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1#ifndef __ASM_ALPHA_ELF_H
2#define __ASM_ALPHA_ELF_H
3
4#include <asm/auxvec.h>
5
6/* Special values for the st_other field in the symbol table. */
7
8#define STO_ALPHA_NOPV 0x80
9#define STO_ALPHA_STD_GPLOAD 0x88
10
11/*
12 * Alpha ELF relocation types
13 */
14#define R_ALPHA_NONE 0 /* No reloc */
15#define R_ALPHA_REFLONG 1 /* Direct 32 bit */
16#define R_ALPHA_REFQUAD 2 /* Direct 64 bit */
17#define R_ALPHA_GPREL32 3 /* GP relative 32 bit */
18#define R_ALPHA_LITERAL 4 /* GP relative 16 bit w/optimization */
19#define R_ALPHA_LITUSE 5 /* Optimization hint for LITERAL */
20#define R_ALPHA_GPDISP 6 /* Add displacement to GP */
21#define R_ALPHA_BRADDR 7 /* PC+4 relative 23 bit shifted */
22#define R_ALPHA_HINT 8 /* PC+4 relative 16 bit shifted */
23#define R_ALPHA_SREL16 9 /* PC relative 16 bit */
24#define R_ALPHA_SREL32 10 /* PC relative 32 bit */
25#define R_ALPHA_SREL64 11 /* PC relative 64 bit */
26#define R_ALPHA_GPRELHIGH 17 /* GP relative 32 bit, high 16 bits */
27#define R_ALPHA_GPRELLOW 18 /* GP relative 32 bit, low 16 bits */
28#define R_ALPHA_GPREL16 19 /* GP relative 16 bit */
29#define R_ALPHA_COPY 24 /* Copy symbol at runtime */
30#define R_ALPHA_GLOB_DAT 25 /* Create GOT entry */
31#define R_ALPHA_JMP_SLOT 26 /* Create PLT entry */
32#define R_ALPHA_RELATIVE 27 /* Adjust by program base */
33#define R_ALPHA_BRSGP 28
34#define R_ALPHA_TLSGD 29
35#define R_ALPHA_TLS_LDM 30
36#define R_ALPHA_DTPMOD64 31
37#define R_ALPHA_GOTDTPREL 32
38#define R_ALPHA_DTPREL64 33
39#define R_ALPHA_DTPRELHI 34
40#define R_ALPHA_DTPRELLO 35
41#define R_ALPHA_DTPREL16 36
42#define R_ALPHA_GOTTPREL 37
43#define R_ALPHA_TPREL64 38
44#define R_ALPHA_TPRELHI 39
45#define R_ALPHA_TPRELLO 40
46#define R_ALPHA_TPREL16 41
47
48#define SHF_ALPHA_GPREL 0x10000000
49
50/* Legal values for e_flags field of Elf64_Ehdr. */
51
52#define EF_ALPHA_32BIT 1 /* All addresses are below 2GB */
53
54/*
55 * ELF register definitions..
56 */
57
58/*
59 * The OSF/1 version of <sys/procfs.h> makes gregset_t 46 entries long.
60 * I have no idea why that is so. For now, we just leave it at 33
61 * (32 general regs + processor status word).
62 */
63#define ELF_NGREG 33
64#define ELF_NFPREG 32
65
66typedef unsigned long elf_greg_t;
67typedef elf_greg_t elf_gregset_t[ELF_NGREG];
68
69typedef double elf_fpreg_t;
70typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
71
72/*
73 * This is used to ensure we don't load something for the wrong architecture.
74 */
75#define elf_check_arch(x) ((x)->e_machine == EM_ALPHA)
76
77/*
78 * These are used to set parameters in the core dumps.
79 */
80#define ELF_CLASS ELFCLASS64
81#define ELF_DATA ELFDATA2LSB
82#define ELF_ARCH EM_ALPHA
83
84#define ELF_EXEC_PAGESIZE 8192
85
86/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
87 use of this is to invoke "./ld.so someprog" to test out a new version of
88 the loader. We need to make sure that it is out of the way of the program
89 that it will "exec", and that there is sufficient room for the brk. */
90
91#define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x1000000)
92
93/* $0 is set by ld.so to a pointer to a function which might be
94 registered using atexit. This provides a mean for the dynamic
95 linker to call DT_FINI functions for shared libraries that have
96 been loaded before the code runs.
