/*
* Generic Dynamic compiler generator
- *
+ *
* Copyright (c) 2003 Fabrice Bellard
*
* The COFF object format support was extracted from Kazu's QEMU port
struct nlist_extended
{
union {
- char *n_name;
- long n_strx;
+ char *n_name;
+ long n_strx;
} n_un;
- unsigned char n_type;
- unsigned char n_sect;
+ unsigned char n_type;
+ unsigned char n_sect;
short st_desc;
unsigned long st_value;
unsigned long st_size;
} swaptest;
swaptest.i = 1;
- return (h->e_ident[EI_DATA] == ELFDATA2MSB) !=
+ return (h->e_ident[EI_DATA] == ELFDATA2MSB) !=
(swaptest.b[0] == 0);
}
-
+
void elf_swap_ehdr(struct elfhdr *h)
{
swab16s(&h->e_type); /* Object file type */
#endif
}
-struct elf_shdr *find_elf_section(struct elf_shdr *shdr, int shnum, const char *shstr,
+struct elf_shdr *find_elf_section(struct elf_shdr *shdr, int shnum, const char *shstr,
const char *name)
{
int i;
for(i = 0; i < ehdr.e_shnum; i++) {
sec = &shdr[i];
- if (sec->sh_type == SHT_RELOC && sec->sh_info == sh_index)
+ if (sec->sh_type == SHT_RELOC && sec->sh_info == sh_index)
return i;
}
return 0;
ElfW(Sym) *sym;
char *shstr;
ELF_RELOC *rel;
-
+
fd = open(filename, O_RDONLY);
- if (fd < 0)
+ if (fd < 0)
error("can't open file '%s'", filename);
-
+
/* Read ELF header. */
if (read(fd, &ehdr, sizeof (ehdr)) != sizeof (ehdr))
error("unable to read file header");
/* read all section data */
sdata = malloc(sizeof(void *) * ehdr.e_shnum);
memset(sdata, 0, sizeof(void *) * ehdr.e_shnum);
-
+
for(i = 0;i < ehdr.e_shnum; i++) {
sec = &shdr[i];
if (sec->sh_type != SHT_NOBITS)
symtab = (ElfW(Sym) *)sdata[symtab_sec - shdr];
strtab = (char *)sdata[symtab_sec->sh_link];
-
+
nb_syms = symtab_sec->sh_size / sizeof(ElfW(Sym));
if (do_swap) {
for(i = 0, sym = symtab; i < nb_syms; i++, sym++) {
{
char *q;
int c, i, len;
-
+
if (ext_sym->e.e.e_zeroes != 0) {
q = sym->st_name;
for(i = 0; i < 8; i++) {
if (sym->st_syment->e_scnum == data_shndx &&
text_data >= sym->st_value &&
text_data < sym->st_value + sym->st_size) {
-
+
return sym->st_name;
}
uint32_t *n_strtab;
EXE_SYM *sym;
EXE_RELOC *rel;
-
- fd = open(filename, O_RDONLY
+
+ fd = open(filename, O_RDONLY
#ifdef _WIN32
| O_BINARY
#endif
);
- if (fd < 0)
+ if (fd < 0)
error("can't open file '%s'", filename);
-
+
/* Read COFF header. */
if (read(fd, &fhdr, sizeof (fhdr)) != sizeof (fhdr))
error("unable to read file header");
/* read section headers */
shdr = load_data(fd, sizeof(struct external_filehdr) + fhdr.f_opthdr, fhdr.f_nscns * sizeof(struct external_scnhdr));
-
+
/* read all section data */
sdata = malloc(sizeof(void *) * fhdr.f_nscns);
memset(sdata, 0, sizeof(void *) * fhdr.f_nscns);
-
+
const char *p;
for(i = 0;i < fhdr.f_nscns; i++) {
sec = &shdr[i];
if (!data_sec)
error("could not find .data section");
coff_data_shndx = data_sec - shdr;
-
+
coff_symtab = load_data(fd, fhdr.f_symptr, fhdr.f_nsyms*SYMESZ);
for (i = 0, ext_sym = coff_symtab; i < nb_syms; i++, ext_sym++) {
for(i=0;i<8;i++)
n_strtab = load_data(fd, (fhdr.f_symptr + fhdr.f_nsyms*SYMESZ), STRTAB_SIZE);
- strtab = load_data(fd, (fhdr.f_symptr + fhdr.f_nsyms*SYMESZ), *n_strtab);
-
+ strtab = load_data(fd, (fhdr.f_symptr + fhdr.f_nsyms*SYMESZ), *n_strtab);
+
nb_syms = fhdr.f_nsyms;
for (i = 0, ext_sym = coff_symtab; i < nb_syms; i++, ext_sym++) {
} else {
sym->st_size = 0;
}
-
+
sym->st_type = ext_sym->e_type;
sym->st_shndx = ext_sym->e_scnum;
}
-
+
/* find text relocations, if any */
