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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2006-11-09 09:07:52 -0500
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-11-30 07:24:45 -0500
commit4a5222ca435c2af7466e5d262389609978a8e576 (patch)
tree1510f4dd35cf3d61a9e7ba1b2b44fa0246289b02 /include/asm-arm
parentbeea494d5e09f9e2172894ec84324b94244826a9 (diff)
[ARM] Arrange asm-arm/elf.h so it can be included by assembly
Prepare elf.h so that assembly code can include this file. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm')
-rw-r--r--include/asm-arm/elf.h92
1 files changed, 49 insertions, 43 deletions
diff --git a/include/asm-arm/elf.h b/include/asm-arm/elf.h
index 17f0c656d272..30942431e9fb 100644
--- a/include/asm-arm/elf.h
+++ b/include/asm-arm/elf.h
@@ -1,17 +1,22 @@
1#ifndef __ASMARM_ELF_H 1#ifndef __ASMARM_ELF_H
2#define __ASMARM_ELF_H 2#define __ASMARM_ELF_H
3 3
4 4#ifndef __ASSEMBLY__
5/* 5/*
6 * ELF register definitions.. 6 * ELF register definitions..
7 */ 7 */
8
9#include <asm/ptrace.h> 8#include <asm/ptrace.h>
10#include <asm/user.h> 9#include <asm/user.h>
11 10
12typedef unsigned long elf_greg_t; 11typedef unsigned long elf_greg_t;
13typedef unsigned long elf_freg_t[3]; 12typedef unsigned long elf_freg_t[3];
14 13
14#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
15typedef elf_greg_t elf_gregset_t[ELF_NGREG];
16
17typedef struct user_fp elf_fpregset_t;
18#endif
19
15#define EM_ARM 40 20#define EM_ARM 40
16#define EF_ARM_APCS26 0x08 21#define EF_ARM_APCS26 0x08
17#define EF_ARM_SOFT_FLOAT 0x200 22#define EF_ARM_SOFT_FLOAT 0x200
@@ -23,11 +28,6 @@ typedef unsigned long elf_freg_t[3];
23#define R_ARM_CALL 28 28#define R_ARM_CALL 28
24#define R_ARM_JUMP24 29 29#define R_ARM_JUMP24 29
25 30
26#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
27typedef elf_greg_t elf_gregset_t[ELF_NGREG];
28
29typedef struct user_fp elf_fpregset_t;
30
31/* 31/*
32 * These are used to set parameters in the core dumps. 32 * These are used to set parameters in the core dumps.
33 */ 33 */
@@ -42,10 +42,50 @@ typedef struct user_fp elf_fpregset_t;
42#ifdef __KERNEL__ 42#ifdef __KERNEL__
43#include <asm/procinfo.h> 43#include <asm/procinfo.h>
44 44
45#ifndef __ASSEMBLY__
46/*
47 * This yields a mask that user programs can use to figure out what
48 * instruction set this cpu supports.
49 */
50#define ELF_HWCAP (elf_hwcap)
51extern unsigned int elf_hwcap;
52
53/*
54 * This yields a string that ld.so will use to load implementation
55 * specific libraries for optimization. This is more specific in
56 * intent than poking at uname or /proc/cpuinfo.
57 *
58 * For now we just provide a fairly general string that describes the
59 * processor family. This could be made more specific later if someone
60 * implemented optimisations that require it. 26-bit CPUs give you
61 * "v1l" for ARM2 (no SWP) and "v2l" for anything else (ARM1 isn't
62 * supported). 32-bit CPUs give you "v3[lb]" for anything based on an
63 * ARM6 or ARM7 core and "armv4[lb]" for anything based on a StrongARM-1
64 * core.
65 */
66#define ELF_PLATFORM_SIZE 8
67#define ELF_PLATFORM (elf_platform)
68
69extern char elf_platform[];
70#endif
71
45/* 72/*
46 * This is used to ensure we don't load something for the wrong architecture. 73 * This is used to ensure we don't load something for the wrong architecture.
