4 #include <asm/auxvec.h>
5 #include <asm/ptrace.h>
8 /* SH (particularly SHcompact) relocation types */
12 #define R_SH_DIR8WPN 3
14 #define R_SH_DIR8WPL 5
15 #define R_SH_DIR8WPZ 6
19 #define R_SH_SWITCH16 25
20 #define R_SH_SWITCH32 26
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
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
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
51 /* Keep this the last entry. */
55 * ELF register definitions..
58 typedef unsigned long elf_greg_t;
60 #define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
61 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
63 typedef struct user_fpu_struct elf_fpregset_t;
66 * These are used to set parameters in the core dumps.
68 #define ELF_CLASS ELFCLASS32
69 #ifdef __LITTLE_ENDIAN__
70 #define ELF_DATA ELFDATA2LSB
72 #define ELF_DATA ELFDATA2MSB
74 #define ELF_ARCH EM_SH
78 * This is used to ensure we don't load something for the wrong architecture.
80 #define elf_check_arch(x) ( (x)->e_machine == EM_SH )
82 #define USE_ELF_CORE_DUMP
83 #define ELF_EXEC_PAGESIZE PAGE_SIZE
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. */
90 #define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
92 #define ELF_CORE_COPY_REGS(_dest,_regs) \
93 memcpy((char *) &_dest, (char *) _regs, \
94 sizeof(struct pt_regs));
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. */
100 #define ELF_HWCAP (boot_cpu_data.flags)
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.
106 For the moment, we have only optimizations for the Intel generations,
107 but that could change... */
109 #define ELF_PLATFORM (utsname()->machine)
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)
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)
141 #define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT)
143 extern int dump_task_regs (struct task_struct *, elf_gregset_t *);
144 extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *);
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)
149 #ifdef CONFIG_VSYSCALL
150 /* vDSO has arch_setup_additional_pages */
151 #define ARCH_HAS_SETUP_ADDITIONAL_PAGES
153 extern int arch_setup_additional_pages(struct linux_binprm *bprm,
154 int executable_stack);
156 extern unsigned int vdso_enabled;
157 extern void __kernel_vsyscall;
159 #define VDSO_BASE ((unsigned long)current->mm->context.vdso)
160 #define VDSO_SYM(x) (VDSO_BASE + (unsigned long)(x))
162 #define VSYSCALL_AUX_ENT \
164 NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE);
166 #define VSYSCALL_AUX_ENT
167 #endif /* CONFIG_VSYSCALL */
170 #define FPU_AUX_ENT NEW_AUX_ENT(AT_FPUCW, FPSCR_INIT)
175 extern int l1i_cache_shape, l1d_cache_shape, l2_cache_shape;
177 /* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */
178 #define ARCH_DLINFO \
180 /* Optional FPU initialization */ \
183 /* Optional vsyscall entry */ \
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); \
192 #endif /* __KERNEL__ */
193 #endif /* __ASM_SH_ELF_H */