/* DWARF 1 find nearest line (_bfd_dwarf1_find_nearest_line).
Copyright 1998, 1999, 2000 Free Software Foundation, Inc.
-Written by Gavin Romig-Koch of Cygnus Solutions (gavin@cygnus.com).
+Written by Gavin Romig-Koch of Cygnus Solutions (gavin@cygnus.com).
This file is part of BFD.
#include "elf-bfd.h"
#include "elf/dwarf.h"
-/* dwarf1_debug is the starting point for all dwarf1 info. */
+/* dwarf1_debug is the starting point for all dwarf1 info. */
struct dwarf1_debug {
- /* The bfd we are working with. */
+ /* The bfd we are working with. */
bfd* abfd;
- /* List of already parsed compilation units. */
+ /* List of already parsed compilation units. */
struct dwarf1_unit* lastUnit;
- /* The buffer for the .debug section.
- Zero indicates that the .debug section failed to load. */
+ /* The buffer for the .debug section.
+ Zero indicates that the .debug section failed to load. */
char* debug_section;
- /* Pointer to the end of the .debug_info section memory buffer. */
+ /* Pointer to the end of the .debug_info section memory buffer. */
char* debug_section_end;
- /* The buffer for the .line section. */
+ /* The buffer for the .line section. */
char* line_section;
- /* End of that buffer. */
+ /* End of that buffer. */
char* line_section_end;
- /* The current or next unread die within the .debug section. */
+ /* The current or next unread die within the .debug section. */
char* currentDie;
};
-/* One dwarf1_unit for each parsed compilation unit die. */
+/* One dwarf1_unit for each parsed compilation unit die. */
struct dwarf1_unit {
- /* Linked starting from stash->lastUnit. */
+ /* Linked starting from stash->lastUnit. */
struct dwarf1_unit* prev;
- /* Name of the compilation unit. */
+ /* Name of the compilation unit. */
char* name;
- /* The highest and lowest address used in the compilation unit. */
+ /* The highest and lowest address used in the compilation unit. */
unsigned long low_pc;
unsigned long high_pc;
/* Does this unit have a statement list? */
int has_stmt_list;
- /* If any, the offset of the line number table in the .line section. */
+ /* If any, the offset of the line number table in the .line section. */
unsigned long stmt_list_offset;
- /* If non-zero, a pointer to the first child of this unit. */
+ /* If non-zero, a pointer to the first child of this unit. */
char* first_child;
/* How many line entries? */
unsigned long line_count;
- /* The decoded line number table (line_count entries). */
+ /* The decoded line number table (line_count entries). */
struct linenumber* linenumber_table;
- /* The list of functions in this unit. */
+ /* The list of functions in this unit. */
struct dwarf1_func* func_list;
};
-
-
/* One dwarf1_func for each parsed function die. */
struct dwarf1_func {
- /* Linked starting from aUnit->func_list. */
+ /* Linked starting from aUnit->func_list. */
struct dwarf1_func* prev;
-
- /* Name of function. */
+
+ /* Name of function. */
char* name;
-
- /* The highest and lowest address used in the compilation unit. */
+
+ /* The highest and lowest address used in the compilation unit. */
unsigned long low_pc;
unsigned long high_pc;
};
-
-/* Used to return info about a parsed die. */
+/* Used to return info about a parsed die. */
struct die_info {
unsigned long length;
unsigned long sibling;
unsigned long low_pc;
