1 #ifndef __ASMm68k_ELF_H
2 #define __ASMm68k_ELF_H
5 * ELF register definitions..
8 #include <asm/ptrace.h>
12 * 68k ELF relocation types
24 #define R_68K_GOT32O 10
25 #define R_68K_GOT16O 11
26 #define R_68K_GOT8O 12
27 #define R_68K_PLT32 13
28 #define R_68K_PLT16 14
30 #define R_68K_PLT32O 16
31 #define R_68K_PLT16O 17
32 #define R_68K_PLT8O 18
34 #define R_68K_GLOB_DAT 20
35 #define R_68K_JMP_SLOT 21
36 #define R_68K_RELATIVE 22
37 /* TLS static relocations */
38 #define R_68K_TLS_GD32 25
39 #define R_68K_TLS_GD16 26
40 #define R_68K_TLS_GD8 27
41 #define R_68K_TLS_LDM32 28
42 #define R_68K_TLS_LDM16 29
43 #define R_68K_TLS_LDM8 30
44 #define R_68K_TLS_LDO32 31
45 #define R_68K_TLS_LDO16 32
46 #define R_68K_TLS_LDO8 33
47 #define R_68K_TLS_IE32 34
48 #define R_68K_TLS_IE16 35
49 #define R_68K_TLS_IE8 36
50 #define R_68K_TLS_LE32 37
51 #define R_68K_TLS_LE16 38
52 #define R_68K_TLS_LE8 39
53 /* TLS dynamic relocations */
54 #define R_68K_TLS_DTPMOD32 40
55 #define R_68K_TLS_DTPREL32 41
56 #define R_68K_TLS_TPREL32 42
57 typedef unsigned long elf_greg_t;
59 #define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t))
60 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
62 typedef struct user_m68kfp_struct elf_fpregset_t;
65 * This is used to ensure we don't load something for the wrong architecture.
67 #define elf_check_arch(x) ((x)->e_machine == EM_68K)
70 * These are used to set parameters in the core dumps.
72 #define ELF_CLASS ELFCLASS32
73 #define ELF_DATA ELFDATA2MSB
74 #define ELF_ARCH EM_68K
76 /* For SVR4/m68k the function pointer to be registered with `atexit' is
77 passed in %a1. Although my copy of the ABI has no such statement, it
78 is actually used on ASV. */
79 #define ELF_PLAT_INIT(_r, load_addr) _r->a1 = 0
81 // ColdFire cache requires at least 8 kB pages
83 #if !defined(CONFIG_SUN3) && !defined(CONFIG_COLDFIRE)
84 #define ELF_EXEC_PAGESIZE 4096
86 #define ELF_EXEC_PAGESIZE 8192
89 /* This is the location that an ET_DYN program is loaded if exec'ed. Typical
90 use of this is to invoke "./ld.so someprog" to test out a new version of
91 the loader. We need to make sure that it is out of the way of the program
92 that it will "exec", and that there is sufficient room for the brk. */
95 #define ELF_ET_DYN_BASE 0xD0000000UL
97 #define ELF_ET_DYN_BASE 0x0D800000UL
100 #define ELF_CORE_COPY_REGS(pr_reg, regs) \
102 pr_reg[0] = regs->d1; \
103 pr_reg[1] = regs->d2; \
104 pr_reg[2] = regs->d3; \
105 pr_reg[3] = regs->d4; \
106 pr_reg[4] = regs->d5; \
107 pr_reg[7] = regs->a0; \
108 pr_reg[8] = regs->a1; \
109 pr_reg[9] = regs->a2; \
110 pr_reg[14] = regs->d0; \
111 pr_reg[15] = rdusp(); \
112 pr_reg[16] = regs->orig_d0; \
113 pr_reg[17] = regs->sr; \
114 pr_reg[18] = regs->pc; \
115 pr_reg[19] = (regs->format << 12) | regs->vector; \
117 struct switch_stack *sw = ((struct switch_stack *)regs) - 1; \
118 pr_reg[5] = sw->d6; \
119 pr_reg[6] = sw->d7; \
120 pr_reg[10] = sw->a3; \
121 pr_reg[11] = sw->a4; \
122 pr_reg[12] = sw->a5; \
123 pr_reg[13] = sw->a6; \
126 /* This yields a mask that user programs can use to figure out what
127 instruction set this cpu supports. */
129 #define ELF_HWCAP (0)
131 /* This yields a string that ld.so will use to load implementation
132 specific libraries for optimization. This is more specific in
133 intent than poking at uname or /proc/cpuinfo. */
135 #define ELF_PLATFORM (NULL)
137 #define SET_PERSONALITY(ex) set_personality(PER_LINUX)
142 #ifdef CONFIG_VSYSCALL
143 extern unsigned int vdso_enabled;
145 #define VDSO_BASE ((unsigned long)current->mm->context.vdso)
146 #define VDSO_SYM(x) (VDSO_BASE + (unsigned long)(x))
148 #define VSYSCALL_AUX_ENT \
150 NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE);
152 /* additional pages */
153 #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
156 extern int arch_setup_additional_pages(struct linux_binprm *bprm,
157 int executable_stack);
160 /* no VSYSCALL_AUX_ENT */
161 #define VSYSCALL_AUX_ENT
164 #define ARCH_DLINFO \
166 /* vsyscall entry */ \