Commit a029baa4 authored by ths's avatar ths
Browse files

Restore OS X build (plus code reformatting).


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3081 c046a42c-6fe2-441c-8c8c-71466251a162
parent b6783839
......@@ -2005,91 +2005,90 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
}
}
#elif defined(CONFIG_FORMAT_MACH)
struct scattered_relocation_info *scarel;
struct relocation_info * rel;
char final_sym_name[256];
const char *sym_name;
const char *p;
int slide, sslide;
int i;
for(i = 0, rel = relocs; i < nb_relocs; i++, rel++) {
unsigned int offset, length, value = 0;
unsigned int type, pcrel, isym = 0;
unsigned int usesym = 0;
if(R_SCATTERED & rel->r_address) {
scarel = (struct scattered_relocation_info*)rel;
offset = (unsigned int)scarel->r_address;
length = scarel->r_length;
pcrel = scarel->r_pcrel;
type = scarel->r_type;
value = scarel->r_value;
} else {
value = isym = rel->r_symbolnum;
usesym = (rel->r_extern);
offset = rel->r_address;
length = rel->r_length;
pcrel = rel->r_pcrel;
type = rel->r_type;
}
slide = offset - start_offset;
if (!(offset >= start_offset && offset < start_offset + size))
continue; /* not in our range */
sym_name = get_reloc_name(rel, &sslide);
if(usesym && symtab[isym].n_type & N_STAB)
continue; /* don't handle STAB (debug sym) */
if (sym_name && strstart(sym_name, "__op_jmp", &p)) {
int n;
n = strtol(p, NULL, 10);
fprintf(outfile, " jmp_offsets[%d] = %d + (gen_code_ptr - gen_code_buf);\n",
n, slide);
continue; /* Nothing more to do */
}
if(!sym_name)
{
fprintf(outfile, "/* #warning relocation not handled in %s (value 0x%x, %s, offset 0x%x, length 0x%x, %s, type 0x%x) */\n",
relname, value, usesym ? "use sym" : "don't use sym", offset, length, pcrel ? "pcrel":"", type);
continue; /* dunno how to handle without final_sym_name */
}
get_reloc_expr(final_sym_name, sizeof(final_sym_name),
sym_name);
switch(type) {
case PPC_RELOC_BR24:
if (!strstart(sym_name,"__op_gen_label",&p)) {
fprintf(outfile, "{\n");
fprintf(outfile, " uint32_t imm = *(uint32_t *)(gen_code_ptr + %d) & 0x3fffffc;\n", slide);
fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = (*(uint32_t *)(gen_code_ptr + %d) & ~0x03fffffc) | ((imm + ((long)%s - (long)gen_code_ptr) + %d) & 0x03fffffc);\n",
slide, slide, relname, sslide );
fprintf(outfile, "}\n");
} else {
fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = (*(uint32_t *)(gen_code_ptr + %d) & ~0x03fffffc) | (((long)%s - (long)gen_code_ptr - %d) & 0x03fffffc);\n",
slide, slide, final_sym_name, slide);
}
break;
case PPC_RELOC_HI16:
fprintf(outfile, " *(uint16_t *)(gen_code_ptr + %d + 2) = (%s + %d) >> 16;\n",
slide, final_sym_name, sslide);
break;
case PPC_RELOC_LO16:
fprintf(outfile, " *(uint16_t *)(gen_code_ptr + %d + 2) = (%s + %d);\n",
slide, final_sym_name, sslide);
struct scattered_relocation_info *scarel;
struct relocation_info * rel;
char final_sym_name[256];
const char *sym_name;
const char *p;
int slide, sslide;
int i;
for(i = 0, rel = relocs; i < nb_relocs; i++, rel++) {
unsigned int offset, length, value = 0;
unsigned int type, pcrel, isym = 0;
unsigned int usesym = 0;
if(R_SCATTERED & rel->r_address) {
scarel = (struct scattered_relocation_info*)rel;
offset = (unsigned int)scarel->r_address;
length = scarel->r_length;
pcrel = scarel->r_pcrel;
type = scarel->r_type;
value = scarel->r_value;
} else {
value = isym = rel->r_symbolnum;
usesym = (rel->r_extern);
offset = rel->r_address;
length = rel->r_length;
pcrel = rel->r_pcrel;
type = rel->r_type;
}
slide = offset - start_offset;
if (!(offset >= start_offset && offset < start_offset + size))
continue; /* not in our range */
sym_name = get_reloc_name(rel, &sslide);
if(usesym && symtab[isym].n_type & N_STAB)
continue; /* don't handle STAB (debug sym) */
if (sym_name && strstart(sym_name, "__op_jmp", &p)) {
int n;
n = strtol(p, NULL, 10);
fprintf(outfile, " jmp_offsets[%d] = %d + (gen_code_ptr - gen_code_buf);\n",
n, slide);
continue; /* Nothing more to do */
}
if(!sym_name) {
fprintf(outfile, "/* #warning relocation not handled in %s (value 0x%x, %s, offset 0x%x, length 0x%x, %s, type 0x%x) */\n",
name, value, usesym ? "use sym" : "don't use sym", offset, length, pcrel ? "pcrel":"", type);
continue; /* dunno how to handle without final_sym_name */
}
get_reloc_expr(final_sym_name, sizeof(final_sym_name),
sym_name);
switch(type) {
case PPC_RELOC_BR24:
if (!strstart(sym_name,"__op_gen_label",&p)) {
fprintf(outfile, "{\n");
fprintf(outfile, " uint32_t imm = *(uint32_t *)(gen_code_ptr + %d) & 0x3fffffc;\n", slide);
fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = (*(uint32_t *)(gen_code_ptr + %d) & ~0x03fffffc) | ((imm + ((long)%s - (long)gen_code_ptr) + %d) & 0x03fffffc);\n",
slide, slide, name, sslide);
fprintf(outfile, "}\n");
} else {
fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = (*(uint32_t *)(gen_code_ptr + %d) & ~0x03fffffc) | (((long)%s - (long)gen_code_ptr - %d) & 0x03fffffc);\n",
slide, slide, final_sym_name, slide);
}
break;
case PPC_RELOC_HA16:
fprintf(outfile, " *(uint16_t *)(gen_code_ptr + %d + 2) = (%s + %d + 0x8000) >> 16;\n",
slide, final_sym_name, sslide);
break;
default:
error("unsupported powerpc relocation (%d)", type);
}
}
case PPC_RELOC_HI16:
fprintf(outfile, " *(uint16_t *)(gen_code_ptr + %d + 2) = (%s + %d) >> 16;\n",
slide, final_sym_name, sslide);
break;
case PPC_RELOC_LO16:
fprintf(outfile, " *(uint16_t *)(gen_code_ptr + %d + 2) = (%s + %d);\n",
slide, final_sym_name, sslide);
break;
case PPC_RELOC_HA16:
fprintf(outfile, " *(uint16_t *)(gen_code_ptr + %d + 2) = (%s + %d + 0x8000) >> 16;\n",
slide, final_sym_name, sslide);
break;
default:
error("unsupported powerpc relocation (%d)", type);
}
}
#else
#error unsupport object format
#endif
......
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