unsigned long high_pc;
unsigned long stmt_list_offset;
-
- char* name;
-
+
+ char* name;
+
int has_stmt_list;
unsigned short tag;
};
-
-/* Parsed line number information. */
+/* Parsed line number information. */
struct linenumber {
- /* First address in the line. */
+ /* First address in the line. */
unsigned long addr;
- /* The line number. */
+ /* The line number. */
unsigned long linenumber;
};
-
-/* Find the form of an attr, from the attr field. */
+/* Find the form of an attr, from the attr field. */
#define FORM_FROM_ATTR(attr) ((attr) & 0xF) /* Implicitly specified */
-
/* Return a newly allocated dwarf1_unit. It should be cleared and
- then attached into the 'stash' at 'stash->lastUnit'. */
+ then attached into the 'stash' at 'stash->lastUnit'. */
static struct dwarf1_unit*
alloc_dwarf1_unit (stash)
struct dwarf1_debug* stash;
{
- struct dwarf1_unit* x =
- (struct dwarf1_unit*) bfd_zalloc (stash->abfd,
+ struct dwarf1_unit* x =
+ (struct dwarf1_unit*) bfd_zalloc (stash->abfd,
sizeof (struct dwarf1_unit));
x->prev = stash->lastUnit;
stash->lastUnit = x;
}
/* Return a newly allocated dwarf1_func. It must be cleared and
- attached into 'aUnit' at 'aUnit->func_list'. */
+ attached into 'aUnit' at 'aUnit->func_list'. */
static struct dwarf1_func*
alloc_dwarf1_func (stash, aUnit)
struct dwarf1_debug* stash;
struct dwarf1_unit* aUnit;
{
- struct dwarf1_func* x =
- (struct dwarf1_func*) bfd_zalloc (stash->abfd,
+ struct dwarf1_func* x =
+ (struct dwarf1_func*) bfd_zalloc (stash->abfd,
sizeof (struct dwarf1_func));
x->prev = aUnit->func_list;
aUnit->func_list = x;
-
+
return x;
}
/* parse_die - parse a Dwarf1 die.
Parse the die starting at 'aDiePtr' into 'aDieInfo'.
'abfd' must be the bfd from which the section that 'aDiePtr'
- points to was pulled from.
+ points to was pulled from.
- Return false if the die is invalidly formatted; true otherwise. */
+ Return false if the die is invalidly formatted; true otherwise. */
static boolean
parse_die (abfd, aDieInfo, aDiePtr)
char* this_die = aDiePtr;
char* xptr = this_die;
- memset (aDieInfo,0,sizeof(*aDieInfo));
+ memset (aDieInfo,0,sizeof (*aDieInfo));
- /* First comes the length. */
+ /* First comes the length. */
aDieInfo->length = bfd_get_32 (abfd, (bfd_byte *) xptr);
xptr += 4;
if (aDieInfo->length == 0)
return false;
if (aDieInfo->length < 6)
{
- /* Just padding bytes. */
+ /* Just padding bytes. */
aDieInfo->tag = TAG_padding;
return true;
}
- /* Then the tag. */
+ /* Then the tag. */
aDieInfo->tag = bfd_get_16 (abfd, (bfd_byte *) xptr);
xptr += 2;
-
- /* Then the attributes. */
+
+ /* Then the attributes. */
while (xptr < (this_die + aDieInfo->length))
{
unsigned short attr;
-
- /* Parse the attribute based on its form. This section
+
+ /* Parse the attribute based on its form. This section
must handle all dwarf1 forms, but need only handle the
- actual attributes that we care about. */
+ actual attributes that we care about. */
attr = bfd_get_16 (abfd, (bfd_byte *) xptr);
xptr += 2;
-
+
switch (FORM_FROM_ATTR (attr))
{
case FORM_DATA2:
}
/* Parse a dwarf1 line number table for 'aUnit->stmt_list_offset'
- into 'aUnit->linenumber_table'. Return false if an error
- occurs; true otherwise. */
-
+ into 'aUnit->linenumber_table'. Return false if an error
+ occurs; true otherwise. */
+
