1 /* SPDX-License-Identifier: GPL-2.0 */ 1
2 #ifndef __ASM_ALPHA_ELF_H
3 #define __ASM_ALPHA_ELF_H
4
5 #include <asm/auxvec.h>
6 #include <asm/special_insns.h>
7
8 /* Special values for the st_other field in th
9
10 #define STO_ALPHA_NOPV 0x80
11 #define STO_ALPHA_STD_GPLOAD 0x88
12
13 /*
14 * Alpha ELF relocation types
15 */
16 #define R_ALPHA_NONE 0 /* No
17 #define R_ALPHA_REFLONG 1 /* Dir
18 #define R_ALPHA_REFQUAD 2 /* Dir
19 #define R_ALPHA_GPREL32 3 /* GP
20 #define R_ALPHA_LITERAL 4 /* GP
21 #define R_ALPHA_LITUSE 5 /* Opt
22 #define R_ALPHA_GPDISP 6 /* Add
23 #define R_ALPHA_BRADDR 7 /* PC+
24 #define R_ALPHA_HINT 8 /* PC+
25 #define R_ALPHA_SREL16 9 /* PC
26 #define R_ALPHA_SREL32 10 /* PC
27 #define R_ALPHA_SREL64 11 /* PC
28 #define R_ALPHA_GPRELHIGH 17 /* GP
29 #define R_ALPHA_GPRELLOW 18 /* GP
30 #define R_ALPHA_GPREL16 19 /* GP
31 #define R_ALPHA_COPY 24 /* Cop
32 #define R_ALPHA_GLOB_DAT 25 /* Cre
33 #define R_ALPHA_JMP_SLOT 26 /* Cre
34 #define R_ALPHA_RELATIVE 27 /* Adj
35 #define R_ALPHA_BRSGP 28
36 #define R_ALPHA_TLSGD 29
37 #define R_ALPHA_TLS_LDM 30
38 #define R_ALPHA_DTPMOD64 31
39 #define R_ALPHA_GOTDTPREL 32
40 #define R_ALPHA_DTPREL64 33
41 #define R_ALPHA_DTPRELHI 34
42 #define R_ALPHA_DTPRELLO 35
43 #define R_ALPHA_DTPREL16 36
44 #define R_ALPHA_GOTTPREL 37
45 #define R_ALPHA_TPREL64 38
46 #define R_ALPHA_TPRELHI 39
47 #define R_ALPHA_TPRELLO 40
48 #define R_ALPHA_TPREL16 41
49
50 #define SHF_ALPHA_GPREL 0x10000000
51
52 /* Legal values for e_flags field of Elf64_Ehd
53
54 #define EF_ALPHA_32BIT 1 /* All
55
56 /*
57 * ELF register definitions..
58 */
59
60 /*
61 * The OSF/1 version of <sys/procfs.h> makes g
62 * I have no idea why that is so. For now, we
63 * (32 general regs + processor status word).
64 */
65 #define ELF_NGREG 33
66 #define ELF_NFPREG 32
67
68 typedef unsigned long elf_greg_t;
69 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
70
71 typedef double elf_fpreg_t;
72 typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]
73
74 /*
75 * This is used to ensure we don't load someth
76 */
77 #define elf_check_arch(x) ((x)->e_machine == E
78
79 /*
80 * These are used to set parameters in the cor
81 */
82 #define ELF_CLASS ELFCLASS64
83 #define ELF_DATA ELFDATA2LSB
84 #define ELF_ARCH EM_ALPHA
85
86 #define ELF_EXEC_PAGESIZE 8192
87
88 /* This is the location that an ET_DYN program
89 use of this is to invoke "./ld.so someprog"
90 the loader. We need to make sure that it i
91 that it will "exec", and that there is suff
92
93 #define ELF_ET_DYN_BASE (TASK_UNMAPPED
94
95 /* $0 is set by ld.so to a pointer to a functi
96 registered using atexit. This provides a m
97 linker to call DT_FINI functions for shared
98 been loaded before the code runs.
99
100 So that we can use the same startup file wi
101 we start programs with a value of 0 to indi
102 such function. */
103
104 #define ELF_PLAT_INIT(_r, load_addr) _r->r0
105
106 /* The registers are laid out in pt_regs for P
107 convenience. Re-order them for the linear
108
109 struct pt_regs;
110 struct thread_info;
111 struct task_struct;
112 extern void dump_elf_thread(elf_greg_t *dest,
113 struct thread_info
114 #define ELF_CORE_COPY_REGS(DEST, REGS) \
115 dump_elf_thread(DEST, REGS, current_th
116
117 /* Similar, but for a thread other than curren
118
119 extern int dump_elf_task(elf_greg_t *dest, str
120 #define ELF_CORE_COPY_TASK_REGS(TASK, DEST) \
121 dump_elf_task(*(DEST), TASK)
122
123 /* This yields a mask that user programs can u
124 instruction set this CPU supports. This is
125 but not so on other machines. */
126
127 #define ELF_HWCAP (~amask(-1))
128
129 /* This yields a string that ld.so will use to
130 specific libraries for optimization. This
131 intent than poking at uname or /proc/cpuinf
132
133 #define ELF_PLATFORM
134 ({
135 enum implver_enum i_ = implver();
136 ( i_ == IMPLVER_EV5 ? "ev56"
137 : amask (AMASK_CIX) ? "ev6" : "ev67");
138 })
139
140 #define SET_PERSONALITY(EX)
141 set_personality(((EX).e_flags & EF_ALP
142 ? PER_LINUX_32BIT : PER_LINUX)
143
144 extern int alpha_l1i_cacheshape;
145 extern int alpha_l1d_cacheshape;
146 extern int alpha_l2_cacheshape;
147 extern int alpha_l3_cacheshape;
148
149 /* update AT_VECTOR_SIZE_ARCH if the number of
150 #define ARCH_DLINFO
151 do {
152 NEW_AUX_ENT(AT_L1I_CACHESHAPE, alpha_l1i_c
153 NEW_AUX_ENT(AT_L1D_CACHESHAPE, alpha_l1d_c
154 NEW_AUX_ENT(AT_L2_CACHESHAPE, alpha_l2_cac
155 NEW_AUX_ENT(AT_L3_CACHESHAPE, alpha_l3_cac
156 } while (0)
157
158 #endif /* __ASM_ALPHA_ELF_H */
159
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