[ARC] 24 bit reloc and overflow detection fix.
bfd/ 2016-04-05 Cupertino Miranda <cmiranda@synopsys.com> * elf32-arc.c (name_for_global_symbol): Changed assert. (get_replace_function): Created.: (struct arc_relocation_data): Changed to signed types. (defines S, L, P, PDATA): Casted to signed type. (defines SECTSTART, _SDA_BASE_, TLS_REL): Likewise. (PRINT_DEBUG_RELOC_INFO_BEFORE): Changed. (arc_do_relocation): Changed. include/ 2016-04-05 Cupertino Miranda <cmiranda@synopsys.com> * opcode/arc-func.h (replace_bits24): Changed. (replace_bits24_be): Created.
This commit is contained in:
Claudiu Zissulescu
parent
589a7d8830
commit
094fb06395
@ -1,3 +1,13 @@
|
||||
2016-04-05 Cupertino Miranda <cmiranda@synopsys.com>
|
||||
|
||||
* elf32-arc.c (name_for_global_symbol): Changed assert.
|
||||
(get_replace_function): Created.:
|
||||
(struct arc_relocation_data): Changed to signed types.
|
||||
(defines S, L, P, PDATA): Casted to signed type.
|
||||
(defines SECTSTART, _SDA_BASE_, TLS_REL): Likewise.
|
||||
(PRINT_DEBUG_RELOC_INFO_BEFORE): Changed.
|
||||
(arc_do_relocation): Changed.
|
||||
|
||||
2016-04-05 Cupertino Miranda <cmiranda@synopsys.com>
|
||||
|
||||
* elf32-arc.c (name_for_global_symbol): Added assert to check for
|
||||
|
||||
@ -375,6 +375,29 @@ static const struct arc_reloc_map arc_reloc_map[] =
|
||||
};
|
||||
#undef ARC_RELOC_HOWTO
|
||||
|
||||
typedef ATTRIBUTE_UNUSED bfd_vma (*replace_func) (unsigned, int ATTRIBUTE_UNUSED);
|
||||
|
||||
#define ARC_RELOC_HOWTO(TYPE, VALUE, SIZE, BITSIZE, RELOC_FUNCTION, OVERFLOW, FORMULA) \
|
||||
case TYPE: \
|
||||
func = (void *) RELOC_FUNCTION; \
|
||||
break;
|
||||
static replace_func
|
||||
get_replace_function (bfd *abfd, unsigned int r_type)
|
||||
{
|
||||
void *func = NULL;
|
||||
|
||||
switch (r_type)
|
||||
{
|
||||
#include "elf/arc-reloc.def"
|
||||
}
|
||||
|
||||
if (func == replace_bits24 && bfd_big_endian (abfd))
|
||||
return (replace_func) replace_bits24_be;
|
||||
|
||||
return (replace_func) func;
|
||||
}
|
||||
#undef ARC_RELOC_HOWTO
|
||||
|
||||
static reloc_howto_type *
|
||||
arc_elf32_bfd_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED,
|
||||
bfd_reloc_code_real_type code)
|
||||
@ -683,20 +706,20 @@ arc_elf_final_write_processing (bfd * abfd,
|
||||
|
||||
struct arc_relocation_data
|
||||
{
|
||||
bfd_vma reloc_offset;
|
||||
bfd_vma reloc_addend;
|
||||
bfd_vma got_offset_value;
|
||||
bfd_signed_vma reloc_offset;
|
||||
bfd_signed_vma reloc_addend;
|
||||
bfd_signed_vma got_offset_value;
|
||||
|
||||
bfd_vma sym_value;
|
||||
bfd_signed_vma sym_value;
|
||||
asection * sym_section;
|
||||
|
||||
reloc_howto_type *howto;
|
||||
|
||||
asection * input_section;
|
||||
|
||||
bfd_vma sdata_begin_symbol_vma;
|
||||
bfd_signed_vma sdata_begin_symbol_vma;
|
||||
bfd_boolean sdata_begin_symbol_vma_set;
|
||||