static boolean
parse_line_table (stash, aUnit)
struct dwarf1_debug* stash;
{
char* xptr;
- /* Load the ".line" section from the bfd if we haven't already. */
+ /* Load the ".line" section from the bfd if we haven't already. */
if (stash->line_section == 0)
{
asection *msec;
unsigned long size;
-
+
msec = bfd_get_section_by_name (stash->abfd, ".line");
if (! msec)
return false;
-
+
size = bfd_get_section_size_before_reloc (msec);
stash->line_section = (char *) bfd_alloc (stash->abfd, size);
-
+
if (! stash->line_section)
return false;
char* tblend;
unsigned long base;
- /* First comes the length. */
+ /* First comes the length. */
tblend = bfd_get_32 (stash->abfd, (bfd_byte *) xptr) + xptr;
xptr += 4;
- /* Then the base address for each address in the table. */
+ /* Then the base address for each address in the table. */
base = bfd_get_32 (stash->abfd, (bfd_byte *) xptr);
xptr += 4;
10 = 4 (line number) + 2 (pos in line) + 4 (address in line) */
aUnit->line_count = (tblend - xptr) / 10;
- /* Allocate an array for the entries. */
+ /* Allocate an array for the entries. */
aUnit->linenumber_table = (struct linenumber *)
- bfd_alloc (stash->abfd,
+ bfd_alloc (stash->abfd,
sizeof (struct linenumber) * aUnit->line_count);
-
+
for (eachLine = 0; eachLine < aUnit->line_count; eachLine++)
{
- /* A line number. */
+ /* A line number. */
aUnit->linenumber_table[eachLine].linenumber
= bfd_get_32 (stash->abfd, (bfd_byte *) xptr);
xptr += 4;
- /* Skip the position within the line. */
+ /* Skip the position within the line. */
xptr += 2;
- /* And finally the address. */
- aUnit->linenumber_table[eachLine].addr
+ /* And finally the address. */
+ aUnit->linenumber_table[eachLine].addr
= base + bfd_get_32 (stash->abfd, (bfd_byte *) xptr);
xptr += 4;
}
/* Parse each function die in a compilation unit 'aUnit'.
The first child die of 'aUnit' should be in 'aUnit->first_child',
the result is placed in 'aUnit->func_list'.
- Return false if error; true otherwise. */
+ Return false if error; true otherwise. */
static boolean
parse_functions_in_unit (stash, aUnit)
)
{
struct die_info eachDieInfo;
-
+
if (! parse_die (stash->abfd, &eachDieInfo, eachDie))
return false;
-
+
if (eachDieInfo.tag == TAG_global_subroutine
|| eachDieInfo.tag == TAG_subroutine
|| eachDieInfo.tag == TAG_inlined_subroutine
|| eachDieInfo.tag == TAG_entry_point)
{
struct dwarf1_func* aFunc = alloc_dwarf1_func (stash,aUnit);
-
+
aFunc->name = eachDieInfo.name;
aFunc->low_pc = eachDieInfo.low_pc;
aFunc->high_pc = eachDieInfo.high_pc;
}
-
+
/* Move to next sibling, if none, end loop */
if (eachDieInfo.sibling)
eachDie = stash->debug_section + eachDieInfo.sibling;
else
break;
}
-
+
return true;
}
/* Find the nearest line to 'addr' in 'aUnit'.
- Return whether we found the line (or a function) without error. */
+ Return whether we found the line (or a function) without error. */
static boolean
-dwarf1_unit_find_nearest_line (stash, aUnit, addr,
+dwarf1_unit_find_nearest_line (stash, aUnit, addr,
filename_ptr, functionname_ptr,
linenumber_ptr)
struct dwarf1_debug* stash;
}
}
- for (eachFunc = aUnit->func_list;
- eachFunc;
+ for (eachFunc = aUnit->func_list;
+ eachFunc;
eachFunc = eachFunc->prev)
{
if (eachFunc->low_pc <= addr
return line_p || func_p;
}
-
-
-
/* The DWARF 1 version of find_nearest line.
