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Clean up lots of rogue tabs.

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Still some more tabs to be taken care of. arm-gen.c and tcccoff.c
have so many style issues that I'm just going to throw clang-format
at them.
This commit is contained in:
gus knight
2015-07-27 14:14:41 -04:00
parent 41031221c8
commit d6b64e2574
10 changed files with 426 additions and 427 deletions
Download Patch File Download Diff File Expand all files Collapse all files

278
tccelf.c
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@ -451,7 +451,7 @@ ST_FUNC void relocate_syms(TCCState *s1, int do_resolve)
if (addr) {
sym->st_value = (addr_t)addr;
#ifdef DEBUG_RELOC
printf ("relocate_sym: %s -> 0x%lx\n", name, sym->st_value);
printf ("relocate_sym: %s -> 0x%lx\n", name, sym->st_value);
#endif
goto found;
}
@ -580,10 +580,10 @@ ST_FUNC void relocate_section(TCCState *s1, Section *s)
{
int x, is_thumb, is_call, h, blx_avail, is_bl, th_ko;
x = (*(int *) ptr) & 0xffffff;
if (sym->st_shndx == SHN_UNDEF)
val = s1->plt->sh_addr;
if (sym->st_shndx == SHN_UNDEF)
val = s1->plt->sh_addr;
#ifdef DEBUG_RELOC
printf ("reloc %d: x=0x%x val=0x%x ", type, x, val);
printf ("reloc %d: x=0x%x val=0x%x ", type, x, val);
#endif
(*(int *)ptr) &= 0xff000000;
if (x & 0x800000)
@ -595,8 +595,8 @@ ST_FUNC void relocate_section(TCCState *s1, Section *s)
is_call = (type == R_ARM_CALL || (type == R_ARM_PC24 && is_bl));
x += val - addr;
#ifdef DEBUG_RELOC
printf (" newx=0x%x name=%s\n", x,
(char *) symtab_section->link->data + sym->st_name);
printf (" newx=0x%x name=%s\n", x,
(char *) symtab_section->link->data + sym->st_name);
#endif
h = x & 2;
th_ko = (x & 3) && (!blx_avail || !is_call);
@ -797,21 +797,21 @@ ST_FUNC void relocate_section(TCCState *s1, Section *s)
break;
case R_AARCH64_JUMP26:
case R_AARCH64_CALL26:
/* This check must match the one in build_got_entries, testing
if we really need a PLT slot. */
if (sym->st_shndx == SHN_UNDEF)
/* We've put the PLT slot offset into r_addend when generating
it, and that's what we must use as relocation value (adjusted
by section offset of course). */
val = s1->plt->sh_addr + rel->r_addend;
/* This check must match the one in build_got_entries, testing
if we really need a PLT slot. */
if (sym->st_shndx == SHN_UNDEF)
/* We've put the PLT slot offset into r_addend when generating
it, and that's what we must use as relocation value (adjusted
by section offset of course). */
val = s1->plt->sh_addr + rel->r_addend;
#ifdef DEBUG_RELOC
printf ("reloc %d @ 0x%lx: val=0x%lx name=%s\n", type, addr, val,
(char *) symtab_section->link->data + sym->st_name);
printf ("reloc %d @ 0x%lx: val=0x%lx name=%s\n", type, addr, val,
(char *) symtab_section->link->data + sym->st_name);
#endif
if (((val - addr) + ((uint64_t)1 << 27)) & ~(uint64_t)0xffffffc)
{
{
tcc_error("R_AARCH64_(JUMP|CALL)26 relocation failed (val=%lx, addr=%lx)", addr, val);
}
}
*(uint32_t *)ptr = 0x14000000 | (type == R_AARCH64_CALL26) << 31 |
((val - addr) >> 2 & 0x3ffffff);
break;
@ -836,9 +836,9 @@ ST_FUNC void relocate_section(TCCState *s1, Section *s)
case R_AARCH64_JUMP_SLOT:
/* They don't need addend */
#ifdef DEBUG_RELOC
printf ("reloc %d @ 0x%lx: val=0x%lx name=%s\n", type, addr,
val - rel->r_addend,
(char *) symtab_section->link->data + sym->st_name);