bfd_vma got_symbol_vma;
|
||||
bfd_signed_vma got_symbol_vma;
|
||||
|
||||
bfd_boolean should_relocate;
|
||||
};
|
||||
@ -770,16 +793,14 @@ middle_endian_convert (bfd_vma insn, bfd_boolean do_it)
|
||||
#define IS_ME(FORMULA,BFD) ((strstr (FORMULA, "ME") != NULL) \
|
||||
&& (!bfd_big_endian (BFD)))
|
||||
|
||||
#define S (reloc_data.sym_value \
|
||||
#define S ((bfd_signed_vma) (reloc_data.sym_value \
|
||||
+ (reloc_data.sym_section->output_section != NULL ? \
|
||||
(reloc_data.sym_section->output_offset \
|
||||
+ reloc_data.sym_section->output_section->vma) : 0) \
|
||||
)
|
||||
#define L (reloc_data.sym_value \
|
||||
+ reloc_data.sym_section->output_section->vma) : 0)))
|
||||
#define L ((bfd_signed_vma) (reloc_data.sym_value \
|
||||
+ (reloc_data.sym_section->output_section != NULL ? \
|
||||
(reloc_data.sym_section->output_offset \
|
||||
+ reloc_data.sym_section->output_section->vma) : 0) \
|
||||
)
|
||||
+ reloc_data.sym_section->output_section->vma) : 0)))
|
||||
#define A (reloc_data.reloc_addend)
|
||||
#define B (0)
|
||||
#define G (reloc_data.got_offset_value)
|
||||
@ -789,33 +810,32 @@ middle_endian_convert (bfd_vma insn, bfd_boolean do_it)
|
||||
#define MES (0)
|
||||
/* P: relative offset to PCL The offset should be to the
|
||||
current location aligned to 32 bits. */
|
||||
#define P ( \
|
||||
#define P ((bfd_signed_vma) ( \
|
||||
( \
|
||||
(reloc_data.input_section->output_section != NULL ? \
|
||||
reloc_data.input_section->output_section->vma : 0) \
|
||||
+ reloc_data.input_section->output_offset \
|
||||
+ (reloc_data.reloc_offset - (bitsize >= 32 ? 4 : 0)) \
|
||||
) & ~0x3)
|
||||
#define PDATA ( \
|
||||
+ (reloc_data.reloc_offset - (bitsize >= 32 ? 4 : 0))) \
|
||||
& ~0x3))
|
||||
#define PDATA ((bfd_signed_vma) ( \
|
||||
(reloc_data.input_section->output_section->vma \
|
||||
+ reloc_data.input_section->output_offset \
|
||||
+ (reloc_data.reloc_offset) \
|
||||
))
|
||||
#define SECTSTAR (reloc_data.input_section->output_offset)
|
||||
#define SECTSTART (reloc_data.input_section->output_offset)
|
||||
#define _SDA_BASE_ (reloc_data.sdata_begin_symbol_vma)
|
||||
#define TLS_REL ((elf_hash_table (info))->tls_sec->output_section->vma)
|
||||
#define _SDA_BASE_ (reloc_data.sdata_begin_symbol_vma)
|
||||
+ (reloc_data.reloc_offset))))
|
||||
#define SECTSTART (bfd_signed_vma) (reloc_data.input_section->output_offset)
|
||||
#define _SDA_BASE_ (bfd_signed_vma) (reloc_data.sdata_begin_symbol_vma)
|
||||
#define TLS_REL (bfd_signed_vma) \
|
||||
((elf_hash_table (info))->tls_sec->output_section->vma)
|
||||
#define TLS_TBSS (8)
|
||||
#define TCB_SIZE (8)
|
||||
|
||||
#define none (0)
|
||||
|
||||
#define PRINT_DEBUG_RELOC_INFO_BEFORE(FORMULA) \
|
||||
#define PRINT_DEBUG_RELOC_INFO_BEFORE(FORMULA, TYPE) \
|
||||
{\
|
||||
asection *sym_section = reloc_data.sym_section; \
|
||||