- Return true if the line is found without error. */
+ Return true if the line is found without error. */
boolean
_bfd_dwarf1_find_nearest_line (abfd, section, symbols, offset,
*filename_ptr = NULL;
*functionname_ptr = NULL;
*linenumber_ptr = 0;
-
if (! stash)
{
asection *msec;
unsigned long size;
-
+
stash = elf_tdata (abfd)->dwarf1_find_line_info =
(struct dwarf1_debug*) bfd_zalloc (abfd, sizeof (struct dwarf1_debug));
-
+
if (! stash)
return false;
-
+
msec = bfd_get_section_by_name (abfd, ".debug");
if (! msec)
{
/* No dwarf1 info. Note that at this point the stash
has been allocated, but contains zeros, this lets
- future calls to this function fail quicker. */
+ future calls to this function fail quicker. */
return false;
}
size = bfd_get_section_size_before_reloc (msec);
stash->debug_section = (char *) bfd_alloc (abfd, size);
-
+
if (! stash->debug_section)
return false;
}
/* A null debug_section indicates that there was no dwarf1 info
- or that an error occured while setting up the stash. */
+ or that an error occured while setting up the stash. */
if (! stash->debug_section)
return false;
-
/* Look at the previously parsed units to see if any contain
- the addr. */
+ the addr. */
for (eachUnit = stash->lastUnit; eachUnit; eachUnit = eachUnit->prev)
{
if (eachUnit->low_pc <= addr && addr < eachUnit->high_pc)
return dwarf1_unit_find_nearest_line (stash, eachUnit, addr,
- filename_ptr,
- functionname_ptr,
+ filename_ptr,
+ functionname_ptr,
linenumber_ptr);
}
if (! parse_die (stash->abfd, &aDieInfo, stash->currentDie))
return false;
-
+
if (aDieInfo.tag == TAG_compile_unit)
{
struct dwarf1_unit* aUnit
= alloc_dwarf1_unit (stash);
-
+
aUnit->name = aDieInfo.name;
aUnit->low_pc = aDieInfo.low_pc;
aUnit->high_pc = aDieInfo.high_pc;
aUnit->has_stmt_list = aDieInfo.has_stmt_list;
aUnit->stmt_list_offset = aDieInfo.stmt_list_offset;
-
+
/* A die has a child if it's followed by a die that is
- not it's sibling. */
- if (aDieInfo.sibling
- && stash->currentDie + aDieInfo.length
+ not it's sibling. */
+ if (aDieInfo.sibling
+ && stash->currentDie + aDieInfo.length
< stash->debug_section_end
- && stash->currentDie + aDieInfo.length
+ && stash->currentDie + aDieInfo.length
!= stash->debug_section + aDieInfo.sibling)
aUnit->first_child = stash->currentDie + aDieInfo.length;
else
aUnit->first_child = 0;
if (aUnit->low_pc <= addr && addr < aUnit->high_pc)
- return dwarf1_unit_find_nearest_line (stash, aUnit, addr,
- filename_ptr,
- functionname_ptr,
+ return dwarf1_unit_find_nearest_line (stash, aUnit, addr,
+ filename_ptr,
+ functionname_ptr,
linenumber_ptr);
}
-
+
if (aDieInfo.sibling != 0)
stash->currentDie = stash->debug_section + aDieInfo.sibling;
else
return false;
}
-
/* EOF */
#define DW_SND(attr) ((attr)->u.snd)
#define DW_ADDR(attr) ((attr)->u.addr)
-/* Blocks are a bunch of untyped bytes. */
+/* Blocks are a bunch of untyped bytes. */
struct dwarf_block
{
unsigned int size;
/* True if there is a line number table associated with this comp. unit. */
int stmtlist;
-
+
/* The offset into .debug_line of the line number table. */
unsigned long line_offset;
struct line_info_table* line_table;
/* A list of the functions found in this comp. unit. */
- struct funcinfo* function_table;
+ struct funcinfo* function_table;
/* Address size for this unit - from unit header. */
unsigned char addr_size;
};
-/* VERBATIM
