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1da177e4 LT |
1 | #ifndef __ASM_SH_ELF_H |
2 | #define __ASM_SH_ELF_H | |
3 | ||
315bb968 PM |
4 | #include <asm/auxvec.h> |
5 | #include <asm/ptrace.h> | |
6 | #include <asm/user.h> | |
7 | ||
b542ad11 | 8 | /* SH (particularly SHcompact) relocation types */ |
1da177e4 LT |
9 | #define R_SH_NONE 0 |
10 | #define R_SH_DIR32 1 | |
11 | #define R_SH_REL32 2 | |
12 | #define R_SH_DIR8WPN 3 | |
13 | #define R_SH_IND12W 4 | |
14 | #define R_SH_DIR8WPL 5 | |
15 | #define R_SH_DIR8WPZ 6 | |
16 | #define R_SH_DIR8BP 7 | |
17 | #define R_SH_DIR8W 8 | |
18 | #define R_SH_DIR8L 9 | |
19 | #define R_SH_SWITCH16 25 | |
20 | #define R_SH_SWITCH32 26 | |
21 | #define R_SH_USES 27 | |
22 | #define R_SH_COUNT 28 | |
23 | #define R_SH_ALIGN 29 | |
24 | #define R_SH_CODE 30 | |
25 | #define R_SH_DATA 31 | |
26 | #define R_SH_LABEL 32 | |
27 | #define R_SH_SWITCH8 33 | |
28 | #define R_SH_GNU_VTINHERIT 34 | |
29 | #define R_SH_GNU_VTENTRY 35 | |
30 | #define R_SH_TLS_GD_32 144 | |
31 | #define R_SH_TLS_LD_32 145 | |
32 | #define R_SH_TLS_LDO_32 146 | |
33 | #define R_SH_TLS_IE_32 147 | |
34 | #define R_SH_TLS_LE_32 148 | |
35 | #define R_SH_TLS_DTPMOD32 149 | |
36 | #define R_SH_TLS_DTPOFF32 150 | |
37 | #define R_SH_TLS_TPOFF32 151 | |
38 | #define R_SH_GOT32 160 | |
39 | #define R_SH_PLT32 161 | |
40 | #define R_SH_COPY 162 | |
41 | #define R_SH_GLOB_DAT 163 | |
42 | #define R_SH_JMP_SLOT 164 | |
43 | #define R_SH_RELATIVE 165 | |
44 | #define R_SH_GOTOFF 166 | |
45 | #define R_SH_GOTPC 167 | |
b542ad11 PM |
46 | /* SHmedia relocs */ |
47 | #define R_SH_IMM_LOW16 246 | |
48 | #define R_SH_IMM_LOW16_PCREL 247 | |
49 | #define R_SH_IMM_MEDLOW16 248 | |
50 | #define R_SH_IMM_MEDLOW16_PCREL 249 | |
1da177e4 LT |
51 | /* Keep this the last entry. */ |
52 | #define R_SH_NUM 256 | |
53 | ||
54 | /* | |
55 | * ELF register definitions.. | |
56 | */ | |
57 | ||
1da177e4 LT |
58 | typedef unsigned long elf_greg_t; |
59 | ||
60 | #define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t)) | |
61 | typedef elf_greg_t elf_gregset_t[ELF_NGREG]; | |
62 | ||
63 | typedef struct user_fpu_struct elf_fpregset_t; | |
64 | ||
1da177e4 LT |
65 | /* |
66 | * These are used to set parameters in the core dumps. | |
67 | */ | |
68 | #define ELF_CLASS ELFCLASS32 | |
69 | #ifdef __LITTLE_ENDIAN__ | |
70 | #define ELF_DATA ELFDATA2LSB | |
71 | #else | |
72 | #define ELF_DATA ELFDATA2MSB | |
73 | #endif | |
74 | #define ELF_ARCH EM_SH | |
75 | ||
a9f1365e PM |
76 | #ifdef __KERNEL__ |
77 | /* | |
78 | * This is used to ensure we don't load something for the wrong architecture. | |
79 | */ | |
80 | #define elf_check_arch(x) ( (x)->e_machine == EM_SH ) | |
81 | ||
1da177e4 | 82 | #define USE_ELF_CORE_DUMP |
21440cf0 | 83 | #define ELF_EXEC_PAGESIZE PAGE_SIZE |
1da177e4 LT |
84 | |
85 | /* This is the location that an ET_DYN program is loaded if exec'ed. Typical | |
86 | use of this is to invoke "./ld.so someprog" to test out a new version of | |
87 | the loader. We need to make sure that it is out of the way of the program | |
88 | that it will "exec", and that there is sufficient room for the brk. */ | |
89 | ||
90 | #define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3) | |
91 | ||
1da177e4 LT |
92 | #define ELF_CORE_COPY_REGS(_dest,_regs) \ |
93 | memcpy((char *) &_dest, (char *) _regs, \ | |
94 | sizeof(struct pt_regs)); | |
95 | ||
96 | /* This yields a mask that user programs can use to figure out what | |
97 | instruction set this CPU supports. This could be done in user space, | |
98 | but it's not easy, and we've already done it here. */ | |
99 | ||
315bb968 | 100 | #define ELF_HWCAP (boot_cpu_data.flags) |
1da177e4 LT |
101 | |
102 | /* This yields a string that ld.so will use to load implementation | |
103 | specific libraries for optimization. This is more specific in | |
104 | intent than poking at uname or /proc/cpuinfo. | |
105 | ||
106 | For the moment, we have only optimizations for the Intel generations, | |
107 | but that could change... */ | |
108 | ||
a9f1365e | 109 | #define ELF_PLATFORM (utsname()->machine) |