sec = &shdr[coff_text_shndx];
coff_relocs = load_data(fd, sec->s_relptr, sec->s_nreloc*RELSZ);
/* set coff relocation */
relocs = malloc(sizeof(struct coff_rel) * nb_relocs);
- for (i = 0, ext_rel = coff_relocs, rel = relocs; i < nb_relocs;
+ for (i = 0, ext_rel = coff_relocs, rel = relocs; i < nb_relocs;
i++, ext_rel++, rel++) {
memset(rel, 0, sizeof(*rel));
rel->r_reloc = ext_rel;
/* relocs */
struct relocation_info *relocs;
-
+
/* symbols */
EXE_SYM *symtab;
struct nlist *symtab_std;
static char *get_sym_name(EXE_SYM *sym)
{
char *name = find_str_by_index(sym->n_un.n_strx);
-
+
if ( sym->n_type & N_STAB ) /* Debug symbols are ignored */
return "debug";
-
+
if(!name)
return name;
if(name[0]=='_')
}
/* find a section index given its segname, sectname */
-static int find_mach_sec_index(struct section *section_hdr, int shnum, const char *segname,
+static int find_mach_sec_index(struct section *section_hdr, int shnum, const char *segname,
const char *sectname)
{
int i;
}
/* find a section header given its segname, sectname */
-struct section *find_mach_sec_hdr(struct section *section_hdr, int shnum, const char *segname,
+struct section *find_mach_sec_hdr(struct section *section_hdr, int shnum, const char *segname,
const char *sectname)
{
int index = find_mach_sec_index(section_hdr, shnum, segname, sectname);
static inline void fetch_next_pair_value(struct relocation_info * rel, unsigned int *value)
{
struct scattered_relocation_info * scarel;
-
+
if(R_SCATTERED & rel->r_address) {
scarel = (struct scattered_relocation_info*)rel;
if(scarel->r_type != PPC_RELOC_PAIR)
static const char * find_sym_with_value_and_sec_number( int value, int sectnum, int * offset )
{
int i, ret = -1;
-
+
for( i = 0 ; i < nb_syms; i++ )
{
if( !(symtab[i].n_type & N_STAB) && (symtab[i].n_type & N_SECT) &&
}
}
-/*
- * Find symbol name given a (virtual) address, and a section which is of type
+/*
+ * Find symbol name given a (virtual) address, and a section which is of type
* S_NON_LAZY_SYMBOL_POINTERS or S_LAZY_SYMBOL_POINTERS or S_SYMBOL_STUBS
*/
static const char * find_reloc_name_in_sec_ptr(int address, struct section * sec_hdr)
{
unsigned int tocindex, symindex, size;
const char *name = 0;
-
+
/* Sanity check */
if(!( address >= sec_hdr->addr && address < (sec_hdr->addr + sec_hdr->size) ) )
return (char*)0;
-
+
if( sec_hdr->flags & S_SYMBOL_STUBS ){
size = sec_hdr->reserved2;
if(size == 0)
error("size = 0");
-
+
}
else if( sec_hdr->flags & S_LAZY_SYMBOL_POINTERS ||
sec_hdr->flags & S_NON_LAZY_SYMBOL_POINTERS)
size = sizeof(unsigned long);
else
return 0;
-
+
/* Compute our index in toc */
tocindex = (address - sec_hdr->addr)/size;
symindex = tocdylib[sec_hdr->reserved1 + tocindex];
-
+
name = get_sym_name(&symtab[symindex]);
return name;
int sectnum = rel->r_symbolnum;
int sectoffset;
int other_half=0;
-
+
/* init the slide value */
*sslide = 0;
-
+
if(R_SCATTERED & rel->r_address)
return (char *)find_reloc_name_given_its_address(sca_rel->r_value);
if(rel->r_extern)
{
/* ignore debug sym */
- if ( symtab[rel->r_symbolnum].n_type & N_STAB )
+ if ( symtab[rel->r_symbolnum].n_type & N_STAB )
return 0;
return get_sym_name(&symtab[rel->r_symbolnum]);
}
/* Intruction contains an offset to the symbols pointed to, in the rel->r_symbolnum section */
sectoffset = *(uint32_t *)(text + rel->r_address) & 0xffff;
-
+
if(sectnum==0xffffff)
return 0;
if(rel->r_pcrel)