97
98 So that we can use the same startup file with static executables,
99 we start programs with a value of 0 to indicate that there is no
100 such function. */
101
102#define ELF_PLAT_INIT(_r, load_addr) _r->r0 = 0
103
104/* The registers are laid out in pt_regs for PAL and syscall
105 convenience. Re-order them for the linear elf_gregset_t. */
106
107struct pt_regs;
108struct thread_info;
109struct task_struct;
110extern void dump_elf_thread(elf_greg_t *dest, struct pt_regs *pt,
111 struct thread_info *ti);
112#define ELF_CORE_COPY_REGS(DEST, REGS) \
113 dump_elf_thread(DEST, REGS, current_thread_info());
114
115/* Similar, but for a thread other than current. */
116
117extern int dump_elf_task(elf_greg_t *dest, struct task_struct *task);
118#define ELF_CORE_COPY_TASK_REGS(TASK, DEST) \
119 dump_elf_task(*(DEST), TASK)
120
121/* Similar, but for the FP registers. */
122
123extern int dump_elf_task_fp(elf_fpreg_t *dest, struct task_struct *task);
124#define ELF_CORE_COPY_FPREGS(TASK, DEST) \
125 dump_elf_task_fp(*(DEST), TASK)
126
127/* This yields a mask that user programs can use to figure out what
128 instruction set this CPU supports. This is trivial on Alpha,
129 but not so on other machines. */
130
131#define ELF_HWCAP (~amask(-1))
132
133/* This yields a string that ld.so will use to load implementation
134 specific libraries for optimization. This is more specific in
135 intent than poking at uname or /proc/cpuinfo. */
136
137#define ELF_PLATFORM \
138({ \
139 enum implver_enum i_ = implver(); \
140 ( i_ == IMPLVER_EV4 ? "ev4" \
141 : i_ == IMPLVER_EV5 \
142 ? (amask(AMASK_BWX) ? "ev5" : "ev56") \
143 : amask (AMASK_CIX) ? "ev6" : "ev67"); \
144})
145
146#define SET_PERSONALITY(EX) \
147 set_personality(((EX).e_flags & EF_ALPHA_32BIT) \
148 ? PER_LINUX_32BIT : PER_LINUX)
149
150extern int alpha_l1i_cacheshape;
151extern int alpha_l1d_cacheshape;
152extern int alpha_l2_cacheshape;
153extern int alpha_l3_cacheshape;
154
155/* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */
156#define ARCH_DLINFO \
157 do { \
158 NEW_AUX_ENT(AT_L1I_CACHESHAPE, alpha_l1i_cacheshape); \
159 NEW_AUX_ENT(AT_L1D_CACHESHAPE, alpha_l1d_cacheshape); \
160 NEW_AUX_ENT(AT_L2_CACHESHAPE, alpha_l2_cacheshape); \
161 NEW_AUX_ENT(AT_L3_CACHESHAPE, alpha_l3_cacheshape); \
162 } while (0)
163
164#endif /* __ASM_ALPHA_ELF_H */
1#ifndef __ASM_ALPHA_ELF_H
2#define __ASM_ALPHA_ELF_H
3
4#include <asm/auxvec.h>
5#include <asm/special_insns.h>
6
7/* Special values for the st_other field in the symbol table. */
8
9#define STO_ALPHA_NOPV 0x80
10#define STO_ALPHA_STD_GPLOAD 0x88
11
12/*
13 * Alpha ELF relocation types
14 */
15#define R_ALPHA_NONE 0 /* No reloc */
16#define R_ALPHA_REFLONG 1 /* Direct 32 bit */
17#define R_ALPHA_REFQUAD 2 /* Direct 64 bit */
18#define R_ALPHA_GPREL32 3 /* GP relative 32 bit */
19#define R_ALPHA_LITERAL 4 /* GP relative 16 bit w/optimization */
20#define R_ALPHA_LITUSE 5 /* Optimization hint for LITERAL */
21#define R_ALPHA_GPDISP 6 /* Add displacement to GP */
22#define R_ALPHA_BRADDR 7 /* PC+4 relative 23 bit shifted */
23#define R_ALPHA_HINT 8 /* PC+4 relative 16 bit shifted */
24#define R_ALPHA_SREL16 9 /* PC relative 16 bit */
25#define R_ALPHA_SREL32 10 /* PC relative 32 bit */
26#define R_ALPHA_SREL64 11 /* PC relative 64 bit */
27#define R_ALPHA_GPRELHIGH 17 /* GP relative 32 bit, high 16 bits */
28#define R_ALPHA_GPRELLOW 18 /* GP relative 32 bit, low 16 bits */
29#define R_ALPHA_GPREL16 19 /* GP relative 16 bit */
30#define R_ALPHA_COPY 24 /* Copy symbol at runtime */
31#define R_ALPHA_GLOB_DAT 25 /* Create GOT entry */
32#define R_ALPHA_JMP_SLOT 26 /* Create PLT entry */
33#define R_ALPHA_RELATIVE 27 /* Adjust by program base */
34#define R_ALPHA_BRSGP 28
35#define R_ALPHA_TLSGD 29
36#define R_ALPHA_TLS_LDM 30
37#define R_ALPHA_DTPMOD64 31
38#define R_ALPHA_GOTDTPREL 32
39#define R_ALPHA_DTPREL64 33
40#define R_ALPHA_DTPRELHI 34
41#define R_ALPHA_DTPRELLO 35
42#define R_ALPHA_DTPREL16 36
43#define R_ALPHA_GOTTPREL 37
44#define R_ALPHA_TPREL64 38
45#define R_ALPHA_TPRELHI 39
46#define R_ALPHA_TPRELLO 40
47#define R_ALPHA_TPREL16 41
48
49#define SHF_ALPHA_GPREL 0x10000000
50
51/* Legal values for e_flags field of Elf64_Ehdr. */
52
53#define EF_ALPHA_32BIT 1 /* All addresses are below 2GB */
54
55/*
56 * ELF register definitions..
