https://sourceware.org/bugzilla/show_bug.cgi?id=17453
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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=65879393f04e14a9ab8797a8e66e0ec8d94108b5
commit 65879393f04e14a9ab8797a8e66e0ec8d94108b5
Author: Alan Modra <amo...@gmail.com>
Date: Tue Oct 14 13:36:20 2014 +1030
Avoid undefined behaviour with signed expressions
PR 17453
bfd/
* libbfd.c (COERCE16, COERCE32, COERCE64): Use unsigned types.
(EIGHT_GAZILLION): Delete.
binutils/
* dwarf.c (read_leb128): Avoid signed overflow.
(read_debug_line_header): Likewise.
gas/
* config/tc-i386.c (fits_in_signed_long): Use unsigned param and
expression to avoid signed overflow.
(fits_in_signed_byte, fits_in_unsigned_byte, fits_in_unsigned_word,
fits_in_signed_word, fits_in_unsigned_long): Similarly.
* expr.c (operand <'-'>): Avoid signed overflow.
* read.c (s_comm_internal): Likewise.
-----------------------------------------------------------------------
Summary of changes:
bfd/ChangeLog | 6 ++++++
bfd/libbfd.c | 7 +++----
binutils/ChangeLog | 6 ++++++
binutils/dwarf.c | 8 ++------
gas/ChangeLog | 10 ++++++++++
gas/config/tc-i386.c | 25 ++++++++++++-------------
gas/expr.c | 3 ++-
gas/read.c | 2 +-
gas/write.c | 2 +-
9 files changed, 43 insertions(+), 26 deletions(-)
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