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Diffstat (limited to 'bfd/coff-arm.c')
-rw-r--r--bfd/coff-arm.c219
1 files changed, 127 insertions, 92 deletions
diff --git a/bfd/coff-arm.c b/bfd/coff-arm.c
index 6488ee7..8dcb3bb 100644
--- a/bfd/coff-arm.c
+++ b/bfd/coff-arm.c
@@ -36,18 +36,39 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* Macros for manipulation the bits in the flags field of the coff data
structure. */
-#define APCS_26_FLAG( abfd ) (coff_data (abfd)->flags & F_APCS_26)
-#define APCS_FLOAT_FLAG( abfd ) (coff_data (abfd)->flags & F_APCS_FLOAT)
-#define PIC_FLAG( abfd ) (coff_data (abfd)->flags & F_PIC)
-#define APCS_SET( abfd ) (coff_data (abfd)->flags & F_APCS_SET)
-#define SET_APCS_FLAGS( abfd, flgs) (coff_data (abfd)->flags = \
- (coff_data (abfd)->flags & ~ (F_APCS_26 | F_APCS_FLOAT | F_PIC)) \
- | (flgs | F_APCS_SET))
-#define INTERWORK_FLAG( abfd ) (coff_data (abfd)->flags & F_INTERWORK)
-#define INTERWORK_SET( abfd ) (coff_data (abfd)->flags & F_INTERWORK_SET)
-#define SET_INTERWORK_FLAG( abfd, flg ) (coff_data (abfd)->flags = \
- (coff_data (abfd)->flags & ~ F_INTERWORK) \
- | (flg | F_INTERWORK_SET))
+#define APCS_26_FLAG(abfd) \
+ (coff_data (abfd)->flags & F_APCS_26)
+
+#define APCS_FLOAT_FLAG(abfd) \
+ (coff_data (abfd)->flags & F_APCS_FLOAT)
+
+#define PIC_FLAG(abfd) \
+ (coff_data (abfd)->flags & F_PIC)
+
+#define APCS_SET(abfd) \
+ (coff_data (abfd)->flags & F_APCS_SET)
+
+#define SET_APCS_FLAGS(abfd, flgs) \
+ do \
+ { \
+ coff_data (abfd)->flags &= ~(F_APCS_26 | F_APCS_FLOAT | F_PIC); \
+ coff_data (abfd)->flags |= (flgs) | F_APCS_SET; \
+ } \
+ while (0)
+
+#define INTERWORK_FLAG(abfd) \
+ (coff_data (abfd)->flags & F_INTERWORK)
+
+#define INTERWORK_SET(abfd) \
+ (coff_data (abfd)->flags & F_INTERWORK_SET)
+
+#define SET_INTERWORK_FLAG(abfd, flg) \
+ do \
+ { \
+ coff_data (abfd)->flags &= ~F_INTERWORK; \
+ coff_data (abfd)->flags |= (flg) | F_INTERWORK_SET; \
+ } \
+ while (0)
#ifndef NUM_ELEM
#define NUM_ELEM(a) ((sizeof (a)) / sizeof ((a)[0]))
@@ -79,20 +100,21 @@ static boolean coff_arm_adjust_symndx
asection *, struct internal_reloc *, boolean *));
static reloc_howto_type * coff_arm_rtype_to_howto
PARAMS ((bfd *, asection *, struct internal_reloc *,
- struct coff_link_hash_entry *, struct internal_syment *, bfd_vma *));
+ struct coff_link_hash_entry *, struct internal_syment *,
+ bfd_vma *));
static bfd_reloc_status_type coff_thumb_pcrel_common
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **,
thumb_pcrel_branchtype));
-static CONST struct reloc_howto_struct * coff_arm_reloc_type_lookup
+static const struct reloc_howto_struct * coff_arm_reloc_type_lookup
PARAMS ((bfd *, bfd_reloc_code_real_type));
