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labels support in dyngen

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1196 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-01-03 23:44:44 +00:00
parent 0fa85d43d4
commit c46878786a
5 changed files with 73 additions and 26 deletions
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23
dyngen.c
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@ -54,7 +54,7 @@
#define elf_check_arch(x) ( ((x) == EM_386) || ((x) == EM_486) )
#undef ELF_USES_RELOCA
#elif defined(HOST_AMD64)
#elif defined(HOST_X86_64)
#define ELF_CLASS ELFCLASS64
#define ELF_ARCH EM_X86_64
@ -1307,7 +1307,7 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
p_start = text + offset;
p_end = p_start + size;
start_offset = offset;
#if defined(HOST_I386) || defined(HOST_AMD64)
#if defined(HOST_I386) || defined(HOST_X86_64)
#ifdef CONFIG_FORMAT_COFF
{
uint8_t *p;
@ -1482,7 +1482,8 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
sym_name = get_rel_sym_name(rel);
if(!sym_name)
continue;
if (strstart(sym_name, "__op_param", &p)) {
if (strstart(sym_name, "__op_param", &p) ||
strstart(sym_name, "__op_gen_label", &p)) {
n = strtoul(p, NULL, 10);
if (n > MAX_ARGS)
error("too many arguments in %s", name);
@ -1525,7 +1526,8 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
continue;
if (*sym_name &&
!strstart(sym_name, "__op_param", NULL) &&
!strstart(sym_name, "__op_jmp", NULL)) {
!strstart(sym_name, "__op_jmp", NULL) &&
!strstart(sym_name, "__op_gen_label", NULL)) {
#if defined(HOST_SPARC)
if (sym_name[0] == '.') {
fprintf(outfile,
@ -1604,8 +1606,7 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
}
}
#endif
if (val >= start_offset && val < start_offset + copy_size) {
if (val >= start_offset && val <= start_offset + copy_size) {
n = strtol(p, NULL, 10);
fprintf(outfile, " label_offsets[%d] = %ld + (gen_code_ptr - gen_code_buf);\n", n, val - start_offset);
}
@ -1642,6 +1643,8 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
if (strstart(sym_name, "__op_param", &p)) {
snprintf(name, sizeof(name), "param%s", p);
} else if (strstart(sym_name, "__op_gen_label", &p)) {
snprintf(name, sizeof(name), "gen_labels[param%s]", p);
} else {
snprintf(name, sizeof(name), "(long)(&%s)", sym_name);
}
@ -1693,7 +1696,7 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
}
}
}
#elif defined(HOST_AMD64)
#elif defined(HOST_X86_64)
{
char name[256];
int type;
@ -1723,7 +1726,7 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
rel->r_offset - start_offset, name, rel->r_offset - start_offset, addend);
break;
default:
error("unsupported AMD64 relocation (%d)", type);
error("unsupported X86_64 relocation (%d)", type);
}
}
}
@ -2232,7 +2235,7 @@ int gen_file(FILE *outfile, int out_type)
}
} else if (out_type == OUT_GEN_OP) {
/* generate gen_xxx functions */
fprintf(outfile, "#include \"dyngen-op.h\"\n");
for(i = 0, sym = symtab; i < nb_syms; i++, sym++) {
const char *name;
name = get_sym_name(sym);
@ -2250,7 +2253,7 @@ int gen_file(FILE *outfile, int out_type)
fprintf(outfile,
"int dyngen_code(uint8_t *gen_code_buf,\n"
" uint16_t *label_offsets, uint16_t *jmp_offsets,\n"
" const uint16_t *opc_buf, const uint32_t *opparam_buf)\n"
" const uint16_t *opc_buf, const uint32_t *opparam_buf, const long *gen_labels)\n"
"{\n"
" uint8_t *gen_code_ptr;\n"
" const uint16_t *opc_ptr;\n"