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MIPS support to the linker

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Change-Id: I37ec2d6c51d82bb9e9dbfef4b38c85366bead255
Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Raghu Gandham <raghu@mips.com>
Signed-off-by: Bhanu Chetlapalli <bhanu@mips.com>
This commit is contained in:
Raghu Gandham
2012-07-31 12:07:22 -07:00
committed by Elliott Hughes
parent 0ca9d0748e
commit d7daacb463
7 changed files with 311 additions and 56 deletions
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42
linker/linker.h
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@@ -150,11 +150,19 @@ struct soinfo
void (*init_func)(void);
void (*fini_func)(void);
#ifdef ANDROID_ARM_LINKER
#if defined(ANDROID_ARM_LINKER)
/* ARM EABI section used for stack unwinding. */
unsigned *ARM_exidx;
unsigned ARM_exidx_count;
#elif defined(ANDROID_MIPS_LINKER)
#if 0
/* not yet */
unsigned *mips_pltgot
#endif
unsigned mips_symtabno;
unsigned mips_local_gotno;
unsigned mips_gotsym;
#endif /* ANDROID_*_LINKER */
unsigned refcount;
struct link_map linkmap;
@@ -169,29 +177,31 @@ struct soinfo
extern soinfo libdl_info;
#ifdef ANDROID_ARM_LINKER
#include <asm/elf.h>
#if defined(ANDROID_ARM_LINKER)
// These aren't defined in <arch-arm/asm/elf.h>.
#define R_ARM_REL32 3
#define R_ARM_COPY 20
#define R_ARM_GLOB_DAT 21
#define R_ARM_JUMP_SLOT 22
#define R_ARM_RELATIVE 23
/* According to the AAPCS specification, we only
* need the above relocations. However, in practice,
* the following ones turn up from time to time.
*/
#define R_ARM_ABS32 2
#define R_ARM_REL32 3
#elif defined(ANDROID_MIPS_LINKER)
// These aren't defined in <arch-arm/mips/elf.h>.
#define R_MIPS_JUMP_SLOT 127
#define DT_MIPS_PLTGOT 0x70000032
#define DT_MIPS_RWPLT 0x70000034
#elif defined(ANDROID_X86_LINKER)
#define R_386_32 1
#define R_386_PC32 2
#define R_386_GLOB_DAT 6
#define R_386_JUMP_SLOT 7
#define R_386_RELATIVE 8
// x86 has everything it needs in <arch-arm/x86/elf.h>.
#endif
#endif /* ANDROID_*_LINKER */
#ifndef DT_INIT_ARRAY
#define DT_INIT_ARRAY 25
@@ -227,10 +237,10 @@ Elf32_Sym *soinfo_find_symbol(soinfo* si, const void *addr);
Elf32_Sym *soinfo_lookup(soinfo *si, const char *name);
void soinfo_call_constructors(soinfo *si);
#ifdef ANDROID_ARM_LINKER
#if defined(ANDROID_ARM_LINKER)
typedef long unsigned int *_Unwind_Ptr;
_Unwind_Ptr dl_unwind_find_exidx(_Unwind_Ptr pc, int *pcount);
#elif defined(ANDROID_X86_LINKER)
#elif defined(ANDROID_X86_LINKER) || defined(ANDROID_MIPS_LINKER)
int dl_iterate_phdr(int (*cb)(struct dl_phdr_info *, size_t, void *), void *);
#endif