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authorMark Kettenis <kettenis@gnu.org>2005-07-12 13:06:54 +0000
committerMark Kettenis <kettenis@gnu.org>2005-07-12 13:06:54 +0000
commit852483bc793b005fc6a7cad8bb6a15846fe7ef25 (patch)
tree245dcaded679cc857d24048d5f07b0a90b154eb6 /gdb/dwarf2-frame.c
parent22a44745e3c45871c3124196752c5b7bf0c593e3 (diff)
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* dwarf2expr.h: Tweak comment.
(struct dwarf_expr_context): Use `gdb_byte *' in read_mem and get_frame_base function pointers. (read_uleb128, read_sleb128): Change return type and types of first two arguments to `gdb_byte *'. (dwarf2_read_address): Change types of first two arguments to `gdb_byte *'. * dwarf2expr.c: Tweak comment. (dwarf_expr_eval): Change type of second argument to `gdb_byte *'. (read_uleb128, read_sleb128): Change return type and types of first two arguments to `gdb_byte *'. (dwarf2_read_address): Change types of first two arguments to `gdb_byte *'. (execute_stack_op): Change types of last two arguments to `gdb_byte *'. Use `gdb_byte *' for byte buffers. * dwarf2loc.h: Tweak comment. (struct dwarf2_locexpr_baton, struct dwarf2_loclist_baton): Use `gdb_byte *' for byte buffers. * dwarf2loc.c (find_location_expression): Change return type to `gdb_byte *'. Use `gdb_byte *' for byte buffers. Change length to `unsigned int'. (dwarf_expr_read_reg): Use `gdb_byte *' for byte buffer. Remove bogus cast. (dwarf_expr_read_mem): Change type of second argument to `gdb_byte *'. (dwarf_expr_frame_base): Change type of second argument to `gdb_byte **'. (dwarf2_evaluate_loc_desc): Change type of third argument to `gdb_byte *'. (needs_frame_read_mem): Change type of second argument to `gdb_byte *'. (needs_frame_frame_base): Change type of second argument `gdb_byte **'. Use gdb_byte for lit0. (dwarf2_tracepoint_var_ref): Change type of fourth argument to `gdb_byte *'. Use `gdb_byte *' for byte buffer. (loclist_read_variable, loclist_tracepoint_var_ref): Use `gdb_byte *' for byte buffer. * dwarf2-frame.c (struct dwarf2_cie, struct dwarf2_fde) (struct dwarf2_frame_state): Use gdb_byte instead of `unsigned char'. (read_reg): Use `gdb_byte *' for byte buffers. Remove redundant cast. (read_mem): Change second argument to `gdb_byte *'. (no_get_frame_base): Change second argument to `gdb_byte **'. (execute_stack_op): Change first argument to `gdb_byte *'. (execute_cfa_program): Change first two arguments to `gdb_byte *'. Use gdb_byte instead of `unsigned int'. Use temprorary variable to store result of read_uleb128. (struct comp_unit): Use `gdb_byte *' for byte buffers. (read_1_byte, read_4_bytes, read_8_bytes): Change last argument to `gdb_byte *'. (read_unsigned_leb128, read_signed_leb128): Change second argument to `gdb_byte *'. Use gdb_byte instead of `unsigned char'. (read_initial_length): Change second argument to `gdb_byte *'. Remove redundant casts. (read_encoded_value): Use gdb_byte instead of `unsigned char'. Remove bogus casts. (decode_frame_entry_1): Change return type and second argument to `gdb_byte *'. Use `gdb_byte *' for byte buffers. Use gdb_byte instead of `unsigned char'. (decode_frame_entry): Change return type and second argument to `gdb_byte *'. Use `gdb_byte *' for byte buffers. (dwarf2_build_frame_info): Use `gdb_byte *' for byte buffers.