- The following function up to the END VERBATIM mark are
+/* VERBATIM
+ The following function up to the END VERBATIM mark are
copied directly from dwarf2read.c. */
/* Read dwarf information from a buffer. */
*bytes_read_ptr = 1;
return NULL;
}
-
+
*bytes_read_ptr = strlen (buf) + 1;
return buf;
}
result = 0;
shift = 0;
num_read = 0;
-
+
do
{
byte = bfd_get_8 (abfd, (bfd_byte *) buf);
shift += 7;
}
while (byte & 0x80);
-
+
* bytes_read_ptr = num_read;
-
+
return result;
}
shift += 7;
}
while (byte & 0x80);
-
+
if ((shift < 32) && (byte & 0x40))
result |= -(1 << shift);
* bytes_read_ptr = num_read;
-
+
return result;
}
}
}
-/* This data structure holds the information of an abbrev. */
+/* This data structure holds the information of an abbrev. */
struct abbrev_info
{
unsigned int number; /* Number identifying abbrev. */
else
abbrev = abbrev->next;
}
-
+
return NULL;
}
bfd_set_error (bfd_error_bad_value);
return 0;
}
-
+
stash->dwarf_abbrev_size = msec->_raw_size;
stash->dwarf_abbrev_buffer = (char*) bfd_alloc (abfd, stash->dwarf_abbrev_size);
if (! stash->dwarf_abbrev_buffer)
return 0;
-
- if (! bfd_get_section_contents (abfd, msec,
+
+ if (! bfd_get_section_contents (abfd, msec,
stash->dwarf_abbrev_buffer, 0,
stash->dwarf_abbrev_size))
return 0;
if (offset > stash->dwarf_abbrev_size)
{
- (*_bfd_error_handler) (_("Dwarf Error: Abbrev offset (%u) bigger than abbrev size (%u)."),
+ (*_bfd_error_handler) (_("Dwarf Error: Abbrev offset (%u) bigger than abbrev size (%u)."),
offset, stash->dwarf_abbrev_size );
bfd_set_error (bfd_error_bad_value);
return 0;
}
- abbrevs = (struct abbrev_info**) bfd_zalloc (abfd, sizeof(struct abbrev_info*) * ABBREV_HASH_SIZE);
+ abbrevs = (struct abbrev_info**) bfd_zalloc (abfd, sizeof (struct abbrev_info*) * ABBREV_HASH_SIZE);
abbrev_ptr = stash->dwarf_abbrev_buffer + offset;
abbrev_number = read_unsigned_leb128 (abfd, abbrev_ptr, &bytes_read);
abbrev_ptr += bytes_read;
abbrev_form = read_unsigned_leb128 (abfd, abbrev_ptr, &bytes_read);
abbrev_ptr += bytes_read;
-
+
while (abbrev_name)
{
if ((cur_abbrev->num_attrs % ATTR_ALLOC_CHUNK) == 0)
if (! cur_abbrev->attrs)
return 0;
}
-
+
cur_abbrev->attrs[cur_abbrev->num_attrs].name = abbrev_name;
cur_abbrev->attrs[cur_abbrev->num_attrs++].form = abbrev_form;
abbrev_name = read_unsigned_leb128 (abfd, abbrev_ptr, &bytes_read);
attr->name = abbrev->name;
attr->form = abbrev->form;
-
+
switch (abbrev->form)
{
case DW_FORM_addr:
struct line_info* last_line;
};
-static void
+static void
add_line_info (table, address, filename, line, column, end_sequence)
struct line_info_table* table;
bfd_vma address;
/* First see if we can cheaply extend an existing range. */
arange = &unit->arange;
-
+
do
{
if (low_pc == arange->high)
bfd_set_error (bfd_error_bad_value);
return 0;
}
-
+
stash->dwarf_line_size = msec->_raw_size;
stash->dwarf_line_buffer = (char *) bfd_alloc (abfd, stash->dwarf_line_size);
if (! stash->dwarf_line_buffer)
return 0;
- if (! bfd_get_section_contents (abfd, msec,
+ if (! bfd_get_section_contents (abfd, msec,
stash->dwarf_line_buffer, 0,
stash->dwarf_line_size))
return 0;
return 0;
}
- table = (struct line_info_table*) bfd_alloc (abfd,
+ table = (struct line_info_table*) bfd_alloc (abfd,
sizeof (struct line_info_table));
table->abfd = abfd;
table->comp_dir = unit->comp_dir;
bfd_alloc (abfd, lh.opcode_base * sizeof (unsigned char));
