Some older GCCs are not clever enough to realize that when search_table
is NULL not only are search_table_entries and search_table_encoding not
initialized, they are also not used. Giving "may be used uninitialized"
errors.
Signed-off-by: Mark Wielaard <m...@redhat.com>
---
libdw/ChangeLog | 5 +++++
libdw/dwarf_getcfi_elf.c | 6 +++---
2 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/libdw/ChangeLog b/libdw/ChangeLog
index 37f94df..c199707 100644
--- a/libdw/ChangeLog
+++ b/libdw/ChangeLog
@@ -1,3 +1,8 @@
+2014-11-27 Mark Wielaard <m...@redhat.com>
+
+ * dwarf_getcfi_elf.c (getcfi_gnu_eh_frame): Initialize
+ search_table_entries and search_table_encoding.
+
2014-11-24 Mark Wielaard <m...@redhat.com>
* dwarf_getsrclines.c (read_srclines): Check line_range is not zero
diff --git a/libdw/dwarf_getcfi_elf.c b/libdw/dwarf_getcfi_elf.c
index a423ef3..61ca60d 100644
--- a/libdw/dwarf_getcfi_elf.c
+++ b/libdw/dwarf_getcfi_elf.c
@@ -1,5 +1,5 @@
/* Get CFI from ELF file's exception-handling info.
- Copyright (C) 2009-2010 Red Hat, Inc.
+ Copyright (C) 2009-2010, 2014 Red Hat, Inc.
This file is part of elfutils.
This file is free software; you can redistribute it and/or modify
@@ -140,8 +140,8 @@ getcfi_gnu_eh_frame (Elf *elf, const GElf_Ehdr *ehdr, const
GElf_Phdr *phdr)
}
Dwarf_Addr eh_frame_ptr;
- size_t search_table_entries;
- uint8_t search_table_encoding;
+ size_t search_table_entries = 0;
+ uint8_t search_table_encoding = 0;
const uint8_t *search_table = parse_eh_frame_hdr (data->d_buf,
phdr->p_filesz,
phdr->p_vaddr, ehdr,
&eh_frame_ptr,
--
1.9.3