static struct bfd_link_hash_table * coff_arm_link_hash_table_create
PARAMS ((bfd *));
static insn32 insert_thumb_branch
PARAMS ((insn32, int));
static struct coff_link_hash_entry * find_thumb_glue
- PARAMS ((struct bfd_link_info *, CONST char *, bfd *));
+ PARAMS ((struct bfd_link_info *, const char *, bfd *));
static struct coff_link_hash_entry * find_arm_glue
- PARAMS ((struct bfd_link_info *, CONST char *, bfd *));
+ PARAMS ((struct bfd_link_info *, const char *, bfd *));
#ifndef COFF_IMAGE_WITH_PE
static void record_arm_to_thumb_glue
PARAMS ((struct bfd_link_info *, struct coff_link_hash_entry *));
@@ -146,8 +168,9 @@ coff_arm_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd,
diff = reloc_entry->addend;
-#define DOIT(x) \
- x = ((x & ~howto->dst_mask) | (((x & howto->src_mask) + diff) & howto->dst_mask))
+#define DOIT(x) \
+ x = ((x & ~howto->dst_mask) \
+ | (((x & howto->src_mask) + diff) & howto->dst_mask))
if (diff != 0)
{
@@ -168,7 +191,7 @@ coff_arm_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd,
{
short x = bfd_get_16 (abfd, addr);
DOIT (x);
- bfd_put_16 (abfd, x, addr);
+ bfd_put_16 (abfd, (bfd_vma) x, addr);
}
break;
@@ -176,7 +199,7 @@ coff_arm_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd,
{
long x = bfd_get_32 (abfd, addr);
DOIT (x);
- bfd_put_32 (abfd, x, addr);
+ bfd_put_32 (abfd, (bfd_vma) x, addr);
}
break;
@@ -636,12 +659,12 @@ aoutarm_fix_pcrel_26 (abfd, reloc_entry, symbol, data, input_section,
if ((relocation & ~ (bfd_vma) 0x03ffffff) != ~ (bfd_vma) 0x03ffffff)
flag = bfd_reloc_overflow;
}
- else if (relocation & ~0x03ffffff)
+ else if (relocation & ~(bfd_vma) 0x03ffffff)
flag = bfd_reloc_overflow;
target &= ~0x00ffffff;
target |= (relocation >> 2) & 0x00ffffff;
- bfd_put_32 (abfd, target, (bfd_byte *) data + addr);
+ bfd_put_32 (abfd, (bfd_vma) target, (bfd_byte *) data + addr);
/* Now the ARM magic... Change the reloc type so that it is marked as done.
Strictly this is only necessary if we are doing a partial relocation. */
@@ -757,16 +780,18 @@ coff_thumb_pcrel_common (abfd, reloc_entry, symbol, data, input_section,
case b23:
if (bfd_big_endian (abfd))
- target |= ((relocation & 0xfff) >> 1) | ((relocation << 4) & 0x07ff0000);
+ target |= (((relocation & 0xfff) >> 1)
+ | ((relocation << 4) & 0x07ff0000));
else
- target |= ((relocation & 0xffe) << 15) | ((relocation >> 12) & 0x7ff);
+ target |= (((relocation & 0xffe) << 15)
+ | ((relocation >> 12) & 0x7ff));
break;
default:
abort ();
}
- bfd_put_32 (abfd, target, (bfd_byte *) data + addr);
+ bfd_put_32 (abfd, (bfd_vma) target, (bfd_byte *) data + addr);
/* Now the ARM magic... Change the reloc type so that it is marked as done.
