#define elf_check_arch(x) ((x) == EM_68K)
#define ELF_USES_RELOCA
+#elif defined(HOST_MIPS)
+
+#define ELF_CLASS ELFCLASS32
+#define ELF_ARCH EM_MIPS
+#define elf_check_arch(x) ((x) == EM_MIPS)
+#define ELF_USES_RELOC
+
+#elif defined(HOST_MIPS64)
+
+/* Assume n32 ABI here, which is ELF32. */
+#define ELF_CLASS ELFCLASS32
+#define ELF_ARCH EM_MIPS
+#define elf_check_arch(x) ((x) == EM_MIPS)
+#define ELF_USES_RELOCA
+
#else
#error unsupported CPU - please update the code
#endif
error("rts expected at the end of %s", name);
copy_size = p - p_start;
}
+#elif defined(HOST_MIPS) || defined(HOST_MIPS64)
+ {
+#define INSN_RETURN 0x03e00008
+#define INSN_NOP 0x00000000
+
+ uint8_t *p = p_end;
+
+ if (p < (p_start + 0x8)) {
+ error("empty code for %s", name);
+ } else {
+ uint32_t end_insn1, end_insn2;
+
+ p -= 0x8;
+ end_insn1 = get32((uint32_t *)(p + 0x0));
+ end_insn2 = get32((uint32_t *)(p + 0x4));
+ if (end_insn1 != INSN_RETURN && end_insn2 != INSN_NOP)
+ error("jr ra not found at end of %s", name);
+ }
+ copy_size = p - p_start;
+ }
#else
#error unsupported CPU
#endif
}
#endif
#if defined(__APPLE__)
-/* set __attribute((unused)) on darwin because we wan't to avoid warning when we don't use the symbol */
- fprintf(outfile, "extern char %s __attribute__((unused));\n", sym_name);
+ /* Set __attribute((unused)) on darwin because we
+ want to avoid warning when we don't use the symbol. */
+ fprintf(outfile, " extern char %s __attribute__((unused));\n", sym_name);
#elif defined(HOST_IA64)
if (ELF64_R_TYPE(rel->r_info) != R_IA64_PCREL21B)
/*
}
}
- /* load parameres in variables */
+ /* load parameters in variables */
for(i = 0; i < nb_args; i++) {
fprintf(outfile, " param%d = *opparam_ptr++;\n", i + 1);
}
}
}
}
+#elif defined(HOST_MIPS) || defined(HOST_MIPS64)
+ {
+ for (i = 0, rel = relocs; i < nb_relocs; i++, rel++) {
+ if (rel->r_offset >= start_offset && rel->r_offset < start_offset + copy_size) {
+ char name[256];
+ int type;
+ int addend;
+ int reloc_offset;
+
+ sym_name = strtab + symtab[ELF32_R_SYM(rel->r_info)].st_name;
+ /* the compiler leave some unnecessary references to the code */
+ if (sym_name[0] == '\0')
+ continue;
+ get_reloc_expr(name, sizeof(name), sym_name);
+ type = ELF32_R_TYPE(rel->r_info);
+ addend = get32((uint32_t *)(text + rel->r_offset));
+ reloc_offset = rel->r_offset - start_offset;
+ switch (type) {
+ case R_MIPS_26:
+ fprintf(outfile, " /* R_MIPS_26 RELOC, offset 0x%x, name %s */\n",
+ rel->r_offset, sym_name);
+ fprintf(outfile,
+ " *(uint32_t *)(gen_code_ptr + 0x%x) = "
+ "(0x%x & ~0x3fffff) "
+ "| ((0x%x + ((%s - (*(uint32_t *)(gen_code_ptr + 0x%x))) >> 2)) "
+ " & 0x3fffff);\n",
+ reloc_offset, addend, addend, name, reloc_offset);
+ break;
+ case R_MIPS_HI16:
+ fprintf(outfile, " /* R_MIPS_HI16 RELOC, offset 0x%x, name %s */\n",
+ rel->r_offset, sym_name);
+ fprintf(outfile,
+ " *(uint32_t *)(gen_code_ptr + 0x%x) = "
+ "((*(uint32_t *)(gen_code_ptr + 0x%x)) "
+ " & ~0xffff) "
+ " | (((%s - 0x8000) >> 16) & 0xffff);\n",
+ reloc_offset, reloc_offset, name);
+ break;
+ case R_MIPS_LO16:
+ fprintf(outfile, " /* R_MIPS_LO16 RELOC, offset 0x%x, name %s */\n",
+ rel->r_offset, sym_name);
+ fprintf(outfile,
+ " *(uint32_t *)(gen_code_ptr + 0x%x) = "
+ "((*(uint32_t *)(gen_code_ptr + 0x%x)) "
+ " & ~0xffff) "
+ " | (%s & 0xffff);\n",
+ reloc_offset, reloc_offset, name);
+ break;
+ case R_MIPS_PC16:
+ fprintf(outfile, " /* R_MIPS_PC16 RELOC, offset 0x%x, name %s */\n",
+ rel->r_offset, sym_name);
+ fprintf(outfile,
+ " *(uint32_t *)(gen_code_ptr + 0x%x) = "
+ "(0x%x & ~0xffff) "
+ "| ((0x%x + ((%s - (*(uint32_t *)(gen_code_ptr + 0x%x))) >> 2)) "
+ " & 0xffff);\n",
+ reloc_offset, addend, addend, name, reloc_offset);
+ break;
+ case R_MIPS_GOT16:
+ case R_MIPS_CALL16:
+ fprintf(outfile, " /* R_MIPS_GOT16 RELOC, offset 0x%x, name %s */\n",
+ rel->r_offset, sym_name);
+ fprintf(outfile,
+ " *(uint32_t *)(gen_code_ptr + 0x%x) = "
+ "((*(uint32_t *)(gen_code_ptr + 0x%x)) "
+ " & ~0xffff) "
+ " | (((%s - 0x8000) >> 16) & 0xffff);\n",
+ reloc_offset, reloc_offset, name);
+ break;
+ default:
+ error("unsupported MIPS relocation (%d)", type);
+ }
+ }
+ }
+ }
#else
#error unsupported CPU
#endif