printf ("reloc %d @ 0x%lx: val=0x%lx name=%s\n", type, addr,
val - rel->r_addend,
(char *) symtab_section->link->data + sym->st_name);
#endif
*(addr_t *)ptr = val - rel->r_addend;
break;
@ -879,12 +879,12 @@ ST_FUNC void relocate_section(TCCState *s1, Section *s)
qrel->r_offset = rel->r_offset;
if (esym_index) {
qrel->r_info = ELFW(R_INFO)(esym_index, R_X86_64_64);
qrel->r_addend = rel->r_addend;
qrel->r_addend = rel->r_addend;
qrel++;
break;
} else {
qrel->r_info = ELFW(R_INFO)(0, R_X86_64_RELATIVE);
qrel->r_addend = *(long long *)ptr + val;
qrel->r_info = ELFW(R_INFO)(0, R_X86_64_RELATIVE);
qrel->r_addend = *(long long *)ptr + val;
qrel++;
}
}
@ -917,14 +917,14 @@ ST_FUNC void relocate_section(TCCState *s1, Section *s)
goto plt32pc32;
case R_X86_64_PLT32:
/* We've put the PLT slot offset into r_addend when generating
it, and that's what we must use as relocation value (adjusted
by section offset of course). */
val = s1->plt->sh_addr + rel->r_addend;
/* fallthrough. */
/* We've put the PLT slot offset into r_addend when generating
it, and that's what we must use as relocation value (adjusted
by section offset of course). */
val = s1->plt->sh_addr + rel->r_addend;
/* fallthrough. */
plt32pc32:
{
plt32pc32:
{
long long diff;
diff = (long long)val - addr;
if (diff < -2147483648LL || diff > 2147483647LL) {
@ -1080,8 +1080,8 @@ static void build_got(TCCState *s1)
and 'info' can be modifed if more precise info comes from the DLL.
Returns offset of GOT or PLT slot. */
static unsigned long put_got_entry(TCCState *s1,
int reloc_type, unsigned long size, int info,
int sym_index)
int reloc_type, unsigned long size, int info,
int sym_index)
{
int index, need_plt_entry;
const char *name;
@ -1107,18 +1107,18 @@ static unsigned long put_got_entry(TCCState *s1,
#endif
if (need_plt_entry && !s1->plt) {
/* add PLT */
s1->plt = new_section(s1, ".plt", SHT_PROGBITS,
SHF_ALLOC | SHF_EXECINSTR);
s1->plt->sh_entsize = 4;
/* add PLT */
s1->plt = new_section(s1, ".plt", SHT_PROGBITS,
SHF_ALLOC | SHF_EXECINSTR);
s1->plt->sh_entsize = 4;
}
/* If a got/plt entry already exists for that symbol, no need to add one */
if (sym_index < s1->nb_sym_attrs) {
if (need_plt_entry && s1->sym_attrs[sym_index].plt_offset)
return s1->sym_attrs[sym_index].plt_offset;
else if (!need_plt_entry && s1->sym_attrs[sym_index].got_offset)
return s1->sym_attrs[sym_index].got_offset;
if (need_plt_entry && s1->sym_attrs[sym_index].plt_offset)
return s1->sym_attrs[sym_index].plt_offset;
else if (!need_plt_entry && s1->sym_attrs[sym_index].got_offset)
return s1->sym_attrs[sym_index].got_offset;
}
symattr = alloc_sym_attr(s1, sym_index);
@ -1135,7 +1135,7 @@ static unsigned long put_got_entry(TCCState *s1,
Section *plt;
uint8_t *p;
int modrm;
unsigned long relofs;
unsigned long relofs;
#if defined(TCC_OUTPUT_DLL_WITH_PLT)
modrm = 0x25;
@ -1160,10 +1160,10 @@ static unsigned long put_got_entry(TCCState *s1,
put32(p + 8, PTR_SIZE * 2);
}
/* The PLT slot refers to the relocation entry it needs
via offset. The reloc entry is created below, so its
offset is the current data_offset. */
relofs = s1->got->reloc ? s1->got->reloc->data_offset : 0;
/* The PLT slot refers to the relocation entry it needs
via offset. The reloc entry is created below, so its
offset is the current data_offset. */
relofs = s1->got->reloc ? s1->got->reloc->data_offset : 0;
symattr->plt_offset = plt->data_offset;