Strictly this is only necessary if we are doing a partial relocation. */
@@ -788,7 +813,8 @@ coff_thumb_pcrel_23 (abfd, reloc_entry, symbol, data, input_section,
char **error_message;
{
return coff_thumb_pcrel_common (abfd, reloc_entry, symbol, data,
- input_section, output_bfd, error_message, b23);
+ input_section, output_bfd, error_message,
+ b23);
}
static bfd_reloc_status_type
@@ -803,7 +829,8 @@ coff_thumb_pcrel_12 (abfd, reloc_entry, symbol, data, input_section,
char **error_message;
{
return coff_thumb_pcrel_common (abfd, reloc_entry, symbol, data,
- input_section, output_bfd, error_message, b12);
+ input_section, output_bfd, error_message,
+ b12);
}
static bfd_reloc_status_type
@@ -818,10 +845,11 @@ coff_thumb_pcrel_9 (abfd, reloc_entry, symbol, data, input_section,
char **error_message;
{
return coff_thumb_pcrel_common (abfd, reloc_entry, symbol, data,
- input_section, output_bfd, error_message, b9);
+ input_section, output_bfd, error_message,
+ b9);
}
-static CONST struct reloc_howto_struct *
+static const struct reloc_howto_struct *
coff_arm_reloc_type_lookup (abfd, code)
bfd * abfd;
bfd_reloc_code_real_type code;
@@ -835,7 +863,7 @@ coff_arm_reloc_type_lookup (abfd, code)
code = BFD_RELOC_32;
break;
default:
- return (CONST struct reloc_howto_struct *) 0;
+ return (const struct reloc_howto_struct *) 0;
}
switch (code)
@@ -860,7 +888,7 @@ coff_arm_reloc_type_lookup (abfd, code)
ASTD (BFD_RELOC_THUMB_PCREL_BRANCH23, ARM_THUMB23);
ASTD (BFD_RELOC_THUMB_PCREL_BLX, ARM_THUMB23);
#endif
- default: return (CONST struct reloc_howto_struct *) 0;
+ default: return (const struct reloc_howto_struct *) 0;
}
}
@@ -881,10 +909,10 @@ struct coff_arm_link_hash_table
struct coff_link_hash_table root;
/* The size in bytes of the section containg the Thumb-to-ARM glue. */
- long int thumb_glue_size;
+ bfd_size_type thumb_glue_size;
/* The size in bytes of the section containg the ARM-to-Thumb glue. */
- long int arm_glue_size;
+ bfd_size_type arm_glue_size;
/* An arbitary input BFD chosen to hold the glue sections. */
bfd * bfd_of_glue_owner;
@@ -904,9 +932,9 @@ coff_arm_link_hash_table_create (abfd)
bfd * abfd;
{
struct coff_arm_link_hash_table * ret;
+ bfd_size_type amt = sizeof (struct coff_arm_link_hash_table);
- ret = ((struct coff_arm_link_hash_table *)
- bfd_alloc (abfd, sizeof (struct coff_arm_link_hash_table)));
+ ret = (struct coff_arm_link_hash_table *) bfd_alloc (abfd, amt);
if (ret == (struct coff_arm_link_hash_table *) NULL)
return NULL;
@@ -992,7 +1020,8 @@ insert_thumb_branch (br_insn, rel_off)
else if ((br_insn & HI_LOW_ORDER) == HI_LOW_ORDER)
br_insn = HI_LOW_ORDER | (high_bits << 16) | low_bits;
else
- /* FIXME: the BFD library should never abort - it should return an error status. */
+ /* FIXME: the BFD library should never abort except for internal errors
+ - it should return an error status. */
abort (); /* Error - not a valid branch instruction form. */
return br_insn;
@@ -1000,15 +1029,15 @@ insert_thumb_branch (br_insn, rel_off)
static struct coff_link_hash_entry *
find_thumb_glue (info, name, input_bfd)
- struct bfd_link_info * info;
- CONST char * name;
- bfd * input_bfd;