sectoffset += rel->r_address;
-
+
if (rel->r_type == PPC_RELOC_BR24)
name = (char *)find_reloc_name_in_sec_ptr((int)sectoffset, §ion_hdr[sectnum-1]);
/* search it in the full symbol list, if not found */
if(!name)
name = (char *)find_sym_with_value_and_sec_number(sectoffset, sectnum, sslide);
-
+
return name;
}
unsigned int i, j;
EXE_SYM *sym;
struct nlist *syment;
-
+
fd = open(filename, O_RDONLY);
- if (fd < 0)
+ if (fd < 0)
error("can't open file '%s'", filename);
-
+
/* Read Mach header. */
if (read(fd, &mach_hdr, sizeof (mach_hdr)) != sizeof (mach_hdr))
error("unable to read file header");
if (!check_mach_header(mach_hdr)) {
error("bad Mach header");
}
-
+
if (mach_hdr.cputype != CPU_TYPE_POWERPC)
error("Unsupported CPU");
-
+
if (mach_hdr.filetype != MH_OBJECT)
error("Unsupported Mach Object");
-
+
/* read segment headers */
for(i=0, j=sizeof(mach_hdr); i<mach_hdr.ncmds ; i++)
{
/* read all section data */
sdata = (uint8_t **)malloc(sizeof(void *) * segment->nsects);
memset(sdata, 0, sizeof(void *) * segment->nsects);
-
+
/* Load the data in section data */
for(i = 0; i < segment->nsects; i++) {
sdata[i] = load_data(fd, section_hdr[i].offset, section_hdr[i].size);
}
-
+
/* text section */
text_sec_hdr = find_mach_sec_hdr(section_hdr, segment->nsects, SEG_TEXT, SECT_TEXT);
i = find_mach_sec_index(section_hdr, segment->nsects, SEG_TEXT, SECT_TEXT);
if (i == -1 || !text_sec_hdr)
error("could not find __TEXT,__text section");
text = sdata[i];
-
+
/* Make sure dysym was loaded */
if(!(int)dysymtabcmd)
error("could not find __DYSYMTAB segment");
-
+
/* read the table of content of the indirect sym */
tocdylib = load_data( fd, dysymtabcmd->indirectsymoff, dysymtabcmd->nindirectsyms * sizeof(uint32_t) );
-
+
/* Make sure symtab was loaded */
if(!(int)symtabcmd)
error("could not find __SYMTAB segment");
symtab_std = load_data(fd, symtabcmd->symoff, symtabcmd->nsyms * sizeof(struct nlist));
strtab = load_data(fd, symtabcmd->stroff, symtabcmd->strsize);
-
+
symtab = malloc(sizeof(EXE_SYM) * nb_syms);
-
+
/* Now transform the symtab, to an extended version, with the sym size, and the C name */
for(i = 0, sym = symtab, syment = symtab_std; i < nb_syms; i++, sym++, syment++) {
struct nlist *sym_follow, *sym_next = 0;
unsigned int j;
memset(sym, 0, sizeof(*sym));
-
+
if ( syment->n_type & N_STAB ) /* Debug symbols are skipped */
continue;
-
+
memcpy(sym, syment, sizeof(*syment));
-
+
/* Find the following symbol in order to get the current symbol size */
for(j = 0, sym_follow = symtab_std; j < nb_syms; j++, sym_follow++) {
if ( sym_follow->n_sect != 1 || sym_follow->n_type & N_STAB || !(sym_follow->n_value > sym->st_value))
else
sym->st_size = text_sec_hdr->size - sym->st_value;
}
-
+
/* Find Reloc */
relocs = load_data(fd, text_sec_hdr->reloff, text_sec_hdr->nreloc * sizeof(struct relocation_info));
nb_relocs = text_sec_hdr->nreloc;
uint8_t data_allocated[1024];
unsigned int data_index;
int type;
-
+
memset(data_allocated, 0, sizeof(data_allocated));
-
+
p = p_start;
min_offset = p_end - p_start;
spare = 0x7fffffff;
if (spare > max_pool - offset)
spare = max_pool - offset;
if ((offset & 3) !=0)
- error("%s:%04x: pc offset must be 32 bit aligned",
+ error("%s:%04x: pc offset must be 32 bit aligned",
name, start_offset + p - p_start);
if (offset < 0)
error("%s:%04x: Embedded literal value",
name, start_offset + p - p_start);