57 */
58
59/*
60 * The OSF/1 version of <sys/procfs.h> makes gregset_t 46 entries long.
61 * I have no idea why that is so. For now, we just leave it at 33
62 * (32 general regs + processor status word).
63 */
64#define ELF_NGREG 33
65#define ELF_NFPREG 32
66
67typedef unsigned long elf_greg_t;
68typedef elf_greg_t elf_gregset_t[ELF_NGREG];
69
70typedef double elf_fpreg_t;
71typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
72
73/*
74 * This is used to ensure we don't load something for the wrong architecture.
75 */
76#define elf_check_arch(x) ((x)->e_machine == EM_ALPHA)
77
78/*
79 * These are used to set parameters in the core dumps.
80 */
81#define ELF_CLASS ELFCLASS64
82#define ELF_DATA ELFDATA2LSB
83#define ELF_ARCH EM_ALPHA
84
85#define ELF_EXEC_PAGESIZE 8192
86
87/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
88 use of this is to invoke "./ld.so someprog" to test out a new version of
89 the loader. We need to make sure that it is out of the way of the program
90 that it will "exec", and that there is sufficient room for the brk. */
91
92#define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x1000000)
93
94/* $0 is set by ld.so to a pointer to a function which might be
95 registered using atexit. This provides a mean for the dynamic
96 linker to call DT_FINI functions for shared libraries that have
97 been loaded before the code runs.
98
99 So that we can use the same startup file with static executables,
100 we start programs with a value of 0 to indicate that there is no
101 such function. */
102
103#define ELF_PLAT_INIT(_r, load_addr) _r->r0 = 0
104
105/* The registers are laid out in pt_regs for PAL and syscall
106 convenience. Re-order them for the linear elf_gregset_t. */
107
108struct pt_regs;
109struct thread_info;
110struct task_struct;
111extern void dump_elf_thread(elf_greg_t *dest, struct pt_regs *pt,
112 struct thread_info *ti);
113#define ELF_CORE_COPY_REGS(DEST, REGS) \
114 dump_elf_thread(DEST, REGS, current_thread_info());
115
116/* Similar, but for a thread other than current. */
117
118extern int dump_elf_task(elf_greg_t *dest, struct task_struct *task);
119#define ELF_CORE_COPY_TASK_REGS(TASK, DEST) \
120 dump_elf_task(*(DEST), TASK)
121
122/* Similar, but for the FP registers. */
123
124extern int dump_elf_task_fp(elf_fpreg_t *dest, struct task_struct *task);
125#define ELF_CORE_COPY_FPREGS(TASK, DEST) \
126 dump_elf_task_fp(*(DEST), TASK)
127
128/* This yields a mask that user programs can use to figure out what
129 instruction set this CPU supports. This is trivial on Alpha,
130 but not so on other machines. */
131
132#define ELF_HWCAP (~amask(-1))
133
134/* This yields a string that ld.so will use to load implementation
135 specific libraries for optimization. This is more specific in
136 intent than poking at uname or /proc/cpuinfo. */
137
138#define ELF_PLATFORM \
139({ \
140 enum implver_enum i_ = implver(); \
141 ( i_ == IMPLVER_EV4 ? "ev4" \
142 : i_ == IMPLVER_EV5 \
143 ? (amask(AMASK_BWX) ? "ev5" : "ev56") \
144 : amask (AMASK_CIX) ? "ev6" : "ev67"); \
145})
146
147#define SET_PERSONALITY(EX) \
148 set_personality(((EX).e_flags & EF_ALPHA_32BIT) \
149 ? PER_LINUX_32BIT : PER_LINUX)
150
151extern int alpha_l1i_cacheshape;
152extern int alpha_l1d_cacheshape;
153extern int alpha_l2_cacheshape;
154extern int alpha_l3_cacheshape;
155
156/* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */
157#define ARCH_DLINFO \
158 do { \
159 NEW_AUX_ENT(AT_L1I_CACHESHAPE, alpha_l1i_cacheshape); \
160 NEW_AUX_ENT(AT_L1D_CACHESHAPE, alpha_l1d_cacheshape); \
161 NEW_AUX_ENT(AT_L2_CACHESHAPE, alpha_l2_cacheshape); \
162 NEW_AUX_ENT(AT_L3_CACHESHAPE, alpha_l3_cacheshape); \
163 } while (0)
164
165#endif /* __ASM_ALPHA_ELF_H */