Diffstat (limited to 'gdb/dwarf2-frame.c')
-rw-r--r--gdb/dwarf2-frame.c98
1 files changed, 49 insertions, 49 deletions
diff --git a/gdb/dwarf2-frame.c b/gdb/dwarf2-frame.c
index a7d27a7..945d216 100644
--- a/gdb/dwarf2-frame.c
+++ b/gdb/dwarf2-frame.c
@@ -60,11 +60,11 @@ struct dwarf2_cie
ULONGEST return_address_register;
/* Instruction sequence to initialize a register set. */
- unsigned char *initial_instructions;
- unsigned char *end;
+ gdb_byte *initial_instructions;
+ gdb_byte *end;
/* Encoding of addresses. */
- unsigned char encoding;
+ gdb_byte encoding;
/* True if a 'z' augmentation existed. */
unsigned char saw_z_augmentation;
@@ -86,8 +86,8 @@ struct dwarf2_fde
CORE_ADDR address_range;
/* Instruction sequence. */
- unsigned char *instructions;
- unsigned char *end;
+ gdb_byte *instructions;
+ gdb_byte *end;
struct dwarf2_fde *next;
};
@@ -112,7 +112,7 @@ struct dwarf2_frame_state
LONGEST cfa_offset;
ULONGEST cfa_reg;
- unsigned char *cfa_exp;
+ gdb_byte *cfa_exp;
enum {
CFA_UNSET,
CFA_REG_OFFSET,
@@ -208,23 +208,23 @@ read_reg (void *baton, int reg)
struct frame_info *next_frame = (struct frame_info *) baton;
struct gdbarch *gdbarch = get_frame_arch (next_frame);
int regnum;
- char *buf;
+ gdb_byte *buf;
regnum = DWARF2_REG_TO_REGNUM (reg);
- buf = (char *) alloca (register_size (gdbarch, regnum));
+ buf = alloca (register_size (gdbarch, regnum));
frame_unwind_register (next_frame, regnum, buf);
return extract_typed_address (buf, builtin_type_void_data_ptr);
}
static void
-read_mem (void *baton, char *buf, CORE_ADDR addr, size_t len)
+read_mem (void *baton, gdb_byte *buf, CORE_ADDR addr, size_t len)
{
read_memory (addr, buf, len);
}
static void
-no_get_frame_base (void *baton, unsigned char **start, size_t *length)
+no_get_frame_base (void *baton, gdb_byte **start, size_t *length)
{
internal_error (__FILE__, __LINE__,
_("Support for DW_OP_fbreg is unimplemented"));
@@ -238,7 +238,7 @@ no_get_tls_address (void *baton, CORE_ADDR offset)
}
static CORE_ADDR
-execute_stack_op (unsigned char *exp, ULONGEST len,
+execute_stack_op (gdb_byte *exp, ULONGEST len,
struct frame_info *next_frame, CORE_ADDR initial)
{
struct dwarf_expr_context *ctx;
@@ -265,7 +265,7 @@ execute_stack_op (unsigned char *exp, ULONGEST len,
static void
-execute_cfa_program (unsigned char *insn_ptr, unsigned char *insn_end,
+execute_cfa_program (gdb_byte *insn_ptr, gdb_byte *insn_end,
struct frame_info *next_frame,
struct dwarf2_frame_state *fs)
{
@@ -274,7 +274,7 @@ execute_cfa_program (unsigned char *insn_ptr, unsigned char *insn_end,
while (insn_ptr < insn_end && fs->pc <= pc)
{
- unsigned char insn = *insn_ptr++;
+ gdb_byte insn = *insn_ptr++;
ULONGEST utmp, reg;
LONGEST offset;
@@ -399,7 +399,8 @@ bad CFI data; mismatched DW_CFA_restore_state at 0x%s"), paddr (fs->pc));
break;
case DW_CFA_def_cfa_offset:
- insn_ptr = read_uleb128 (insn_ptr, insn_end, &fs->cfa_offset);
+ insn_ptr = read_uleb128 (insn_ptr, insn_end, &utmp);
+ fs->cfa_offset = utmp;
/* cfa_how deliberately not set. */
break;
@@ -1020,7 +1021,7 @@ struct comp_unit
struct dwarf2_cie *cie;
/* Pointer to the .debug_frame section loaded into memory. */
- char *dwarf_frame_buffer;
+ gdb_byte *dwarf_frame_buffer;