pc_offset = p - p_start + offset + 8;
- if (pc_offset <= (p - p_start) ||
+ if (pc_offset <= (p - p_start) ||
pc_offset >= (p_end - p_start))
- error("%s:%04x: pc offset must point inside the function code",
+ error("%s:%04x: pc offset must point inside the function code",
name, start_offset + p - p_start);
if (pc_offset < min_offset)
min_offset = pc_offset;
if (outfile) {
/* The intruction position */
- fprintf(outfile, " arm_ldr_ptr->ptr = gen_code_ptr + %d;\n",
+ fprintf(outfile, " arm_ldr_ptr->ptr = gen_code_ptr + %d;\n",
p - p_start);
/* The position of the constant pool data. */
data_index = ((p_end - p_start) - pc_offset) >> 2;
- fprintf(outfile, " arm_ldr_ptr->data_ptr = arm_data_ptr - %d;\n",
+ fprintf(outfile, " arm_ldr_ptr->data_ptr = arm_data_ptr - %d;\n",
data_index);
fprintf(outfile, " arm_ldr_ptr->type = %d;\n", type);
fprintf(outfile, " arm_ldr_ptr++;\n");
#define MAX_ARGS 3
/* generate op code */
-void gen_code(const char *name, host_ulong offset, host_ulong size,
+void gen_code(const char *name, host_ulong offset, host_ulong size,
FILE *outfile, int gen_switch)
{
int copy_size = 0;
}
copy_size = len;
}
-#endif
+#endif
#elif defined(HOST_PPC)
{
uint8_t *p;
#endif
if (get32((uint32_t *)p) != 0x6bfa8001)
error("ret expected at the end of %s", name);
- copy_size = p - p_start;
+ copy_size = p - p_start;
}
#elif defined(HOST_IA64)
{
} else {
error("No save at the beginning of %s", name);
}
-
+
/* Skip a preceeding nop, if present. */
if (p > p_start) {
skip_insn = get32((uint32_t *)(p - 0x4));
if (skip_insn == 0x01000000)
p -= 4;
}
-
+
copy_size = p - p_start;
}
#elif defined(HOST_ARM)
p_start -= 4;
start_offset -= 4;
}
- copy_size = arm_emit_ldr_info(name, start_offset, NULL, p_start, p_end,
+ copy_size = arm_emit_ldr_info(name, start_offset, NULL, p_start, p_end,
relocs, nb_relocs);
}
#elif defined(HOST_M68K)
error("empty code for %s", name);
// remove NOP's, probably added for alignment
while ((get16((uint16_t *)p) == 0x4e71) &&
- (p>p_start))
+ (p>p_start))
p -= 2;
if (get16((uint16_t *)p) != 0x4e75)
error("rts expected at the end of %s", name);
}
}
}
-
+
nb_args = 0;
while (nb_args < MAX_ARGS && args_present[nb_args])
nb_args++;
sym_name = get_rel_sym_name(rel);
if(!sym_name)
continue;
- if (*sym_name &&
+ if (*sym_name &&
!strstart(sym_name, "__op_param", NULL) &&
!strstart(sym_name, "__op_jmp", NULL) &&
!strstart(sym_name, "__op_gen_label", NULL)) {
if (strstart(sym_name, "__op_label", &p)) {
uint8_t *ptr;
unsigned long offset;
-
+
/* test if the variable refers to a label inside
the code we are generating */
#ifdef CONFIG_FORMAT_COFF
/* try to find a matching relocation */
reloc_shndx = find_reloc(sym->st_shndx);
if (reloc_shndx) {
- nb_relocs1 = shdr[reloc_shndx].sh_size /
+ nb_relocs1 = shdr[reloc_shndx].sh_size /
shdr[reloc_shndx].sh_entsize;
rel = (ELF_RELOC *)sdata[reloc_shndx];
for(j = 0; j < nb_relocs1; j++) {
}
}
}
-#endif
+#endif
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, (long)(val - start_offset));
type = ELF32_R_TYPE(rel->r_info);
switch(type) {
case R_386_32:
- fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s + %d;\n",
+ fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s + %d;\n",
reloc_offset, relname, addend);
break;
case R_386_PC32:
- fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s - (long)(gen_code_ptr + %d) + %d;\n",
+ fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s - (long)(gen_code_ptr + %d) + %d;\n",
reloc_offset, relname, reloc_offset, addend);
break;
default:
type = rel->r_type;
switch(type) {
case DIR32:
- fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s + %d;\n",
+ fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s + %d;\n",
reloc_offset, relname, addend);
break;
case DISP32:
- fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s - (long)(gen_code_ptr + %d) + %d -4;\n",
+ fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s - (long)(gen_code_ptr + %d) + %d -4;\n",
reloc_offset, relname, reloc_offset, addend);
break;
default:
reloc_offset = rel->r_offset - start_offset;
switch(type) {
case R_X86_64_32:
- fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = (uint32_t)%s + %d;\n",
+ fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = (uint32_t)%s + %d;\n",
reloc_offset, relname, addend);
break;
case R_X86_64_32S:
- fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = (int32_t)%s + %d;\n",
+ fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = (int32_t)%s + %d;\n",
reloc_offset, relname, addend);
break;
case R_X86_64_PC32:
- fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s - (long)(gen_code_ptr + %d) + %d;\n",
+ fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s - (long)(gen_code_ptr + %d) + %d;\n",
reloc_offset, relname, reloc_offset, addend);
break;
default:
n, reloc_offset);
continue;
}
-
+
get_reloc_expr(relname, sizeof(relname), sym_name);
type = ELF32_R_TYPE(rel->r_info);
addend = rel->r_addend;
switch(type) {
case R_PPC_ADDR32:
- fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s + %d;\n",
+ fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s + %d;\n",
reloc_offset, relname, addend);
break;
case R_PPC_ADDR16_LO:
- fprintf(outfile, " *(uint16_t *)(gen_code_ptr + %d) = (%s + %d);\n",
+ fprintf(outfile, " *(uint16_t *)(gen_code_ptr + %d) = (%s + %d);\n",
reloc_offset, relname, addend);
break;
case R_PPC_ADDR16_HI:
- fprintf(outfile, " *(uint16_t *)(gen_code_ptr + %d) = (%s + %d) >> 16;\n",
+ fprintf(outfile, " *(uint16_t *)(gen_code_ptr + %d) = (%s + %d) >> 16;\n",
reloc_offset, relname, addend);
break;
case R_PPC_ADDR16_HA:
- fprintf(outfile, " *(uint16_t *)(gen_code_ptr + %d) = (%s + %d + 0x8000) >> 16;\n",
+ fprintf(outfile, " *(uint16_t *)(gen_code_ptr + %d) = (%s + %d + 0x8000) >> 16;\n",
reloc_offset, relname, addend);
break;
case R_PPC_REL24:
/* warning: must be at 32 MB distancy */
- fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = (*(uint32_t *)(gen_code_ptr + %d) & ~0x03fffffc) | ((%s - (long)(gen_code_ptr + %d) + %d) & 0x03fffffc);\n",
+ fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = (*(uint32_t *)(gen_code_ptr + %d) & ~0x03fffffc) | ((%s - (long)(gen_code_ptr + %d) + %d) & 0x03fffffc);\n",
reloc_offset, reloc_offset, relname, reloc_offset, addend);
break;
default:
slide = offset - start_offset;
- if (!(offset >= start_offset && offset < start_offset + size))
+ if (!(offset >= start_offset && offset < start_offset + size))
continue; /* not in our range */
sym_name = get_reloc_name(rel, &sslide);
continue; /* dunno how to handle without final_sym_name */
}
- get_reloc_expr(final_sym_name, sizeof(final_sym_name),
+ get_reloc_expr(final_sym_name, sizeof(final_sym_name),
sym_name);
switch(type) {
case PPC_RELOC_BR24:
}
break;
case PPC_RELOC_HI16:
- fprintf(outfile, " *(uint16_t *)(gen_code_ptr + %d + 2) = (%s + %d) >> 16;\n",