lh.standard_opcode_lengths[0] = 1;
-
+
for (i = 1; i < lh.opcode_base; ++i)
{
lh.standard_opcode_lengths[i] = read_1_byte (abfd, line_ptr);
while ((cur_dir = read_string (abfd, line_ptr, &bytes_read)) != NULL)
{
line_ptr += bytes_read;
-
+
if ((table->num_dirs % DIR_ALLOC_CHUNK) == 0)
{
table->dirs = (char **)
if (! table->dirs)
return 0;
}
-
+
table->dirs[table->num_dirs++] = cur_dir;
}
-
+
line_ptr += bytes_read;
/* Read file name table. */
while ((cur_file = read_string (abfd, line_ptr, &bytes_read)) != NULL)
{
line_ptr += bytes_read;
-
+
if ((table->num_files % FILE_ALLOC_CHUNK) == 0)
{
table->files = (struct fileinfo *)
if (! table->files)
return 0;
}
-
+
table->files[table->num_files].name = cur_file;
table->files[table->num_files].dir =
read_unsigned_leb128 (abfd, line_ptr, &bytes_read);
line_ptr += bytes_read;
table->num_files++;
}
-
+
line_ptr += bytes_read;
/* Read the statement sequences until there's nothing left. */
{
op_code = read_1_byte (abfd, line_ptr);
line_ptr += 1;
-
+
switch (op_code)
{
case DW_LNS_extended_op:
LINENUMBER_PTR, are pointers to the objects to be filled in. */
static boolean
-lookup_address_in_line_info_table (table,
+lookup_address_in_line_info_table (table,
addr,
- filename_ptr,
+ filename_ptr,
linenumber_ptr)
struct line_info_table* table;
bfd_vma addr;
{
struct line_info* next_line = table->last_line;
struct line_info* each_line;
-
+
if (!next_line)
return false;
next_line = each_line;
each_line = each_line->prev_line;
}
-
+
return false;
}
-
+
/* Function table functions. */
struct funcinfo
bfd_vma high;
};
-/* If ADDR is within TABLE, set FUNCTIONNAME_PTR, and return true. */
+/* If ADDR is within TABLE, set FUNCTIONNAME_PTR, and return true. */
static boolean
-lookup_address_in_function_table (table,
+lookup_address_in_function_table (table,
addr,
functionname_ptr)
struct funcinfo* table;
return true;
}
}
-
+
return false;
}
nesting_level--;
continue;
}
-
+
abbrev = lookup_abbrev (abbrev_number,unit->abbrevs);
if (! abbrev)
{
- (*_bfd_error_handler) (_("Dwarf Error: Could not find abbrev number %d."),
+ (*_bfd_error_handler) (_("Dwarf Error: Could not find abbrev number %d."),
abbrev_number);
bfd_set_error (bfd_error_bad_value);
return false;
}
-
+
if (abbrev->tag == DW_TAG_subprogram)
{
func = (struct funcinfo*) bfd_zalloc (abfd, sizeof (struct funcinfo));
}
else
func = NULL;
-
+
for (i = 0; i < abbrev->num_attrs; ++i)
{
info_ptr = read_attribute (&attr, &abbrev->attrs[i], unit, info_ptr);
-
+
if (func)
{
switch (attr.name)
{
case DW_AT_name:
-
+
name = DW_STRING (&attr);
/* Prefer DW_AT_MIPS_linkage_name over DW_AT_name. */
if (func->name == NULL)
func->name = DW_STRING (&attr);
break;
-
+
case DW_AT_MIPS_linkage_name:
func->name = DW_STRING (&attr);
break;
case DW_AT_name:
name = DW_STRING (&attr);
break;
-
+
default:
break;
}
bfd_set_error (bfd_error_bad_value);
return 0;
}
-
+
unit = (struct comp_unit*) bfd_zalloc (abfd, sizeof (struct comp_unit));
unit->abfd = abfd;
- unit->addr_size = addr_size;
+ unit->addr_size = addr_size;
unit->abbrevs = abbrevs;
unit->end_ptr = end_ptr;
arange = arange->next;
}
while (arange);
-
+
return 0;
}
/* If UNIT contains ADDR, set the output parameters to the values for
the line containing ADDR. The output parameters, FILENAME_PTR,
FUNCTIONNAME_PTR, and LINENUMBER_PTR, are pointers to the objects
- to be filled in.