/* Length of the loaded .debug_frame section. */
unsigned long dwarf_frame_size;
@@ -1038,30 +1039,30 @@ struct comp_unit
const struct objfile_data *dwarf2_frame_objfile_data;
static unsigned int
-read_1_byte (bfd *bfd, char *buf)
+read_1_byte (bfd *abfd, gdb_byte *buf)
{
- return bfd_get_8 (abfd, (bfd_byte *) buf);
+ return bfd_get_8 (abfd, buf);
}
static unsigned int
-read_4_bytes (bfd *abfd, char *buf)
+read_4_bytes (bfd *abfd, gdb_byte *buf)
{
- return bfd_get_32 (abfd, (bfd_byte *) buf);
+ return bfd_get_32 (abfd, buf);
}
static ULONGEST
-read_8_bytes (bfd *abfd, char *buf)
+read_8_bytes (bfd *abfd, gdb_byte *buf)
{
- return bfd_get_64 (abfd, (bfd_byte *) buf);
+ return bfd_get_64 (abfd, buf);
}
static ULONGEST
-read_unsigned_leb128 (bfd *abfd, char *buf, unsigned int *bytes_read_ptr)
+read_unsigned_leb128 (bfd *abfd, gdb_byte *buf, unsigned int *bytes_read_ptr)
{
ULONGEST result;
unsigned int num_read;
int shift;
- unsigned char byte;
+ gdb_byte byte;
result = 0;
shift = 0;
@@ -1083,12 +1084,12 @@ read_unsigned_leb128 (bfd *abfd, char *buf, unsigned int *bytes_read_ptr)
}
static LONGEST
-read_signed_leb128 (bfd *abfd, char *buf, unsigned int *bytes_read_ptr)
+read_signed_leb128 (bfd *abfd, gdb_byte *buf, unsigned int *bytes_read_ptr)
{
LONGEST result;
int shift;
unsigned int num_read;
- unsigned char byte;
+ gdb_byte byte;
result = 0;
shift = 0;
@@ -1113,14 +1114,14 @@ read_signed_leb128 (bfd *abfd, char *buf, unsigned int *bytes_read_ptr)
}
static ULONGEST
-read_initial_length (bfd *abfd, char *buf, unsigned int *bytes_read_ptr)
+read_initial_length (bfd *abfd, gdb_byte *buf, unsigned int *bytes_read_ptr)
{
LONGEST result;
- result = bfd_get_32 (abfd, (bfd_byte *) buf);
+ result = bfd_get_32 (abfd, buf);
if (result == 0xffffffff)
{
- result = bfd_get_64 (abfd, (bfd_byte *) buf + 4);
+ result = bfd_get_64 (abfd, buf + 4);
*bytes_read_ptr = 12;
}
else
@@ -1146,7 +1147,7 @@ read_initial_length (bfd *abfd, char *buf, unsigned int *bytes_read_ptr)
position in the FDE, ...). Bit 7, indicates that the address
should be dereferenced. */
-static unsigned char
+static gdb_byte
encoding_for_size (unsigned int size)
{
switch (size)
@@ -1163,7 +1164,7 @@ encoding_for_size (unsigned int size)
}
static unsigned int
-size_of_encoded_value (unsigned char encoding)
+size_of_encoded_value (gdb_byte encoding)
{
if (encoding == DW_EH_PE_omit)
return 0;
@@ -1184,8 +1185,8 @@ size_of_encoded_value (unsigned char encoding)
}
static CORE_ADDR
-read_encoded_value (struct comp_unit *unit, unsigned char encoding,
- unsigned char *buf, unsigned int *bytes_read_ptr)
+read_encoded_value (struct comp_unit *unit, gdb_byte encoding,
+ gdb_byte *buf, unsigned int *bytes_read_ptr)
{
int ptr_len = size_of_encoded_value (DW_EH_PE_absptr);
ptrdiff_t offset;
@@ -1206,7 +1207,7 @@ read_encoded_value (struct comp_unit *unit, unsigned char encoding,
break;
case DW_EH_PE_pcrel:
base = bfd_get_section_vma (unit->bfd, unit->dwarf_frame_section);
- base += ((char *) buf - unit->dwarf_frame_buffer);
+ base += (buf - unit->dwarf_frame_buffer);
break;
case DW_EH_PE_datarel:
base = unit->dbase;
@@ -1224,7 +1225,7 @@ read_encoded_value (struct comp_unit *unit, unsigned char encoding,