+ struct bfd_link_info *info;
+ const char *name;
+ bfd *input_bfd;
{
- char * tmp_name;
- struct coff_link_hash_entry * myh;
+ char *tmp_name;
+ struct coff_link_hash_entry *myh;
+ bfd_size_type amt = strlen (name) + strlen (THUMB2ARM_GLUE_ENTRY_NAME) + 1;
- tmp_name = ((char *)
- bfd_malloc (strlen (name) + strlen (THUMB2ARM_GLUE_ENTRY_NAME) + 1));
+ tmp_name = (char *) bfd_malloc (amt);
BFD_ASSERT (tmp_name);
@@ -1029,15 +1058,15 @@ find_thumb_glue (info, name, input_bfd)
static struct coff_link_hash_entry *
find_arm_glue (info, name, input_bfd)
- struct bfd_link_info * info;
- CONST char * name;
- bfd * input_bfd;
+ struct bfd_link_info *info;
+ const char *name;
+ bfd *input_bfd;
{
- char * tmp_name;
+ char *tmp_name;
struct coff_link_hash_entry * myh;
+ bfd_size_type amt = strlen (name) + strlen (ARM2THUMB_GLUE_ENTRY_NAME) + 1;
- tmp_name = ((char *)
- bfd_malloc (strlen (name) + strlen (ARM2THUMB_GLUE_ENTRY_NAME) + 1));
+ tmp_name = (char *) bfd_malloc (amt);
BFD_ASSERT (tmp_name);
@@ -1211,7 +1240,8 @@ coff_arm_relocate_section (output_bfd, info, input_bfd, input_section,
&& info->relocateable
&& (h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
- && h->root.u.def.section->output_section == input_section->output_section)
+ && (h->root.u.def.section->output_section
+ == input_section->output_section))
{
static reloc_howto_type fake_arm26_reloc =
HOWTO (ARM_26,
@@ -1311,7 +1341,7 @@ coff_arm_relocate_section (output_bfd, info, input_bfd, input_section,
{
/* Arm code calling a Thumb function. */
unsigned long int tmp;
- long int my_offset;
+ bfd_vma my_offset;
asection * s;
long int ret_offset;
struct coff_link_hash_entry * myh;
@@ -1353,10 +1383,10 @@ coff_arm_relocate_section (output_bfd, info, input_bfd, input_section,
--my_offset;
myh->root.u.def.value = my_offset;
- bfd_put_32 (output_bfd, a2t1_ldr_insn,
+ bfd_put_32 (output_bfd, (bfd_vma) a2t1_ldr_insn,
s->contents + my_offset);
- bfd_put_32 (output_bfd, a2t2_bx_r12_insn,
+ bfd_put_32 (output_bfd, (bfd_vma) a2t2_bx_r12_insn,
s->contents + my_offset + 4);
/* It's a thumb address. Add the low order bit. */
@@ -1365,7 +1395,7 @@ coff_arm_relocate_section (output_bfd, info, input_bfd, input_section,
if (info->base_file)
arm_emit_base_file_entry (info, output_bfd, s,
- my_offset + 8);
+ my_offset + 8);
}
@@ -1388,8 +1418,8 @@ coff_arm_relocate_section (output_bfd, info, input_bfd, input_section,
tmp = tmp | ((ret_offset >> 2) & 0x00FFFFFF);
- bfd_put_32 (output_bfd, tmp, contents + rel->r_vaddr
- - input_section->vma);
+ bfd_put_32 (output_bfd, (bfd_vma) tmp,
+ contents + rel->r_vaddr - input_section->vma);
done = 1;
}
}
@@ -1404,7 +1434,7 @@ coff_arm_relocate_section (output_bfd, info, input_bfd, input_section,
{
/* Thumb code calling an ARM function */
asection * s = 0;
- long int my_offset;
+ bfd_vma my_offset;
unsigned long int tmp;
long int ret_offset;
struct coff_link_hash_entry * myh;
@@ -1452,22 +1482,22 @@ coff_arm_relocate_section (output_bfd, info, input_bfd, input_section,
if (globals->support_old_code)
{
- bfd_put_16 (output_bfd, t2a1_push_insn,
+ bfd_put_16 (output_bfd, (bfd_vma) t2a1_push_insn,