p = section_ptr_add(plt, 16);
p[0] = 0xff; /* jmp *(got + x) */
@ -1171,19 +1171,19 @@ static unsigned long put_got_entry(TCCState *s1,
put32(p + 2, s1->got->data_offset);
p[6] = 0x68; /* push $xxx */
#ifdef TCC_TARGET_X86_64
/* On x86-64, the relocation is referred to by _index_. */
put32(p + 7, relofs / sizeof (ElfW_Rel));
/* On x86-64, the relocation is referred to by _index_. */
put32(p + 7, relofs / sizeof (ElfW_Rel));
#else
put32(p + 7, relofs);
#endif
p[11] = 0xe9; /* jmp plt_start */
put32(p + 12, -(plt->data_offset));
/* If this was an UNDEF symbol set the offset in the
dynsymtab to the PLT slot, so that PC32 relocs to it
can be resolved. */
if (sym->st_shndx == SHN_UNDEF)
offset = plt->data_offset - 16;
/* If this was an UNDEF symbol set the offset in the
dynsymtab to the PLT slot, so that PC32 relocs to it
can be resolved. */
if (sym->st_shndx == SHN_UNDEF)
offset = plt->data_offset - 16;
}
#elif defined(TCC_TARGET_ARM)
if (need_plt_entry) {
@ -1220,7 +1220,7 @@ static unsigned long put_got_entry(TCCState *s1,
/* the symbol is modified so that it will be relocated to
the PLT */
if (sym->st_shndx == SHN_UNDEF)
if (sym->st_shndx == SHN_UNDEF)
offset = plt->data_offset - 16;
}
#elif defined(TCC_TARGET_ARM64)
@ -1250,19 +1250,19 @@ static unsigned long put_got_entry(TCCState *s1,
#error unsupported CPU
#endif
if (s1->dynsym) {
/* XXX This might generate multiple syms for name. */
/* XXX This might generate multiple syms for name. */
index = put_elf_sym(s1->dynsym, offset,
size, info, 0, sym->st_shndx, name);
/* Create the relocation (it's against the GOT for PLT
and GOT relocs). */
and GOT relocs). */
put_elf_reloc(s1->dynsym, s1->got,
s1->got->data_offset,
reloc_type, index);
} else {
/* Without .dynsym (i.e. static link or memory output) we
still need relocs against the generated got, so as to fill
the entries with the symbol values (determined later). */
put_elf_reloc(symtab_section, s1->got,
/* Without .dynsym (i.e. static link or memory output) we
still need relocs against the generated got, so as to fill
the entries with the symbol values (determined later). */
put_elf_reloc(symtab_section, s1->got,
s1->got->data_offset,
reloc_type, sym_index);
}
@ -1324,8 +1324,8 @@ ST_FUNC void build_got_entries(TCCState *s1)
build_got(s1);
sym_index = ELFW(R_SYM)(rel->r_info);
sym = &((ElfW(Sym) *)symtab_section->data)[sym_index];
if (type != R_ARM_GOTOFF && type != R_ARM_GOTPC
&& sym->st_shndx == SHN_UNDEF) {
if (type != R_ARM_GOTOFF && type != R_ARM_GOTPC
&& sym->st_shndx == SHN_UNDEF) {
unsigned long ofs;
/* look at the symbol got offset. If none, then add one */
if (type == R_ARM_GOT32)
@ -1333,27 +1333,27 @@ ST_FUNC void build_got_entries(TCCState *s1)
else
reloc_type = R_ARM_JUMP_SLOT;
ofs = put_got_entry(s1, reloc_type, sym->st_size,
sym->st_info, sym_index);
sym->st_info, sym_index);
#ifdef DEBUG_RELOC
printf ("maybegot: %s, %d, %d --> ofs=0x%x\n",
(char *) symtab_section->link->data + sym->st_name,
type, sym->st_shndx, ofs);
(char *) symtab_section->link->data + sym->st_name,
type, sym->st_shndx, ofs);
#endif
if (type != R_ARM_GOT32) {
addr_t *ptr = (addr_t*)(s1->sections[s->sh_info]->data
+ rel->r_offset);
/* x must be signed! */
int x = *ptr & 0xffffff;
x = (x << 8) >> 8;
x <<= 2;
x += ofs;
x >>= 2;
if (type != R_ARM_GOT32) {
addr_t *ptr = (addr_t*)(s1->sections[s->sh_info]->data
