diff options
Diffstat (limited to 'bfd/dwarf2.c')
-rw-r--r-- | bfd/dwarf2.c | 78 |
1 files changed, 10 insertions, 68 deletions
diff --git a/bfd/dwarf2.c b/bfd/dwarf2.c index d86c66e..d5544d9 100644 --- a/bfd/dwarf2.c +++ b/bfd/dwarf2.c @@ -84,10 +84,6 @@ struct dwarf2_debug into a buffer yet. */ char* info_ptr; - /* Preserve the original value of info_ptr for the current - comp_unit so we can find a given entry by its reference. */ - char* info_ptr_unit; - /* Pointer to the end of the .debug_info section memory buffer. */ char* info_ptr_end; @@ -155,6 +151,10 @@ struct comp_unit /* TRUE if there is a line number table associated with this comp. unit. */ int stmtlist; + /* Pointer to the current comp_unit so that we can find a given entry + by its reference. */ + char *info_ptr_unit; + /* The offset into .debug_line of the line number table. */ unsigned long line_offset; @@ -321,67 +321,6 @@ read_indirect_string (struct comp_unit* unit, return buf; } -static unsigned int -read_unsigned_leb128 (bfd *abfd ATTRIBUTE_UNUSED, - char *buf, - unsigned int *bytes_read_ptr) -{ - unsigned int result; - unsigned int num_read; - int shift; - unsigned char byte; - - result = 0; - shift = 0; - num_read = 0; - - do - { - byte = bfd_get_8 (abfd, buf); - buf ++; - num_read ++; - result |= ((byte & 0x7f) << shift); - shift += 7; - } - while (byte & 0x80); - - * bytes_read_ptr = num_read; - - return result; -} - -static int -read_signed_leb128 (bfd *abfd ATTRIBUTE_UNUSED, - char *buf, - unsigned int * bytes_read_ptr) -{ - int result; - int shift; - int num_read; - unsigned char byte; - - result = 0; - shift = 0; - num_read = 0; - - do - { - byte = bfd_get_8 (abfd, buf); - buf ++; - num_read ++; - result |= ((byte & 0x7f) << shift); - shift += 7; - } - while (byte & 0x80); - - if ((shift < 32) && (byte & 0x40)) - result |= -(1 << shift); - - * bytes_read_ptr = num_read; - - return result; -} - /* END VERBATIM */ static bfd_uint64_t @@ -1332,7 +1271,7 @@ find_abstract_instance_name (struct comp_unit *unit, bfd_uint64_t die_ref) struct attribute attr; char *name = 0; - info_ptr = unit->stash->info_ptr_unit + die_ref; + info_ptr = unit->info_ptr_unit + die_ref; abbrev_number = read_unsigned_leb128 (abfd, info_ptr, &bytes_read); info_ptr += bytes_read; @@ -1478,6 +1417,7 @@ static struct comp_unit * parse_comp_unit (bfd *abfd, struct dwarf2_debug *stash, bfd_vma unit_length, + char *info_ptr_unit, unsigned int offset_size) { struct comp_unit* unit; @@ -1558,6 +1498,7 @@ parse_comp_unit (bfd *abfd, unit->abbrevs = abbrevs; unit->end_ptr = end_ptr; unit->stash = stash; + unit->info_ptr_unit = info_ptr_unit; for (i = 0; i < abbrev->num_attrs; ++i) { @@ -1803,7 +1744,6 @@ _bfd_dwarf2_find_nearest_line (bfd *abfd, if (stash->info_ptr == NULL) return FALSE; - stash->info_ptr_unit = stash->info_ptr; stash->info_ptr_end = stash->info_ptr; for (msec = find_debug_info (abfd, NULL); @@ -1851,6 +1791,7 @@ _bfd_dwarf2_find_nearest_line (bfd *abfd, bfd_vma length; bfd_boolean found; unsigned int offset_size = addr_size; + char *info_ptr_unit = stash->info_ptr; length = read_4_bytes (abfd, stash->info_ptr); /* A 0xffffff length is the DWARF3 way of indicating we use @@ -1883,7 +1824,8 @@ _bfd_dwarf2_find_nearest_line (bfd *abfd, if (length > 0) { - each = parse_comp_unit (abfd, stash, length, offset_size); + each = parse_comp_unit (abfd, stash, length, info_ptr_unit, + offset_size); stash->info_ptr += length; if ((bfd_vma) (stash->info_ptr - stash->sec_info_ptr) |