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| author | Martin Sebor <msebor@redhat.com> | 2016-09-21 01:39:27 +0000 |
|---|---|---|
| committer | Martin Sebor <msebor@gcc.gnu.org> | 2016-09-20 19:39:27 -0600 |
| commit | 88d0c3f0a1448e71dcf49c2f34909ec8d7ce348f (patch) | |
| tree | 31a2a49deedcccbfcfdac5857b76449a9235f4a1 /gcc/config/sol2.c | |
| parent | 6283a8db1fdcd3d505fabe0dca27e8fdf10c2ac7 (diff) | |
| download | gcc-88d0c3f0a1448e71dcf49c2f34909ec8d7ce348f.zip gcc-88d0c3f0a1448e71dcf49c2f34909ec8d7ce348f.tar.gz gcc-88d0c3f0a1448e71dcf49c2f34909ec8d7ce348f.tar.bz2 | |
PR middle-end/49905 - Better sanity checking on sprintf src & dest to
gcc/ChangeLog:
PR middle-end/49905
* Makefile.in (OBJS): Add gimple-ssa-sprintf.o.
* config/linux.h (TARGET_PRINTF_POINTER_FORMAT): Redefine.
* config/linux.c (gnu_libc_printf_pointer_format): New function.
* config/sol2.h (TARGET_PRINTF_POINTER_FORMAT): Same.
* config/sol2.c (solaris_printf_pointer_format): New function.
* doc/invoke.texi (-Wformat-length, -fprintf-return-value): New
options.
* doc/tm.texi.in (TARGET_PRINTF_POINTER_FORMAT): Document.
* doc/tm.texi: Regenerate.
* gimple-fold.h (get_range_strlen): New function.
(get_maxval_strlen): Declare existing function.
* gimple-fold.c (get_range_strlen): Add arguments and compute both
maximum and minimum.
(get_range_strlen): Define overload.
(get_maxval_strlen): Adjust.
* gimple-ssa-sprintf.c: New file and pass.
* passes.def (pass_sprintf_length): Add new pass.
* targhooks.h (default_printf_pointer_format): Declare new function.
(gnu_libc_printf_pointer_format): Same.
(solaris_libc_printf_pointer_format): Same.
* targhooks.c (default_printf_pointer_format): Define new function.
* tree-pass.h (make_pass_sprintf_length): Declare new function.
* print-tree.c: Increase buffer size.
gcc/c-family/ChangeLog:
PR middle-end/49905
* c.opt: Add -Wformat-length and -fprintf-return-value.
gcc/testsuite/ChangeLog:
PR middle-end/49905
* gcc.dg/builtin-stringop-chk-1.c: Adjust.
* gcc.dg/tree-ssa/builtin-sprintf-warn-1.c: New test.
* gcc.dg/tree-ssa/builtin-sprintf-warn-2.c: New test.
* gcc.dg/tree-ssa/builtin-sprintf-warn-3.c: New test.
* gcc.dg/tree-ssa/builtin-sprintf-warn-4.c: New test.
* gcc.dg/tree-ssa/builtin-sprintf.c: New test.
* gcc.dg/tree-ssa/builtin-sprintf-2.c: New test.
From-SVN: r240298
Diffstat (limited to 'gcc/config/sol2.c')
| -rw-r--r-- | gcc/config/sol2.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/config/sol2.c b/gcc/config/sol2.c index 47b41fd..30c525a 100644 --- a/gcc/config/sol2.c +++ b/gcc/config/sol2.c @@ -30,6 +30,9 @@ along with GCC; see the file COPYING3. If not see #include "varasm.h" #include "output.h" +#undef TARGET_PRINTF_POINTER_FORMAT +#define TARGET_PRINTF_POINTER_FORMAT solaris_printf_pointer_format + tree solaris_pending_aligns, solaris_pending_inits, solaris_pending_finis; /* Attach any pending attributes for DECL to the list in *ATTRIBUTES. @@ -297,3 +300,14 @@ solaris_override_options (void) if (!HAVE_LD_EH_FRAME_CIEV3 && !global_options_set.x_dwarf_version) dwarf_version = 2; } + +/* Solaris libc formats pointers as if by "%zx" with the pound ('#') + format flag having the same meaning as in the integer directive. */ + +const char* +solaris_printf_pointer_format (tree, const char **flags) +{ + *flags = "#"; + + return "%zx"; +} |