s->contents + my_offset);
- bfd_put_16 (output_bfd, t2a2_ldr_insn,
+ bfd_put_16 (output_bfd, (bfd_vma) t2a2_ldr_insn,
s->contents + my_offset + 2);
- bfd_put_16 (output_bfd, t2a3_mov_insn,
+ bfd_put_16 (output_bfd, (bfd_vma) t2a3_mov_insn,
s->contents + my_offset + 4);
- bfd_put_16 (output_bfd, t2a4_bx_insn,
+ bfd_put_16 (output_bfd, (bfd_vma) t2a4_bx_insn,
s->contents + my_offset + 6);
- bfd_put_32 (output_bfd, t2a5_pop_insn,
+ bfd_put_32 (output_bfd, (bfd_vma) t2a5_pop_insn,
s->contents + my_offset + 8);
- bfd_put_32 (output_bfd, t2a6_bx_insn,
+ bfd_put_32 (output_bfd, (bfd_vma) t2a6_bx_insn,
s->contents + my_offset + 12);
/* Store the address of the function in the last word of the stub. */
@@ -1475,14 +1505,15 @@ coff_arm_relocate_section (output_bfd, info, input_bfd, input_section,
s->contents + my_offset + 16);
if (info->base_file)
- arm_emit_base_file_entry (info, output_bfd, s, my_offset + 16);
+ arm_emit_base_file_entry (info, output_bfd, s,
+ my_offset + 16);
}
else
{
- bfd_put_16 (output_bfd, t2a1_bx_pc_insn,
+ bfd_put_16 (output_bfd, (bfd_vma) t2a1_bx_pc_insn,
s->contents + my_offset);
- bfd_put_16 (output_bfd, t2a2_noop_insn,
+ bfd_put_16 (output_bfd, (bfd_vma) t2a2_noop_insn,
s->contents + my_offset + 2);
ret_offset =
@@ -1495,7 +1526,7 @@ coff_arm_relocate_section (output_bfd, info, input_bfd, input_section,
+ 8); /* ARM branches work from the pc of the instruction + 8. */
bfd_put_32 (output_bfd,
- t2a3_b_insn | ((ret_offset >> 2) & 0x00FFFFFF),
+ (bfd_vma) t2a3_b_insn | ((ret_offset >> 2) & 0x00FFFFFF),
s->contents + my_offset + 4);
}
@@ -1516,9 +1547,9 @@ coff_arm_relocate_section (output_bfd, info, input_bfd, input_section,
- input_section->vma);
bfd_put_32 (output_bfd,
- insert_thumb_branch (tmp, ret_offset),
- contents + rel->r_vaddr
- - input_section->vma);
+ (bfd_vma) insert_thumb_branch (tmp,
+ ret_offset),
+ contents + rel->r_vaddr - input_section->vma);
done = 1;
}
@@ -1558,7 +1589,8 @@ coff_arm_relocate_section (output_bfd, info, input_bfd, input_section,
{
/* Emit a reloc if the backend thinks it needs it. */
if (sym && pe_data(output_bfd)->in_reloc_p(output_bfd, howto))
- arm_emit_base_file_entry (info, output_bfd, input_section, rel->r_vaddr);
+ arm_emit_base_file_entry (info, output_bfd, input_section,
+ rel->r_vaddr);
}
#if 1 /* THUMBEXTENSION */
@@ -1790,10 +1822,10 @@ bfd_arm_allocate_interworking_sections (info)
BFD_ASSERT (s != NULL);
- foo = (bfd_byte *) bfd_alloc
- (globals->bfd_of_glue_owner, globals->arm_glue_size);
+ foo = (bfd_byte *) bfd_alloc (globals->bfd_of_glue_owner,
+ globals->arm_glue_size);
#if 0
- memset (foo, test_char, globals->arm_glue_size);
+ memset (foo, test_char, (size_t) globals->arm_glue_size);
#endif
s->_raw_size = s->_cooked_size = globals->arm_glue_size;
@@ -1809,10 +1841,10 @@ bfd_arm_allocate_interworking_sections (info)
BFD_ASSERT (s != NULL);
- foo = (bfd_byte *) bfd_alloc
- (globals->bfd_of_glue_owner, globals->thumb_glue_size);
+ foo = (bfd_byte *) bfd_alloc (globals->bfd_of_glue_owner,
+ globals->thumb_glue_size);
#if 0
- memset (foo, test_char, globals->thumb_glue_size);
+ memset (foo, test_char, (size_t) globals->thumb_glue_size);