1da177e4 | 110 | |
b542ad11 PM |
111 | #ifdef __SH5__ |
112 | #define ELF_PLAT_INIT(_r, load_addr) \ | |
113 | do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \ | |
114 | _r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \ | |
115 | _r->regs[8]=0; _r->regs[9]=0; _r->regs[10]=0; _r->regs[11]=0; \ | |
116 | _r->regs[12]=0; _r->regs[13]=0; _r->regs[14]=0; _r->regs[15]=0; \ | |
117 | _r->regs[16]=0; _r->regs[17]=0; _r->regs[18]=0; _r->regs[19]=0; \ | |
118 | _r->regs[20]=0; _r->regs[21]=0; _r->regs[22]=0; _r->regs[23]=0; \ | |
119 | _r->regs[24]=0; _r->regs[25]=0; _r->regs[26]=0; _r->regs[27]=0; \ | |
120 | _r->regs[28]=0; _r->regs[29]=0; _r->regs[30]=0; _r->regs[31]=0; \ | |
121 | _r->regs[32]=0; _r->regs[33]=0; _r->regs[34]=0; _r->regs[35]=0; \ | |
122 | _r->regs[36]=0; _r->regs[37]=0; _r->regs[38]=0; _r->regs[39]=0; \ | |
123 | _r->regs[40]=0; _r->regs[41]=0; _r->regs[42]=0; _r->regs[43]=0; \ | |
124 | _r->regs[44]=0; _r->regs[45]=0; _r->regs[46]=0; _r->regs[47]=0; \ | |
125 | _r->regs[48]=0; _r->regs[49]=0; _r->regs[50]=0; _r->regs[51]=0; \ | |
126 | _r->regs[52]=0; _r->regs[53]=0; _r->regs[54]=0; _r->regs[55]=0; \ | |
127 | _r->regs[56]=0; _r->regs[57]=0; _r->regs[58]=0; _r->regs[59]=0; \ | |
128 | _r->regs[60]=0; _r->regs[61]=0; _r->regs[62]=0; \ | |
129 | _r->tregs[0]=0; _r->tregs[1]=0; _r->tregs[2]=0; _r->tregs[3]=0; \ | |
130 | _r->tregs[4]=0; _r->tregs[5]=0; _r->tregs[6]=0; _r->tregs[7]=0; \ | |
131 | _r->sr = SR_FD | SR_MMU; } while (0) | |
132 | #else | |
1da177e4 LT |
133 | #define ELF_PLAT_INIT(_r, load_addr) \ |
134 | do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \ | |
135 | _r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \ | |
136 | _r->regs[8]=0; _r->regs[9]=0; _r->regs[10]=0; _r->regs[11]=0; \ | |
137 | _r->regs[12]=0; _r->regs[13]=0; _r->regs[14]=0; \ | |
138 | _r->sr = SR_FD; } while (0) | |
b542ad11 | 139 | #endif |
1da177e4 | 140 | |
1da177e4 | 141 | #define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT) |
8c65b4a6 | 142 | struct task_struct; |
1da177e4 LT |
143 | extern int dump_task_regs (struct task_struct *, elf_gregset_t *); |
144 | extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *); | |
145 | ||
146 | #define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs) | |
147 | #define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs) | |
1da177e4 | 148 | |
19f9a34f PM |
149 | #ifdef CONFIG_VSYSCALL |
150 | /* vDSO has arch_setup_additional_pages */ | |
151 | #define ARCH_HAS_SETUP_ADDITIONAL_PAGES | |
152 | struct linux_binprm; | |
153 | extern int arch_setup_additional_pages(struct linux_binprm *bprm, | |
154 | int executable_stack); | |
155 | ||
156 | extern unsigned int vdso_enabled; | |
157 | extern void __kernel_vsyscall; | |
158 | ||
159 | #define VDSO_BASE ((unsigned long)current->mm->context.vdso) | |
160 | #define VDSO_SYM(x) (VDSO_BASE + (unsigned long)(x)) | |
161 | ||
cd01204b PM |
162 | #define VSYSCALL_AUX_ENT \ |
163 | if (vdso_enabled) \ | |
164 | NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE); | |
165 | #else | |
166 | #define VSYSCALL_AUX_ENT | |
167 | #endif /* CONFIG_VSYSCALL */ | |
168 | ||
98c4ecde PM |
169 | #ifdef CONFIG_SH_FPU |
170 | #define FPU_AUX_ENT NEW_AUX_ENT(AT_FPUCW, FPSCR_INIT) | |
171 | #else | |
172 | #define FPU_AUX_ENT | |
173 | #endif | |
174 | ||
cd01204b PM |
175 | extern int l1i_cache_shape, l1d_cache_shape, l2_cache_shape; |
176 | ||
4f9a58d7 | 177 | /* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */ |
19f9a34f PM |
178 | #define ARCH_DLINFO \ |
179 | do { \ | |
98c4ecde PM |
180 | /* Optional FPU initialization */ \ |
181 | FPU_AUX_ENT; \ | |
182 | \ | |
cd01204b | 183 | /* Optional vsyscall entry */ \ |
98c4ecde | 184 | VSYSCALL_AUX_ENT; \ |
cd01204b PM |
185 | \ |
186 | /* Cache desc */ \ | |
187 | NEW_AUX_ENT(AT_L1I_CACHESHAPE, l1i_cache_shape); \ | |
188 | NEW_AUX_ENT(AT_L1D_CACHESHAPE, l1d_cache_shape); \ | |
189 | NEW_AUX_ENT(AT_L2_CACHESHAPE, l2_cache_shape); \ | |
19f9a34f | 190 | } while (0) |
19f9a34f | 191 | |
a9f1365e | 192 | #endif /* __KERNEL__ */ |
1da177e4 | 193 | #endif /* __ASM_SH_ELF_H */ |