asection *input_section = reloc_data.input_section; \
|
||||
ARC_DEBUG ("FORMULA = " #FORMULA "\n"); \
|
||||
ARC_DEBUG ("RELOC_TYPE = " TYPE "\n"); \
|
||||
ARC_DEBUG ("FORMULA = " FORMULA "\n"); \
|
||||
ARC_DEBUG ("S = 0x%x\n", S); \
|
||||
ARC_DEBUG ("A = 0x%x\n", A); \
|
||||
ARC_DEBUG ("L = 0x%x\n", L); \
|
||||
@ -856,11 +876,11 @@ middle_endian_convert (bfd_vma insn, bfd_boolean do_it)
|
||||
#define ARC_RELOC_HOWTO(TYPE, VALUE, SIZE, BITSIZE, RELOC_FUNCTION, OVERFLOW, FORMULA) \
|
||||
case R_##TYPE: \
|
||||
{ \
|
||||
bfd_vma bitsize ATTRIBUTE_UNUSED = BITSIZE; \
|
||||
bfd_signed_vma bitsize ATTRIBUTE_UNUSED = BITSIZE; \
|
||||
relocation = FORMULA ; \
|
||||
PRINT_DEBUG_RELOC_INFO_BEFORE(FORMULA) \
|
||||
PRINT_DEBUG_RELOC_INFO_BEFORE (#FORMULA, #TYPE); \
|
||||
insn = middle_endian_convert (insn, IS_ME (#FORMULA, abfd)); \
|
||||
insn = RELOC_FUNCTION (insn, relocation); \
|
||||
insn = (* get_replace_function (abfd, TYPE)) (insn, relocation); \
|
||||
insn = middle_endian_convert (insn, IS_ME (#FORMULA, abfd)); \
|
||||
PRINT_DEBUG_RELOC_INFO_AFTER \
|
||||
} \
|
||||
@ -871,7 +891,7 @@ arc_do_relocation (bfd_byte * contents,
|
||||
struct arc_relocation_data reloc_data,
|
||||
struct bfd_link_info *info)
|
||||
{
|
||||
bfd_vma relocation = 0;
|
||||
bfd_signed_vma relocation = 0;
|
||||
bfd_vma insn;
|
||||
bfd_vma orig_insn ATTRIBUTE_UNUSED;
|
||||
bfd * abfd = reloc_data.input_section->owner;
|
||||
|
||||
@ -1,3 +1,8 @@
|
||||
2016-04-05 Cupertino Miranda <cmiranda@synopsys.com>
|
||||
|
||||
* opcode/arc-func.h (replace_bits24): Changed.
|
||||
(replace_bits24_be): Created.
|
||||
|
||||
2016-03-29 Claudiu Zissulescu <claziss@synopsys.com>
|
||||
|
||||
* opcode/arc.h (insn_subclass_t): Add QUARKSE subclass.
|
||||
|
||||
@ -65,6 +65,21 @@ replace_bits16 (unsigned insn, int value ATTRIBUTE_UNUSED)
|
||||
#define REPLACE_bits24
|
||||
ATTRIBUTE_UNUSED static unsigned
|
||||
replace_bits24 (unsigned insn, int value ATTRIBUTE_UNUSED)
|
||||
{
|
||||
insn = insn & ~0xffffff;
|
||||
insn |= ((value >> 0) & 0xffffff) << 0;
|
||||
|
||||
return insn;
|
||||
}
|
||||
|
||||
#endif /* REPLACE_bits24 */
|
||||
|
||||
/* Special 24 bit replace for big endian. */
|
||||
/* mask = 111111111111111111111111. */
|
||||
#ifndef REPLACE_bits24_be
|
||||
#define REPLACE_bits24_be
|
||||
ATTRIBUTE_UNUSED static unsigned
|
||||
replace_bits24_be (unsigned insn, int value ATTRIBUTE_UNUSED)
|
||||
{
|
||||
insn = insn & ~0xffffff00;
|
||||
insn |= ((value >> 0) & 0xffffff) << 8;
|
||||
@ -72,7 +87,7 @@ replace_bits24 (unsigned insn, int value ATTRIBUTE_UNUSED)
|
||||
return insn;
|
||||
}
|
||||
|
||||
#endif /* REPLACE_bits24 */
|
||||
#endif /* REPLACE_bits24_be */
|
||||
|
||||
/* mask = 11111111111111111111111111111111. */
|
||||
#ifndef REPLACE_word32
|
||||
|
||||
Loading…
Reference in New Issue
Block a user