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added support for direct patching on i386 host (faster emulation)

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@516 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-01-04 17:45:05 +00:00
parent 513b500f75
commit ecd854fdb4
1 changed files with 12 additions and 0 deletions
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12
dyngen.c
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@ -729,6 +729,18 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
if (rel->r_offset >= start_offset &&
rel->r_offset < start_offset + copy_size) {
sym_name = strtab + symtab[ELFW(R_SYM)(rel->r_info)].st_name;
if (strstart(sym_name, "__op_jmp", &p)) {
int n;
n = strtol(p, NULL, 10);
/* __op_jmp relocations are done at
runtime to do translated block
chaining: the offset of the instruction
needs to be stored */
fprintf(outfile, " jmp_offsets[%d] = %d + (gen_code_ptr - gen_code_buf);\n",
n, rel->r_offset - start_offset);
continue;
}
if (strstart(sym_name, "__op_param", &p)) {
snprintf(name, sizeof(name), "param%s", p);
} else {