break;
case DW_EH_PE_aligned:
base = 0;
- offset = (char *) buf - unit->dwarf_frame_buffer;
+ offset = buf - unit->dwarf_frame_buffer;
if ((offset % ptr_len) != 0)
{
*bytes_read_ptr = ptr_len - (offset % ptr_len);
@@ -1243,7 +1244,7 @@ read_encoded_value (struct comp_unit *unit, unsigned char encoding,
case DW_EH_PE_uleb128:
{
ULONGEST value;
- unsigned char *end_buf = buf + (sizeof (value) + 1) * 8 / 7;
+ gdb_byte *end_buf = buf + (sizeof (value) + 1) * 8 / 7;
*bytes_read_ptr += read_uleb128 (buf, end_buf, &value) - buf;
return base + value;
}
@@ -1259,7 +1260,7 @@ read_encoded_value (struct comp_unit *unit, unsigned char encoding,
case DW_EH_PE_sleb128:
{
LONGEST value;
- char *end_buf = buf + (sizeof (value) + 1) * 8 / 7;
+ gdb_byte *end_buf = buf + (sizeof (value) + 1) * 8 / 7;
*bytes_read_ptr += read_sleb128 (buf, end_buf, &value) - buf;
return base + value;
}
@@ -1353,21 +1354,20 @@ add_fde (struct comp_unit *unit, struct dwarf2_fde *fde)
#define DW64_CIE_ID ~0
#endif
-static char *decode_frame_entry (struct comp_unit *unit, char *start,
- int eh_frame_p);
+static gdb_byte *decode_frame_entry (struct comp_unit *unit, gdb_byte *start,
+ int eh_frame_p);
/* Decode the next CIE or FDE. Return NULL if invalid input, otherwise
the next byte to be processed. */
-static char *
-decode_frame_entry_1 (struct comp_unit *unit, char *start, int eh_frame_p)
+static gdb_byte *
+decode_frame_entry_1 (struct comp_unit *unit, gdb_byte *start, int eh_frame_p)
{
- char *buf;
+ gdb_byte *buf, *end;
LONGEST length;
unsigned int bytes_read;
int dwarf64_p;
ULONGEST cie_id;
ULONGEST cie_pointer;
- char *end;
buf = start;
length = read_initial_length (unit->abfd, buf, &bytes_read);
@@ -1434,8 +1434,8 @@ decode_frame_entry_1 (struct comp_unit *unit, char *start, int eh_frame_p)
buf += 1;
/* Interpret the interesting bits of the augmentation. */
- augmentation = buf;
- buf = augmentation + strlen (augmentation) + 1;
+ augmentation = (char *) buf;
+ buf += (strlen (augmentation) + 1);
/* The GCC 2.x "eh" augmentation has a pointer immediately
following the augmentation string, so it must be handled
@@ -1499,7 +1499,7 @@ decode_frame_entry_1 (struct comp_unit *unit, char *start, int eh_frame_p)
else if (*augmentation == 'P')
{
/* Skip. Avoid indirection since we throw away the result. */
- unsigned char encoding = (*buf++) & ~DW_EH_PE_indirect;
+ gdb_byte encoding = (*buf++) & ~DW_EH_PE_indirect;
read_encoded_value (unit, encoding, buf, &bytes_read);
buf += bytes_read;
augmentation++;
@@ -1587,11 +1587,11 @@ decode_frame_entry_1 (struct comp_unit *unit, char *start, int eh_frame_p)
}
/* Read a CIE or FDE in BUF and decode it. */
-static char *
-decode_frame_entry (struct comp_unit *unit, char *start, int eh_frame_p)
+static gdb_byte *
+decode_frame_entry (struct comp_unit *unit, gdb_byte *start, int eh_frame_p)
{
enum { NONE, ALIGN4, ALIGN8, FAIL } workaround = NONE;
- char *ret;
+ gdb_byte *ret;
const char *msg;
ptrdiff_t start_offset;
@@ -1693,7 +1693,7 @@ void
dwarf2_build_frame_info (struct objfile *objfile)
{
struct comp_unit unit;
- char *frame_ptr;
+ gdb_byte *frame_ptr;
/* Build a minimal decoding of the DWARF2 compilation unit. */
unit.abfd = objfile->obfd;