47 */ 74 */
48#define elf_check_arch(x) ( ((x)->e_machine == EM_ARM) && (ELF_PROC_OK((x))) ) 75#define elf_check_arch(x) ((x)->e_machine == EM_ARM && ELF_PROC_OK(x))
76
77/*
78 * 32-bit code is always OK. Some cpus can do 26-bit, some can't.
79 */
80#define ELF_PROC_OK(x) (ELF_THUMB_OK(x) && ELF_26BIT_OK(x))
81
82#define ELF_THUMB_OK(x) \
83 ((elf_hwcap & HWCAP_THUMB && ((x)->e_entry & 1) == 1) || \
84 ((x)->e_entry & 3) == 0)
85
86#define ELF_26BIT_OK(x) \
87 ((elf_hwcap & HWCAP_26BIT && (x)->e_flags & EF_ARM_APCS26) || \
88 ((x)->e_flags & EF_ARM_APCS26) == 0)
49 89
50#define USE_ELF_CORE_DUMP 90#define USE_ELF_CORE_DUMP
51#define ELF_EXEC_PAGESIZE 4096 91#define ELF_EXEC_PAGESIZE 4096
@@ -62,40 +102,6 @@ typedef struct user_fp elf_fpregset_t;
62 have no such handler. */ 102 have no such handler. */
63#define ELF_PLAT_INIT(_r, load_addr) (_r)->ARM_r0 = 0 103#define ELF_PLAT_INIT(_r, load_addr) (_r)->ARM_r0 = 0
64 104
65/* This yields a mask that user programs can use to figure out what
66 instruction set this cpu supports. */
67
68#define ELF_HWCAP (elf_hwcap)
69
70/* This yields a string that ld.so will use to load implementation
71 specific libraries for optimization. This is more specific in
72 intent than poking at uname or /proc/cpuinfo. */
73
74/* For now we just provide a fairly general string that describes the
75 processor family. This could be made more specific later if someone
76 implemented optimisations that require it. 26-bit CPUs give you
77 "v1l" for ARM2 (no SWP) and "v2l" for anything else (ARM1 isn't
78 supported). 32-bit CPUs give you "v3[lb]" for anything based on an
79 ARM6 or ARM7 core and "armv4[lb]" for anything based on a StrongARM-1
80 core. */
81
82#define ELF_PLATFORM_SIZE 8
83extern char elf_platform[];
84#define ELF_PLATFORM (elf_platform)
85
86/*
87 * 32-bit code is always OK. Some cpus can do 26-bit, some can't.
88 */
89#define ELF_PROC_OK(x) (ELF_THUMB_OK(x) && ELF_26BIT_OK(x))
90
91#define ELF_THUMB_OK(x) \
92 (( (elf_hwcap & HWCAP_THUMB) && ((x)->e_entry & 1) == 1) || \
93 ((x)->e_entry & 3) == 0)
94
95#define ELF_26BIT_OK(x) \
96 (( (elf_hwcap & HWCAP_26BIT) && (x)->e_flags & EF_ARM_APCS26) || \
97 ((x)->e_flags & EF_ARM_APCS26) == 0)
98
99#ifndef CONFIG_IWMMXT 105#ifndef CONFIG_IWMMXT
100 106
101/* Old NetWinder binaries were compiled in such a way that the iBCS 107/* Old NetWinder binaries were compiled in such a way that the iBCS
@@ -104,7 +110,7 @@ extern char elf_platform[];
104 there is no other ELF system currently supported by iBCS. 110 there is no other ELF system currently supported by iBCS.
105 @@ Could print a warning message to encourage users to upgrade. */ 111 @@ Could print a warning message to encourage users to upgrade. */
106#define SET_PERSONALITY(ex,ibcs2) \ 112#define SET_PERSONALITY(ex,ibcs2) \
107 set_personality(((ex).e_flags&EF_ARM_APCS26 ?PER_LINUX :PER_LINUX_32BIT)) 113 set_personality(((ex).e_flags & EF_ARM_APCS26 ? PER_LINUX : PER_LINUX_32BIT))
108 114
109#else 115#else
110 116