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117 lines
3.1 KiB
117 lines
3.1 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef __ASMm68k_ELF_H |
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#define __ASMm68k_ELF_H |
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/* |
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* ELF register definitions.. |
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*/ |
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#include <asm/ptrace.h> |
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#include <asm/user.h> |
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/* |
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* 68k ELF relocation types |
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*/ |
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#define R_68K_NONE 0 |
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#define R_68K_32 1 |
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#define R_68K_16 2 |
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#define R_68K_8 3 |
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#define R_68K_PC32 4 |
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#define R_68K_PC16 5 |
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#define R_68K_PC8 6 |
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#define R_68K_GOT32 7 |
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#define R_68K_GOT16 8 |
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#define R_68K_GOT8 9 |
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#define R_68K_GOT32O 10 |
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#define R_68K_GOT16O 11 |
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#define R_68K_GOT8O 12 |
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#define R_68K_PLT32 13 |
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#define R_68K_PLT16 14 |
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#define R_68K_PLT8 15 |
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#define R_68K_PLT32O 16 |
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#define R_68K_PLT16O 17 |
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#define R_68K_PLT8O 18 |
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#define R_68K_COPY 19 |
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#define R_68K_GLOB_DAT 20 |
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#define R_68K_JMP_SLOT 21 |
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#define R_68K_RELATIVE 22 |
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typedef unsigned long elf_greg_t; |
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#define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t)) |
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typedef elf_greg_t elf_gregset_t[ELF_NGREG]; |
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typedef struct user_m68kfp_struct elf_fpregset_t; |
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/* |
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* This is used to ensure we don't load something for the wrong architecture. |
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*/ |
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#define elf_check_arch(x) ((x)->e_machine == EM_68K) |
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/* |
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* These are used to set parameters in the core dumps. |
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*/ |
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#define ELF_CLASS ELFCLASS32 |
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#define ELF_DATA ELFDATA2MSB |
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#define ELF_ARCH EM_68K |
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/* For SVR4/m68k the function pointer to be registered with `atexit' is |
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passed in %a1. Although my copy of the ABI has no such statement, it |
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is actually used on ASV. */ |
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#define ELF_PLAT_INIT(_r, load_addr) _r->a1 = 0 |
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#if defined(CONFIG_SUN3) || defined(CONFIG_COLDFIRE) |
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#define ELF_EXEC_PAGESIZE 8192 |
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#else |
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#define ELF_EXEC_PAGESIZE 4096 |
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#endif |
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/* This is the location that an ET_DYN program is loaded if exec'ed. Typical |
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use of this is to invoke "./ld.so someprog" to test out a new version of |
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the loader. We need to make sure that it is out of the way of the program |
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that it will "exec", and that there is sufficient room for the brk. */ |
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#ifndef CONFIG_SUN3 |
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#define ELF_ET_DYN_BASE 0xD0000000UL |
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#else |
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#define ELF_ET_DYN_BASE 0x0D800000UL |
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#endif |
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#define ELF_CORE_COPY_REGS(pr_reg, regs) \ |
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/* Bleech. */ \ |
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pr_reg[0] = regs->d1; \ |
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pr_reg[1] = regs->d2; \ |
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pr_reg[2] = regs->d3; \ |
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pr_reg[3] = regs->d4; \ |
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pr_reg[4] = regs->d5; \ |
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pr_reg[7] = regs->a0; \ |
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pr_reg[8] = regs->a1; \ |
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pr_reg[9] = regs->a2; \ |
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pr_reg[14] = regs->d0; \ |
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pr_reg[15] = rdusp(); \ |
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pr_reg[16] = regs->orig_d0; \ |
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pr_reg[17] = regs->sr; \ |
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pr_reg[18] = regs->pc; \ |
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pr_reg[19] = (regs->format << 12) | regs->vector; \ |
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{ \ |
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struct switch_stack *sw = ((struct switch_stack *)regs) - 1; \ |
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pr_reg[5] = sw->d6; \ |
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pr_reg[6] = sw->d7; \ |
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pr_reg[10] = sw->a3; \ |
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pr_reg[11] = sw->a4; \ |
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pr_reg[12] = sw->a5; \ |
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pr_reg[13] = sw->a6; \ |
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} |
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/* This yields a mask that user programs can use to figure out what |
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instruction set this cpu supports. */ |
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#define ELF_HWCAP (0) |
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/* This yields a string that ld.so will use to load implementation |
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specific libraries for optimization. This is more specific in |
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intent than poking at uname or /proc/cpuinfo. */ |
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#define ELF_PLATFORM (NULL) |
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#endif
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