diff options
| author | Jan Kratochvil <jan.kratochvil@redhat.com> | 2012-10-08 23:51:31 +0200 |
|---|---|---|
| committer | Jan Kratochvil <jan.kratochvil@redhat.com> | 2012-10-08 23:51:31 +0200 |
| commit | 1d67c0c87a56349f7a0169e6bef6385696d86af2 (patch) | |
| tree | bd9c89e490cb7f7d06965e185aab913e3efb0ea9 | |
| parent | 07f3507442cb3f913000844025ca139925afe110 (diff) | |
| download | elfutils-1d67c0c87a56349f7a0169e6bef6385696d86af2.tar.gz | |
lib/
system.h (eu_static_assert): New macro.
libdw/
cfi.c: New include system.h.
(execute_cfi) (enough_registers): Clear new memory after realloc.
Signed-off-by: Jan Kratochvil <jan.kratochvil@redhat.com>
| -rw-r--r-- | lib/ChangeLog | 4 | ||||
| -rw-r--r-- | lib/system.h | 7 | ||||
| -rw-r--r-- | libdw/ChangeLog | 5 | ||||
| -rw-r--r-- | libdw/cfi.c | 4 |
4 files changed, 20 insertions, 0 deletions
diff --git a/lib/ChangeLog b/lib/ChangeLog index 47e831ea..46eeeca0 100644 --- a/lib/ChangeLog +++ b/lib/ChangeLog @@ -1,3 +1,7 @@ +2012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com> + + * system.h (eu_static_assert): New macro. + 2012-01-21 Ulrich Drepper <drepper@gmail.com> * Makefile.am (libeu_a_SOURCES): Add color.c. diff --git a/lib/system.h b/lib/system.h index 9ac01f89..d9adee9c 100644 --- a/lib/system.h +++ b/lib/system.h @@ -121,4 +121,11 @@ extern char *color_weak; extern const char color_off[]; +/* A static assertion. This will cause a compile-time error if EXPR, + which must be a compile-time constant, is false. */ + +#define eu_static_assert(expr) \ + extern int never_defined_just_used_for_checking[(expr) ? 1 : -1] \ + __attribute__ ((unused)) + #endif /* system.h */ diff --git a/libdw/ChangeLog b/libdw/ChangeLog index 0d2d5f11..7db34ea5 100644 --- a/libdw/ChangeLog +++ b/libdw/ChangeLog @@ -1,5 +1,10 @@ 2012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com> + * cfi.c: New include system.h. + (execute_cfi) (enough_registers): Clear new memory after realloc. + +2012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com> + * fde.c (__libdw_find_fde): Change <fde != NULL> to likely. Return DWARF_E_NO_MATCH if .eh_frame_hdr points to FDE which is too short for searched PC. diff --git a/libdw/cfi.c b/libdw/cfi.c index f59f17d6..b1e8d485 100644 --- a/libdw/cfi.c +++ b/libdw/cfi.c @@ -35,6 +35,7 @@ #include "cfi.h" #include "memory-access.h" #include "encoded-value.h" +#include "system.h" #include <assert.h> #include <stdlib.h> #include <string.h> @@ -89,6 +90,9 @@ execute_cfi (Dwarf_CFI *cache, } else { + eu_static_assert (reg_unspecified == 0); + memset (bigger->regs + bigger->nregs, 0, + (reg + 1 - bigger->nregs) * sizeof bigger->regs[0]); bigger->nregs = reg + 1; fs = bigger; } |