(i)).r_info_fields.r_type1 \
- | ((Elf32_Word)(__extension__ (_Elf64_Mips_R_Info_union)(i) \
- ).r_info_fields.r_type2 << 8) \
- | ((Elf32_Word)(__extension__ (_Elf64_Mips_R_Info_union)(i) \
- ).r_info_fields.r_type3 << 16) \
- | ((Elf32_Word)(__extension__ (_Elf64_Mips_R_Info_union)(i) \
- ).r_info_fields.r_ssym << 24))
-#define ELF64_MIPS_R_INFO(sym, type) \
- (__extension__ (_Elf64_Mips_R_Info_union) \
- (__extension__ (_Elf64_Mips_R_Info) \
- { (sym), ELF64_MIPS_R_SSYM (type), \
- ELF64_MIPS_R_TYPE3 (type), \
- ELF64_MIPS_R_TYPE2 (type), \
- ELF64_MIPS_R_TYPE1 (type) \
- }).r_info_number)
-/* These macros decompose the value returned by ELF64_MIPS_R_TYPE, and
- compose it back into a value that it can be used as an argument to
- ELF64_MIPS_R_INFO. */
-#define ELF64_MIPS_R_SSYM(i) (((i) >> 24) & 0xff)
-#define ELF64_MIPS_R_TYPE3(i) (((i) >> 16) & 0xff)
-#define ELF64_MIPS_R_TYPE2(i) (((i) >> 8) & 0xff)
-#define ELF64_MIPS_R_TYPE1(i) ((i) & 0xff)
-#define ELF64_MIPS_R_TYPEENC(type1, type2, type3, ssym) \
- ((type1) \
- | ((Elf32_Word)(type2) << 8) \
- | ((Elf32_Word)(type3) << 16) \
- | ((Elf32_Word)(ssym) << 24))
-
-#undef ELF64_R_SYM
-#define ELF64_R_SYM(i) ELF64_MIPS_R_SYM (i)
-#undef ELF64_R_TYPE
-#define ELF64_R_TYPE(i) ELF64_MIPS_R_TYPE (i)
-#undef ELF64_R_INFO
-#define ELF64_R_INFO(sym, type) ELF64_MIPS_R_INFO ((sym), (type))
-
-#endif
diff --git a/sysdeps/mips/elf/start.S b/sysdeps/mips/elf/start.S
deleted file mode 100644
index d9cc3b7ee2..0000000000
--- a/sysdeps/mips/elf/start.S
+++ /dev/null
@@ -1,119 +0,0 @@
-/* Startup code compliant to the ELF Mips ABI.
- Copyright (C) 1995, 1997, 2000, 2001, 2002, 2003, 2004
- 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.
-
- In addition to the permissions in the GNU Lesser General Public
- License, the Free Software Foundation gives you unlimited
- permission to link the compiled version of this file with other
- programs, and to distribute those programs without any restriction
- coming from the use of this file. (The GNU Lesser General Public
- License restrictions do apply in other respects; for example, they
- cover modification of the file, and distribution when not linked
- into another program.)
-
- Note that people who make modified versions of this file are not
- obligated to grant this special exception for their modified
- versions; it is their choice whether to do so. The GNU Lesser
- General Public License gives permission to release a modified
- version without this exception; this exception also makes it
- possible to release a modified version which carries forward this
- exception.
-
- 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. */
-
-#define __ASSEMBLY__ 1
-#include <entry.h>
-#include <sgidefs.h>
-#include <sys/asm.h>
-
-#ifndef ENTRY_POINT
-#error ENTRY_POINT needs to be defined for start.S on MIPS/ELF.
-#endif
-
-/* This is the canonical entry point, usually the first thing in the text
- segment. The SVR4/Mips ABI (pages 3-31, 3-32) says that when the entry
- point runs, most registers' values are unspecified, except for:
-
- v0 ($2) Contains a function pointer to be registered with `atexit'.
- This is how the dynamic linker arranges to have DT_FINI
- functions called for shared libraries that have been loaded
- before this code runs.
-
- sp ($29) The stack contains the arguments and environment:
- 0(%esp) argc
- 4(%esp) argv[0]
- ...
- (4*argc)(%esp) NULL
- (4*(argc+1))(%esp) envp[0]
- ...
- NULL
- ra ($31) The return address register is set to zero so that programs
- that search backword through stack frames recognize the last
- stack frame.
-*/
-
-
-/* We need to call:
- __libc_start_main (int (*main) (int, char **, char **), int argc,
- char **argv, void (*init) (void), void (*fini) (void),
- void (*rtld_fini) (void), void *stack_end)
-*/
-
- .text
- .globl ENTRY_POINT
- .type ENTRY_POINT,@function
-ENTRY_POINT:
-#ifdef __PIC__
- SETUP_GPX($0)
- SETUP_GPX64($25,$0)
-#else
- PTR_LA $28, _gp /* Setup GP correctly if we're non-PIC. */
- move $31, $0
-#endif
-
- PTR_LA $4, main /* main */
- PTR_L $5, 0($29) /* argc */
- PTR_ADDIU $6, $29, PTRSIZE /* argv */
-
- /* Allocate space on the stack for seven arguments (o32 only)
- and make sure the stack is aligned to double words (8 bytes)
- on o32 and quad words (16 bytes) on n32 and n64. */
-
- and $29, -2 * SZREG
-#if _MIPS_SIM == _ABIO32
- PTR_SUBIU $29, 32
-#endif
- PTR_LA $7, __libc_csu_init /* init */
- PTR_LA $8, __libc_csu_fini
-#if _MIPS_SIM == _ABIO32
- PTR_S $8, 16($29) /* fini */
- PTR_S $2, 20($29) /* rtld_fini */
- PTR_S $29, 24($29) /* stack_end */
-#else
- move $9, $2 /* rtld_fini */
- move $10, $29 /* stack_end */
-#endif
- jal __libc_start_main
-hlt: b hlt /* Crash if somehow it does return. */
-
-/* Define a symbol for the first piece of initialized data. */
- .data
- .globl __data_start
-__data_start:
- .long 0
- .weak data_start
- data_start = __data_start