From 4265548c65907f095e887148f61af4813b106737 Mon Sep 17 00:00:00 2001 From: Pedro Alves Date: Fri, 17 Feb 2017 01:26:11 +0000 Subject: [PATCH] bfd: Rename read_{signed,unsigned}_leb128, safe_read_leb128 Give these bfd-internal symbols with external linkage a _bfd_ prefix to avoid collisions in the global symbol namespace. bfd/ChangeLog: 2017-02-17 Pedro Alves * dwarf2.c, elf-attrs.c, elf32-nds32.c: Adjust all callers. * libbfd.c (read_unsigned_leb128): Rename to ... (_bfd_read_unsigned_leb128): ... this. (read_signed_leb128): Rename to ... (_bfd_read_signed_leb128): ... this. (safe_read_leb128): Rename to ... (_bfd_safe_read_leb128): ... this. * libbfd-in.h (read_unsigned_leb128): Rename to ... (_bfd_read_unsigned_leb128): ... this. (read_signed_leb128): Rename to ... (_bfd_read_signed_leb128): ... this. (safe_read_leb128): Rename to ... (_bfd_safe_read_leb128): ... this. * libbfd.h: Renegerate. --- bfd/ChangeLog | 17 +++++++++ bfd/dwarf2.c | 87 +++++++++++++++++++++++++++++++---------------- bfd/elf-attrs.c | 8 ++--- bfd/elf32-nds32.c | 4 +-- bfd/libbfd-in.h | 8 ++--- bfd/libbfd.c | 22 ++++++------ bfd/libbfd.h | 8 ++--- 7 files changed, 99 insertions(+), 55 deletions(-) diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 40edca71ff4..34c9bb49e84 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,20 @@ +2017-02-17 Pedro Alves + + * dwarf2.c, elf-attrs.c, elf32-nds32.c: Adjust all callers. + * libbfd.c (read_unsigned_leb128): Rename to ... + (_bfd_read_unsigned_leb128): ... this. + (read_signed_leb128): Rename to ... + (_bfd_read_signed_leb128): ... this. + (safe_read_leb128): Rename to ... + (_bfd_safe_read_leb128): ... this. + * libbfd-in.h (read_unsigned_leb128): Rename to ... + (_bfd_read_unsigned_leb128): ... this. + (read_signed_leb128): Rename to ... + (_bfd_read_signed_leb128): ... this. + (safe_read_leb128): Rename to ... + (_bfd_safe_read_leb128): ... this. + * libbfd.h: Renegerate. + 2017-02-16 Andrew Burgess * dwarf2.c (_bfd_dwarf2_find_nearest_line): Perform symbol lookup diff --git a/bfd/dwarf2.c b/bfd/dwarf2.c index 9bb81264872..25a9ebce737 100644 --- a/bfd/dwarf2.c +++ b/bfd/dwarf2.c @@ -920,15 +920,18 @@ read_abbrevs (bfd *abfd, bfd_uint64_t offset, struct dwarf2_debug *stash) /* Read in abbrev header. */ cur_abbrev->number = abbrev_number; cur_abbrev->tag = (enum dwarf_tag) - safe_read_leb128 (abfd, abbrev_ptr, &bytes_read, FALSE, abbrev_end); + _bfd_safe_read_leb128 (abfd, abbrev_ptr, &bytes_read, + FALSE, abbrev_end); abbrev_ptr += bytes_read; cur_abbrev->has_children = read_1_byte (abfd, abbrev_ptr, abbrev_end); abbrev_ptr += 1; /* Now read in declarations. */ - abbrev_name = safe_read_leb128 (abfd, abbrev_ptr, &bytes_read, FALSE, abbrev_end); + abbrev_name = _bfd_safe_read_leb128 (abfd, abbrev_ptr, &bytes_read, + FALSE, abbrev_end); abbrev_ptr += bytes_read; - abbrev_form = safe_read_leb128 (abfd, abbrev_ptr, &bytes_read, FALSE, abbrev_end); + abbrev_form = _bfd_safe_read_leb128 (abfd, abbrev_ptr, &bytes_read, + FALSE, abbrev_end); abbrev_ptr += bytes_read; while (abbrev_name) @@ -963,9 +966,11 @@ read_abbrevs (bfd *abfd, bfd_uint64_t offset, struct dwarf2_debug *stash) = (enum dwarf_attribute) abbrev_name; cur_abbrev->attrs[cur_abbrev->num_attrs++].form = (enum dwarf_form) abbrev_form; - abbrev_name = safe_read_leb128 (abfd, abbrev_ptr, &bytes_read, FALSE, abbrev_end); + abbrev_name = _bfd_safe_read_leb128 (abfd, abbrev_ptr, &bytes_read, + FALSE, abbrev_end); abbrev_ptr += bytes_read; - abbrev_form = safe_read_leb128 (abfd, abbrev_ptr, &bytes_read, FALSE, abbrev_end); + abbrev_form = _bfd_safe_read_leb128 (abfd, abbrev_ptr, &bytes_read, + FALSE, abbrev_end); abbrev_ptr += bytes_read; } @@ -983,7 +988,8 @@ read_abbrevs (bfd *abfd, bfd_uint64_t offset, struct dwarf2_debug *stash) if ((unsigned int) (abbrev_ptr - stash->dwarf_abbrev_buffer) >= stash->dwarf_abbrev_size) break; - abbrev_number = safe_read_leb128 (abfd, abbrev_ptr, &bytes_read, FALSE, abbrev_end); + abbrev_number = _bfd_safe_read_leb128 (abfd, abbrev_ptr, + &bytes_read, FALSE, abbrev_end); abbrev_ptr += bytes_read; if (lookup_abbrev (abbrev_number, abbrevs) != NULL) break; @@ -1104,7 +1110,8 @@ read_attribute_value (struct attribute * attr, blk = (struct dwarf_block *) bfd_alloc (abfd, amt); if (blk == NULL) return NULL; - blk->size = safe_read_leb128 (abfd, info_ptr, &bytes_read, FALSE, info_ptr_end); + blk->size = _bfd_safe_read_leb128 (abfd, info_ptr, &bytes_read, + FALSE, info_ptr_end); info_ptr += bytes_read; blk->data = read_n_bytes (abfd, info_ptr, info_ptr_end, blk->size); info_ptr += blk->size; @@ -1133,11 +1140,13 @@ read_attribute_value (struct attribute * attr, attr->u.val = 1; break; case DW_FORM_sdata: - attr->u.sval = safe_read_leb128 (abfd, info_ptr, &bytes_read, TRUE, info_ptr_end); + attr->u.sval = _bfd_safe_read_leb128 (abfd, info_ptr, &bytes_read, + TRUE, info_ptr_end); info_ptr += bytes_read; break; case DW_FORM_udata: - attr->u.val = safe_read_leb128 (abfd, info_ptr, &bytes_read, FALSE, info_ptr_end); + attr->u.val = _bfd_safe_read_leb128 (abfd, info_ptr, &bytes_read, + FALSE, info_ptr_end); info_ptr += bytes_read; break; case DW_FORM_ref1: @@ -1161,11 +1170,13 @@ read_attribute_value (struct attribute * attr, info_ptr += 8; break; case DW_FORM_ref_udata: - attr->u.val = safe_read_leb128 (abfd, info_ptr, &bytes_read, FALSE, info_ptr_end); + attr->u.val = _bfd_safe_read_leb128 (abfd, info_ptr, &bytes_read, + FALSE, info_ptr_end); info_ptr += bytes_read; break; case DW_FORM_indirect: - form = safe_read_leb128 (abfd, info_ptr, &bytes_read, FALSE, info_ptr_end); + form = _bfd_safe_read_leb128 (abfd, info_ptr, &bytes_read, + FALSE, info_ptr_end); info_ptr += bytes_read; info_ptr = read_attribute_value (attr, form, unit, info_ptr, info_ptr_end); break; @@ -1918,11 +1929,13 @@ decode_line_info (struct comp_unit *unit, struct dwarf2_debug *stash) table->files[table->num_files].name = cur_file; table->files[table->num_files].dir = - safe_read_leb128 (abfd, line_ptr, &bytes_read, FALSE, line_end); + _bfd_safe_read_leb128 (abfd, line_ptr, &bytes_read, FALSE, line_end); line_ptr += bytes_read; - table->files[table->num_files].time = safe_read_leb128 (abfd, line_ptr, &bytes_read, FALSE, line_end); + table->files[table->num_files].time + = _bfd_safe_read_leb128 (abfd, line_ptr, &bytes_read, FALSE, line_end); line_ptr += bytes_read; - table->files[table->num_files].size = safe_read_leb128 (abfd, line_ptr, &bytes_read, FALSE, line_end); + table->files[table->num_files].size + = _bfd_safe_read_leb128 (abfd, line_ptr, &bytes_read, FALSE, line_end); line_ptr += bytes_read; table->num_files++; } @@ -1986,7 +1999,8 @@ decode_line_info (struct comp_unit *unit, struct dwarf2_debug *stash) else switch (op_code) { case DW_LNS_extended_op: - exop_len = safe_read_leb128 (abfd, line_ptr, &bytes_read, FALSE, line_end); + exop_len = _bfd_safe_read_leb128 (abfd, line_ptr, &bytes_read, + FALSE, line_end); line_ptr += bytes_read; extended_op = read_1_byte (abfd, line_ptr, line_end); line_ptr += 1; @@ -2027,19 +2041,23 @@ decode_line_info (struct comp_unit *unit, struct dwarf2_debug *stash) } table->files[table->num_files].name = cur_file; table->files[table->num_files].dir = - safe_read_leb128 (abfd, line_ptr, &bytes_read, FALSE, line_end); + _bfd_safe_read_leb128 (abfd, line_ptr, &bytes_read, + FALSE, line_end); line_ptr += bytes_read; table->files[table->num_files].time = - safe_read_leb128 (abfd, line_ptr, &bytes_read, FALSE, line_end); + _bfd_safe_read_leb128 (abfd, line_ptr, &bytes_read, + FALSE, line_end); line_ptr += bytes_read; table->files[table->num_files].size = - safe_read_leb128 (abfd, line_ptr, &bytes_read, FALSE, line_end); + _bfd_safe_read_leb128 (abfd, line_ptr, &bytes_read, + FALSE, line_end); line_ptr += bytes_read; table->num_files++; break; case DW_LNE_set_discriminator: discriminator = - safe_read_leb128 (abfd, line_ptr, &bytes_read, FALSE, line_end); + _bfd_safe_read_leb128 (abfd, line_ptr, &bytes_read, + FALSE, line_end); line_ptr += bytes_read; break; case DW_LNE_HP_source_file_correlation: @@ -2068,12 +2086,14 @@ decode_line_info (struct comp_unit *unit, struct dwarf2_debug *stash) case DW_LNS_advance_pc: if (lh.maximum_ops_per_insn == 1) address += (lh.minimum_instruction_length - * safe_read_leb128 (abfd, line_ptr, &bytes_read, - FALSE, line_end)); + * _bfd_safe_read_leb128 (abfd, line_ptr, + &bytes_read, + FALSE, line_end)); else { - bfd_vma adjust = safe_read_leb128 (abfd, line_ptr, &bytes_read, - FALSE, line_end); + bfd_vma adjust = _bfd_safe_read_leb128 (abfd, line_ptr, + &bytes_read, + FALSE, line_end); address = ((op_index + adjust) / lh.maximum_ops_per_insn * lh.minimum_instruction_length); op_index = (op_index + adjust) % lh.maximum_ops_per_insn; @@ -2081,7 +2101,8 @@ decode_line_info (struct comp_unit *unit, struct dwarf2_debug *stash) line_ptr += bytes_read; break; case DW_LNS_advance_line: - line += safe_read_leb128 (abfd, line_ptr, &bytes_read, TRUE, line_end); + line += _bfd_safe_read_leb128 (abfd, line_ptr, &bytes_read, + TRUE, line_end); line_ptr += bytes_read; break; case DW_LNS_set_file: @@ -2090,7 +2111,8 @@ decode_line_info (struct comp_unit *unit, struct dwarf2_debug *stash) /* The file and directory tables are 0 based, the references are 1 based. */ - file = safe_read_leb128 (abfd, line_ptr, &bytes_read, FALSE, line_end); + file = _bfd_safe_read_leb128 (abfd, line_ptr, &bytes_read, + FALSE, line_end); line_ptr += bytes_read; if (filename) free (filename); @@ -2098,7 +2120,8 @@ decode_line_info (struct comp_unit *unit, struct dwarf2_debug *stash) break; } case DW_LNS_set_column: - column = safe_read_leb128 (abfd, line_ptr, &bytes_read, FALSE, line_end); + column = _bfd_safe_read_leb128 (abfd, line_ptr, &bytes_read, + FALSE, line_end); line_ptr += bytes_read; break; case DW_LNS_negate_stmt: @@ -2128,7 +2151,8 @@ decode_line_info (struct comp_unit *unit, struct dwarf2_debug *stash) /* Unknown standard opcode, ignore it. */ for (i = 0; i < lh.standard_opcode_lengths[op_code]; i++) { - (void) safe_read_leb128 (abfd, line_ptr, &bytes_read, FALSE, line_end); + (void) _bfd_safe_read_leb128 (abfd, line_ptr, &bytes_read, + FALSE, line_end); line_ptr += bytes_read; } break; @@ -2562,7 +2586,8 @@ find_abstract_instance_name (struct comp_unit *unit, info_ptr_end = unit->end_ptr; } - abbrev_number = safe_read_leb128 (abfd, info_ptr, &bytes_read, FALSE, info_ptr_end); + abbrev_number = _bfd_safe_read_leb128 (abfd, info_ptr, &bytes_read, + FALSE, info_ptr_end); info_ptr += bytes_read; if (abbrev_number) @@ -2702,7 +2727,8 @@ scan_unit_for_symbols (struct comp_unit *unit) if (info_ptr >= info_ptr_end) goto fail; - abbrev_number = safe_read_leb128 (abfd, info_ptr, &bytes_read, FALSE, info_ptr_end); + abbrev_number = _bfd_safe_read_leb128 (abfd, info_ptr, &bytes_read, + FALSE, info_ptr_end); info_ptr += bytes_read; if (! abbrev_number) @@ -3018,7 +3044,8 @@ parse_comp_unit (struct dwarf2_debug *stash, if (! abbrevs) return NULL; - abbrev_number = safe_read_leb128 (abfd, info_ptr, &bytes_read, FALSE, end_ptr); + abbrev_number = _bfd_safe_read_leb128 (abfd, info_ptr, &bytes_read, + FALSE, end_ptr); info_ptr += bytes_read; if (! abbrev_number) { diff --git a/bfd/elf-attrs.c b/bfd/elf-attrs.c index f7bfce91c25..def1345eeb0 100644 --- a/bfd/elf-attrs.c +++ b/bfd/elf-attrs.c @@ -493,7 +493,7 @@ _bfd_elf_parse_attributes (bfd *abfd, Elf_Internal_Shdr * hdr) bfd_vma subsection_len; bfd_byte *end; - tag = safe_read_leb128 (abfd, p, &n, FALSE, p_end); + tag = _bfd_safe_read_leb128 (abfd, p, &n, FALSE, p_end); p += n; if (p < p_end - 4) subsection_len = bfd_get_32 (abfd, p); @@ -517,13 +517,13 @@ _bfd_elf_parse_attributes (bfd *abfd, Elf_Internal_Shdr * hdr) { int type; - tag = safe_read_leb128 (abfd, p, &n, FALSE, end); + tag = _bfd_safe_read_leb128 (abfd, p, &n, FALSE, end); p += n; type = _bfd_elf_obj_attrs_arg_type (abfd, vendor, tag); switch (type & (ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_STR_VAL)) { case ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_STR_VAL: - val = safe_read_leb128 (abfd, p, &n, FALSE, end); + val = _bfd_safe_read_leb128 (abfd, p, &n, FALSE, end); p += n; bfd_elf_add_obj_attr_int_string (abfd, vendor, tag, val, (char *) p); @@ -535,7 +535,7 @@ _bfd_elf_parse_attributes (bfd *abfd, Elf_Internal_Shdr * hdr) p += strlen ((char *)p) + 1; break; case ATTR_TYPE_FLAG_INT_VAL: - val = safe_read_leb128 (abfd, p, &n, FALSE, end); + val = _bfd_safe_read_leb128 (abfd, p, &n, FALSE, end); p += n; bfd_elf_add_obj_attr_int (abfd, vendor, tag, val); break; diff --git a/bfd/elf32-nds32.c b/bfd/elf32-nds32.c index 3d510a0d545..982816089e5 100644 --- a/bfd/elf32-nds32.c +++ b/bfd/elf32-nds32.c @@ -8696,8 +8696,8 @@ nds32_elf_relax_delete_blanks (bfd *abfd, asection *sec, unsigned long before, between; bfd_byte *endp, *p; - val = read_unsigned_leb128 (abfd, contents + irel->r_offset, - &len); + val = _bfd_read_unsigned_leb128 (abfd, contents + irel->r_offset, + &len); before = get_nds32_elf_blank_total (&blank_t, irel->r_addend, 0); between = get_nds32_elf_blank_total (&blank_t, diff --git a/bfd/libbfd-in.h b/bfd/libbfd-in.h index eb8861191ac..2776d627000 100644 --- a/bfd/libbfd-in.h +++ b/bfd/libbfd-in.h @@ -851,7 +851,7 @@ extern void bfd_section_already_linked_table_traverse (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry *, void *), void *); -extern bfd_vma read_unsigned_leb128 (bfd *, bfd_byte *, unsigned int *); -extern bfd_signed_vma read_signed_leb128 (bfd *, bfd_byte *, unsigned int *); -extern bfd_vma safe_read_leb128 (bfd *, bfd_byte *, unsigned int *, - bfd_boolean, const bfd_byte * const); +extern bfd_vma _bfd_read_unsigned_leb128 (bfd *, bfd_byte *, unsigned int *); +extern bfd_signed_vma _bfd_read_signed_leb128 (bfd *, bfd_byte *, unsigned int *); +extern bfd_vma _bfd_safe_read_leb128 (bfd *, bfd_byte *, unsigned int *, + bfd_boolean, const bfd_byte * const); diff --git a/bfd/libbfd.c b/bfd/libbfd.c index 236818ec8fd..4a3e4c20aee 100644 --- a/bfd/libbfd.c +++ b/bfd/libbfd.c @@ -954,9 +954,9 @@ warn_deprecated (const char *what, /* Helper function for reading uleb128 encoded data. */ bfd_vma -read_unsigned_leb128 (bfd *abfd ATTRIBUTE_UNUSED, - bfd_byte *buf, - unsigned int *bytes_read_ptr) +_bfd_read_unsigned_leb128 (bfd *abfd ATTRIBUTE_UNUSED, + bfd_byte *buf, + unsigned int *bytes_read_ptr) { bfd_vma result; unsigned int num_read; @@ -985,11 +985,11 @@ read_unsigned_leb128 (bfd *abfd ATTRIBUTE_UNUSED, No bytes will be read at address END or beyond. */ bfd_vma -safe_read_leb128 (bfd *abfd ATTRIBUTE_UNUSED, - bfd_byte *data, - unsigned int *length_return, - bfd_boolean sign, - const bfd_byte * const end) +_bfd_safe_read_leb128 (bfd *abfd ATTRIBUTE_UNUSED, + bfd_byte *data, + unsigned int *length_return, + bfd_boolean sign, + const bfd_byte * const end) { bfd_vma result = 0; unsigned int num_read = 0; @@ -1021,9 +1021,9 @@ safe_read_leb128 (bfd *abfd ATTRIBUTE_UNUSED, /* Helper function for reading sleb128 encoded data. */ bfd_signed_vma -read_signed_leb128 (bfd *abfd ATTRIBUTE_UNUSED, - bfd_byte *buf, - unsigned int *bytes_read_ptr) +_bfd_read_signed_leb128 (bfd *abfd ATTRIBUTE_UNUSED, + bfd_byte *buf, + unsigned int *bytes_read_ptr) { bfd_vma result; unsigned int shift; diff --git a/bfd/libbfd.h b/bfd/libbfd.h index 2cbb0b05389..3ea747d2be3 100644 --- a/bfd/libbfd.h +++ b/bfd/libbfd.h @@ -856,10 +856,10 @@ extern void bfd_section_already_linked_table_traverse (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry *, void *), void *); -extern bfd_vma read_unsigned_leb128 (bfd *, bfd_byte *, unsigned int *); -extern bfd_signed_vma read_signed_leb128 (bfd *, bfd_byte *, unsigned int *); -extern bfd_vma safe_read_leb128 (bfd *, bfd_byte *, unsigned int *, - bfd_boolean, const bfd_byte * const); +extern bfd_vma _bfd_read_unsigned_leb128 (bfd *, bfd_byte *, unsigned int *); +extern bfd_signed_vma _bfd_read_signed_leb128 (bfd *, bfd_byte *, unsigned int *); +extern bfd_vma _bfd_safe_read_leb128 (bfd *, bfd_byte *, unsigned int *, + bfd_boolean, const bfd_byte * const); /* Extracted from libbfd.c. */ bfd_boolean bfd_write_bigendian_4byte_int (bfd *, unsigned int); -- 2.30.2