#endif
s->_raw_size = s->_cooked_size = globals->thumb_glue_size;
@@ -1832,6 +1864,8 @@ record_arm_to_thumb_glue (info, h)
char * tmp_name;
struct coff_link_hash_entry * myh;
struct coff_arm_link_hash_table * globals;
+ bfd_vma val;
+ bfd_size_type amt;
globals = coff_arm_hash_table (info);
@@ -1843,8 +1877,8 @@ record_arm_to_thumb_glue (info, h)
BFD_ASSERT (s != NULL);
- tmp_name = ((char *)
- bfd_malloc (strlen (name) + strlen (ARM2THUMB_GLUE_ENTRY_NAME) + 1));
+ amt = strlen (name) + strlen (ARM2THUMB_GLUE_ENTRY_NAME) + 1;
+ tmp_name = (char *) bfd_malloc (amt);
BFD_ASSERT (tmp_name);
@@ -1863,10 +1897,9 @@ record_arm_to_thumb_glue (info, h)
though the section isn't allocated yet, this is where we will be putting
it. */
+ val = globals->arm_glue_size + 1;
bfd_coff_link_add_one_symbol (info, globals->bfd_of_glue_owner, tmp_name,
- BSF_GLOBAL,
- s, globals->arm_glue_size + 1,
- NULL, true, false,
+ BSF_GLOBAL, s, val, NULL, true, false,
(struct bfd_link_hash_entry **) & myh);
free (tmp_name);
@@ -1886,6 +1919,8 @@ record_thumb_to_arm_glue (info, h)
char * tmp_name;
struct coff_link_hash_entry * myh;
struct coff_arm_link_hash_table * globals;
+ bfd_vma val;
+ bfd_size_type amt;
globals = coff_arm_hash_table (info);
@@ -1897,7 +1932,8 @@ record_thumb_to_arm_glue (info, h)
BFD_ASSERT (s != NULL);
- tmp_name = (char *) bfd_malloc (strlen (name) + strlen (THUMB2ARM_GLUE_ENTRY_NAME) + 1);
+ amt = strlen (name) + strlen (THUMB2ARM_GLUE_ENTRY_NAME) + 1;
+ tmp_name = (char *) bfd_malloc (amt);
BFD_ASSERT (tmp_name);
@@ -1912,10 +1948,10 @@ record_thumb_to_arm_glue (info, h)
return; /* we've already seen this guy */
}
+ val = globals->thumb_glue_size + 1;
bfd_coff_link_add_one_symbol (info, globals->bfd_of_glue_owner, tmp_name,
- BSF_GLOBAL, s, globals->thumb_glue_size + 1,
- NULL, true, false,
- (struct bfd_link_hash_entry **) & myh);
+ BSF_GLOBAL, s, val, NULL, true, false,
+ (struct bfd_link_hash_entry **) &myh);
/* If we mark it 'thumb', the disassembler will do a better job. */
myh->class = C_THUMBEXTFUNC;
@@ -1927,18 +1963,17 @@ record_thumb_to_arm_glue (info, h)
#define CHANGE_TO_ARM "__%s_change_to_arm"
#define BACK_FROM_ARM "__%s_back_from_arm"
- tmp_name = (char *) bfd_malloc (strlen (name) + strlen (CHANGE_TO_ARM) + 1);
+ amt = strlen (name) + strlen (CHANGE_TO_ARM) + 1;
+ tmp_name = (char *) bfd_malloc (amt);
BFD_ASSERT (tmp_name);
sprintf (tmp_name, globals->support_old_code ? BACK_FROM_ARM : CHANGE_TO_ARM, name);
myh = NULL;
-
+ val = globals->thumb_glue_size + (globals->support_old_code ? 8 : 4);
bfd_coff_link_add_one_symbol (info, globals->bfd_of_glue_owner, tmp_name,
- BSF_LOCAL, s, globals->thumb_glue_size
- + (globals->support_old_code ? 8 : 4),
- NULL, true, false,
+ BSF_LOCAL, s, val, NULL, true, false,
(struct bfd_link_hash_entry **) & myh);
free (tmp_name);
@@ -2474,7 +2509,7 @@ coff_arm_is_local_label_name (abfd, name)
if (LOCAL_LABEL_PREFIX[0] != 0)
{
- int len = strlen (LOCAL_LABEL_PREFIX);
+ size_t len = strlen (LOCAL_LABEL_PREFIX);
if (strncmp (name, LOCAL_LABEL_PREFIX, len) != 0)
return false;
generated by cgit v1.1 at 2024-11-23 04:47:18 +0000