+ 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",
+ 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",
+ fprintf(outfile, " *(uint16_t *)(gen_code_ptr + %d + 2) = (%s + %d + 0x8000) >> 16;\n",
slide, final_sym_name, sslide);
break;
default:
reloc_offset = rel->r_offset - start_offset;
switch(type) {
case R_390_32:
- fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s + %d;\n",
+ fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s + %d;\n",
reloc_offset, relname, addend);
break;
case R_390_16:
- fprintf(outfile, " *(uint16_t *)(gen_code_ptr + %d) = %s + %d;\n",
+ fprintf(outfile, " *(uint16_t *)(gen_code_ptr + %d) = %s + %d;\n",
reloc_offset, relname, addend);
break;
case R_390_8:
- fprintf(outfile, " *(uint8_t *)(gen_code_ptr + %d) = %s + %d;\n",
+ fprintf(outfile, " *(uint8_t *)(gen_code_ptr + %d) = %s + %d;\n",
reloc_offset, relname, addend);
break;
default:
reloc_offset = rel->r_offset - start_offset;
switch(type) {
case R_SPARC_32:
- fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s + %d;\n",
+ fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s + %d;\n",
reloc_offset, relname, addend);
break;
case R_SPARC_HI22:
reloc_offset = rel->r_offset - start_offset;
switch(type) {
case R_ARM_ABS32:
- fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s + %d;\n",
+ fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s + %d;\n",
reloc_offset, relname, addend);
break;
case R_ARM_PC24:
case R_ARM_JUMP24:
case R_ARM_CALL:
- fprintf(outfile, " arm_reloc_pc24((uint32_t *)(gen_code_ptr + %d), 0x%x, %s);\n",
+ fprintf(outfile, " arm_reloc_pc24((uint32_t *)(gen_code_ptr + %d), 0x%x, %s);\n",
reloc_offset, addend, relname);
break;
default:
switch(type) {
case R_68K_32:
fprintf(outfile, " /* R_68K_32 RELOC, offset %x */\n", rel->r_offset) ;
- fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s + %#x;\n",
+ fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s + %#x;\n",
reloc_offset, relname, addend );
break;
case R_68K_PC32:
fprintf(outfile, " /* R_68K_PC32 RELOC, offset %x */\n", rel->r_offset);
- fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s - (long)(gen_code_ptr + %#x) + %#x;\n",
+ fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s - (long)(gen_code_ptr + %#x) + %#x;\n",
reloc_offset, relname, reloc_offset, /*sym->st_value+*/ addend);
break;
default:
gen_code(name, sym->st_value, sym->st_size, outfile, 0);
}
}
-
+
} else {
/* generate big code generation switch */
eliminating the neeed to jump around the pool.
We currently generate:
-
+
[ For this example we assume merging would move op1_pool out of range.
In practice we should be able to combine many ops before the offset
limits are reached. ]
" opc_ptr = opc_buf;\n"
" opparam_ptr = opparam_buf;\n");
- /* Generate prologue, if needed. */
+ /* Generate prologue, if needed. */
fprintf(outfile,
" for(;;) {\n");
name = get_sym_name(sym);
if (strstart(name, OP_PREFIX, NULL)) {
#if 0
- printf("%4d: %s pos=0x%08x len=%d\n",
+ printf("%4d: %s pos=0x%08x len=%d\n",
i, name, sym->st_value, sym->st_size);
#endif
#if defined(CONFIG_FORMAT_ELF) || defined(CONFIG_FORMAT_COFF)
"plt_target, plt_offset);\n }\n");
#endif
-/* generate some code patching */
+/* generate some code patching */
#ifdef HOST_ARM
fprintf(outfile,
"if (arm_data_ptr != arm_data_table + ARM_LDR_TABLE_SIZE)\n"
projects / mirror_qemu.git / blobdiff