+ rel->r_offset);
/* x must be signed! */
int x = *ptr & 0xffffff;
x = (x << 8) >> 8;
x <<= 2;
x += ofs;
x >>= 2;
#ifdef DEBUG_RELOC
printf ("insn=0x%x --> 0x%x (x==0x%x)\n", *ptr,
(*ptr & 0xff000000) | x, x);
printf ("insn=0x%x --> 0x%x (x==0x%x)\n", *ptr,
(*ptr & 0xff000000) | x, x);
#endif
*ptr = (*ptr & 0xff000000) | x;
}
*ptr = (*ptr & 0xff000000) | x;
}
}
break;
case R_ARM_THM_JUMP24:
@ -1397,22 +1397,22 @@ ST_FUNC void build_got_entries(TCCState *s1)
sym_index);
break;
case R_AARCH64_JUMP26:
case R_AARCH64_CALL26:
case R_AARCH64_JUMP26:
case R_AARCH64_CALL26:
if (!s1->got)
build_got(s1);
sym_index = ELFW(R_SYM)(rel->r_info);
sym = &((ElfW(Sym) *)symtab_section->data)[sym_index];
if (sym->st_shndx == SHN_UNDEF) {
unsigned long ofs;
reloc_type = R_AARCH64_JUMP_SLOT;
unsigned long ofs;
reloc_type = R_AARCH64_JUMP_SLOT;
ofs = put_got_entry(s1, reloc_type, sym->st_size,
sym->st_info, sym_index);
/* We store the place of the generated PLT slot
in our addend. */
rel->r_addend += ofs;
sym->st_info, sym_index);
/* We store the place of the generated PLT slot
in our addend. */
rel->r_addend += ofs;
}
break;
break;
#elif defined(TCC_TARGET_C67)
case R_C60_GOT32:
case R_C60_GOTOFF:
@ -1439,29 +1439,29 @@ ST_FUNC void build_got_entries(TCCState *s1)
case R_X86_64_PLT32:
sym_index = ELFW(R_SYM)(rel->r_info);
sym = &((ElfW(Sym) *)symtab_section->data)[sym_index];
if (type == R_X86_64_PLT32 &&
ELFW(ST_VISIBILITY)(sym->st_other) != STV_DEFAULT)
{
rel->r_info = ELFW(R_INFO)(sym_index, R_X86_64_PC32);
break;
}
if (type == R_X86_64_PLT32 &&
ELFW(ST_VISIBILITY)(sym->st_other) != STV_DEFAULT)
{
rel->r_info = ELFW(R_INFO)(sym_index, R_X86_64_PC32);
break;
}
if (!s1->got)
build_got(s1);
if (type == R_X86_64_GOT32 || type == R_X86_64_GOTPCREL ||
type == R_X86_64_PLT32) {
unsigned long ofs;
unsigned long ofs;
/* look at the symbol got offset. If none, then add one */
if (type == R_X86_64_GOT32 || type == R_X86_64_GOTPCREL)
reloc_type = R_X86_64_GLOB_DAT;
else
reloc_type = R_X86_64_JUMP_SLOT;
ofs = put_got_entry(s1, reloc_type, sym->st_size,
sym->st_info, sym_index);
if (type == R_X86_64_PLT32)
/* We store the place of the generated PLT slot
in our addend. */
rel->r_addend += ofs;
sym->st_info, sym_index);
if (type == R_X86_64_PLT32)
/* We store the place of the generated PLT slot
in our addend. */
rel->r_addend += ofs;
}
break;
#else
@ -1546,21 +1546,21 @@ static int tcc_add_support(TCCState *s1, const char *filename)
snprintf(buf, sizeof(buf), "%s/%s/%s", s1->tcc_lib_path,
/* an cpu specific path inside tcc_lib_path, mainly for keeping libtcc1.a */
#ifdef TCC_TARGET_I386
"i386"
"i386"
#endif
#ifdef TCC_TARGET_X86_64
"x86-64"
#endif
#ifdef TCC_TARGET_ARM
"arm"
"arm"
#endif
#ifdef TCC_TARGET_ARM64
"arm64"
"arm64"
#endif
#ifdef TCC_TARGET_C67
"C67"
"C67"
#endif
,filename);
,filename);
return tcc_add_file(s1, buf, TCC_FILETYPE_BINARY);
}
@ -1587,17 +1587,17 @@ ST_FUNC void tcc_add_bcheck(TCCState *s1)
when __bound_ptr_add, __bound_new_region,
__bound_delete_region called */
int sym_index = find_elf_sym(symtab_section, "__bound_init");
if (sym_index) {
Section *init_section = find_section(s1, ".init");
unsigned char *pinit = section_ptr_add(init_section, 5);
pinit[0] = 0xe8;
put32(pinit + 1, -4);
put_elf_reloc(symtab_section, init_section,
int sym_index = find_elf_sym(symtab_section, "__bound_init");
if (sym_index) {