+ to be filled in.
Return true of UNIT contains ADDR, and no errors were encountered;
false otherwise. */
{
boolean line_p;
boolean func_p;
-
+
if (unit->error)
return false;
unit->error = 1;
return false;
}
-
+
unit->line_table = decode_line_info (unit);
if (! unit->line_table)
unit->error = 1;
return false;
}
-
+
if (! scan_unit_for_functions (unit))
{
unit->error = 1;
line_p = lookup_address_in_line_info_table (unit->line_table,
addr,
- filename_ptr,
+ filename_ptr,
linenumber_ptr);
- func_p = lookup_address_in_function_table (unit->function_table,
+ func_p = lookup_address_in_function_table (unit->function_table,
addr,
functionname_ptr);
return line_p || func_p;
/* Read each compilation unit from the section .debug_info, and check
to see if it contains the address we are searching for. If yes,
lookup the address, and return the line number info. If no, go
- on to the next compilation unit.
+ on to the next compilation unit.
We keep a list of all the previously read compilation units, and
- a pointer to the next un-read compilation unit. Check the
+ a pointer to the next un-read compilation unit. Check the
previously read units before reading more. */
struct dwarf2_debug *stash = elf_tdata (abfd)->dwarf2_find_line_info;
bfd_vma addr = offset + section->vma;
struct comp_unit* each;
-
+
*filename_ptr = NULL;
*functionname_ptr = NULL;
*linenumber_ptr = 0;
if (addr_size == 0)
addr_size = 4;
BFD_ASSERT (addr_size == 4 || addr_size == 8);
-
+
if (! stash)
{
unsigned long total_size;
us to avoid reallocing the data as we add sections to the stash. */
for (total_size = 0; msec; msec = find_debug_info (abfd, msec))
total_size += msec->_raw_size;
-
+
stash->info_ptr = (char *) bfd_alloc (abfd, total_size);
if (stash->info_ptr == NULL)
return false;
relocs. There is a similar problem when the .debug_line
section is processed as well (e.g., there may be relocs
against the operand of the DW_LNE_set_address operator).
-
+
Unfortunately getting hold of the reloc information is hard...
-
+
For now, this means that disassembling object files (as
opposed to fully executables) does not always work as well as
we would like. */
-
- /* A null info_ptr indicates that there is no dwarf2 info
+
+ /* A null info_ptr indicates that there is no dwarf2 info
(or that an error occured while setting up the stash). */
if (! stash->info_ptr)
return false;
/* Check the previously read comp. units first. */
for (each = stash->all_comp_units; each; each = each->next_unit)
if (comp_unit_contains_address (each, addr))
- return comp_unit_find_nearest_line (each, addr, filename_ptr,
+ return comp_unit_find_nearest_line (each, addr, filename_ptr,
functionname_ptr, linenumber_ptr);
/* Read each remaining comp. units checking each as they are read. */
if (length > 0)
{
- each = parse_comp_unit (abfd, stash->info_ptr,
+ each = parse_comp_unit (abfd, stash->info_ptr,
stash->info_ptr + length,
addr_size);
stash->info_ptr += length;
projects / binutils-gdb.git / commitdiff