Section *init_section = find_section(s1, ".init");
unsigned char *pinit = section_ptr_add(init_section, 5);
pinit[0] = 0xe8;
put32(pinit + 1, -4);
put_elf_reloc(symtab_section, init_section,
init_section->data_offset - 4, R_386_PC32, sym_index);
}
else
tcc_warning("__bound_init not defined");
}
else
tcc_warning("__bound_init not defined");
}
#endif
}
@ -1905,11 +1905,11 @@ static void export_global_syms(TCCState *s1)
s1->symtab_to_dynsym = tcc_mallocz(sizeof(int) * nb_syms);
for_each_elem(symtab_section, 1, sym, ElfW(Sym)) {
if (ELFW(ST_BIND)(sym->st_info) != STB_LOCAL) {
name = (char *) symtab_section->link->data + sym->st_name;
dynindex = put_elf_sym(s1->dynsym, sym->st_value, sym->st_size,
sym->st_info, 0, sym->st_shndx, name);
index = sym - (ElfW(Sym) *) symtab_section->data;
s1->symtab_to_dynsym[index] = dynindex;
name = (char *) symtab_section->link->data + sym->st_name;
dynindex = put_elf_sym(s1->dynsym, sym->st_value, sym->st_size,
sym->st_info, 0, sym->st_shndx, name);
index = sym - (ElfW(Sym) *) symtab_section->data;
s1->symtab_to_dynsym[index] = dynindex;
}
}
}
@ -2179,15 +2179,15 @@ static int layout_sections(TCCState *s1, ElfW(Phdr) *phdr, int phnum,
file_offset += s->sh_size;
}
}
if (j == 0) {
/* Make the first PT_LOAD segment include the program
headers itself (and the ELF header as well), it'll
come out with same memory use but will make various
tools like binutils strip work better. */
ph->p_offset &= ~(ph->p_align - 1);
ph->p_vaddr &= ~(ph->p_align - 1);
ph->p_paddr &= ~(ph->p_align - 1);
}
if (j == 0) {
/* Make the first PT_LOAD segment include the program
headers itself (and the ELF header as well), it'll
come out with same memory use but will make various
tools like binutils strip work better. */
ph->p_offset &= ~(ph->p_align - 1);
ph->p_vaddr &= ~(ph->p_align - 1);
ph->p_paddr &= ~(ph->p_align - 1);
}
ph->p_filesz = file_offset - ph->p_offset;
ph->p_memsz = addr - ph->p_vaddr;
ph++;
@ -2662,10 +2662,10 @@ static int elf_output_file(TCCState *s1, const char *filename)
for_each_elem(s1->dynsym, 1, sym, ElfW(Sym)) {
if (sym->st_shndx == SHN_UNDEF) {
/* relocate to PLT if symbol corresponds to a PLT entry,
but not if it's a weak symbol */
if (ELFW(ST_BIND)(sym->st_info) == STB_WEAK)
sym->st_value = 0;
else if (sym->st_value)
but not if it's a weak symbol */
if (ELFW(ST_BIND)(sym->st_info) == STB_WEAK)
sym->st_value = 0;
else if (sym->st_value)
sym->st_value += s1->plt->sh_addr;
} else if (sym->st_shndx < SHN_LORESERVE) {
/* do symbol relocation */
@ -2690,14 +2690,14 @@ static int elf_output_file(TCCState *s1, const char *filename)
/* Create the ELF file with name 'filename' */
ret = tcc_write_elf_file(s1, filename, phnum, phdr, file_offset, sec_order);
if (s1->do_strip) {
int rc;
const char *strip_cmd = "sstrip "; // super strip utility from ELFkickers
const char *null_dev = " 2> /dev/null";
char buf[1050];
snprintf(buf, sizeof(buf), "%s%s%s", strip_cmd, filename, null_dev);
rc = system(buf);
if (rc)
system(buf+1); // call a strip utility from binutils
int rc;
const char *strip_cmd = "sstrip "; // super strip utility from ELFkickers
const char *null_dev = " 2> /dev/null";
char buf[1050];
snprintf(buf, sizeof(buf), "%s%s%s", strip_cmd, filename, null_dev);
rc = system(buf);
if (rc)
system(buf+1); // call a strip utility from binutils
}
the_end:
tcc_free(s1->symtab_to_dynsym);