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Ensure unreferenced static symbols aren't omitted by clang (either marking them __attribute__((used)) or making them non-static)

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gdb/testsuite/
       * gdb.base/catch-syscall.c: Make unreferenced statics non-static to
       ensure clang would not discard them.
       * gdb.base/gdbvars.c: Ditto.
       * gdb.base/memattr.c: Ditto.
       * gdb.base/whatis.c: Ditto.
       * gdb.python/py-prettyprint.c: Ditto.
       * gdb.trace/actions.c: Ditto.
       * gdb.cp/ptype-cv-cp.cc: Mark unused global const int as used to
       ensure clang would not discard it.
This commit is contained in:
David Blaikie 2014-04-10 23:45:28 -07:00
parent bfd3963214
commit 2abc3f8d59
8 changed files with 32 additions and 20 deletions
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12
gdb/testsuite/ChangeLog
View file

@ -1,3 +1,15 @@
2014-04-24 David Blaikie <dblaikie@gmail.com>
* gdb.base/catch-syscall.c: Make unreferenced statics non-static to
ensure clang would not discard them.
* gdb.base/gdbvars.c: Ditto.
* gdb.base/memattr.c: Ditto.
* gdb.base/whatis.c: Ditto.
* gdb.python/py-prettyprint.c: Ditto.
* gdb.trace/actions.c: Ditto.
* gdb.cp/ptype-cv-cp.cc: Mark unused global const int as used to
ensure clang would not discard it.
2014-04-24 David Blaikie <dblaikie@gmail.com> 2014-04-24 David Blaikie <dblaikie@gmail.com>
* gdb.stabs/gdb11479.c (tag_dummy_enum): introduce a variable to cause * gdb.stabs/gdb11479.c (tag_dummy_enum): introduce a variable to cause

12
gdb/testsuite/gdb.base/catch-syscall.c
View file

@ -14,16 +14,16 @@
/* These are the syscalls numbers used by the test. */ /* These are the syscalls numbers used by the test. */
static int close_syscall = SYS_close; int close_syscall = SYS_close;
static int chroot_syscall = SYS_chroot; int chroot_syscall = SYS_chroot;
/* GDB had a bug where it couldn't catch syscall number 0 (PR 16297). /* GDB had a bug where it couldn't catch syscall number 0 (PR 16297).
In most GNU/Linux architectures, syscall number 0 is In most GNU/Linux architectures, syscall number 0 is
restart_syscall, which can't be called from userspace. However, restart_syscall, which can't be called from userspace. However,
the "read" syscall is zero on x86_64. */ the "read" syscall is zero on x86_64. */
static int read_syscall = SYS_read; int read_syscall = SYS_read;
static int pipe_syscall = SYS_pipe; int pipe_syscall = SYS_pipe;
static int write_syscall = SYS_write; int write_syscall = SYS_write;
static int exit_group_syscall = SYS_exit_group; int exit_group_syscall = SYS_exit_group;
int int
main (void) main (void)

4
gdb/testsuite/gdb.base/gdbvars.c
View file

@ -4,12 +4,12 @@ typedef void *ptr;
ptr p = &p; ptr p = &p;
static void void
foo_void (void) foo_void (void)
{ {
} }
static int int
foo_int (void) foo_int (void)
{ {
return 0; return 0;

10
gdb/testsuite/gdb.base/memattr.c
View file

@ -16,11 +16,11 @@
along with this program. If not, see <http://www.gnu.org/licenses/>. */ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#define MEMSIZE 64 #define MEMSIZE 64
static int mem1[MEMSIZE] = {111, 222, 333, 444, 555}; int mem1[MEMSIZE] = {111, 222, 333, 444, 555};
static int mem2[MEMSIZE]; int mem2[MEMSIZE];
static int mem3[MEMSIZE]; int mem3[MEMSIZE];
static int mem4[MEMSIZE]; int mem4[MEMSIZE];
static int mem5[MEMSIZE]; int mem5[MEMSIZE];
int main() int main()
{ {

8
gdb/testsuite/gdb.base/whatis.c
View file

@ -88,14 +88,14 @@ double v_double_array[2];
a special case kludge in GDB (Unix system include files like to define a special case kludge in GDB (Unix system include files like to define
caddr_t), but for a variety of types. */ caddr_t), but for a variety of types. */
typedef char *char_addr; typedef char *char_addr;
static char_addr a_char_addr; char_addr a_char_addr;
typedef unsigned short *ushort_addr; typedef unsigned short *ushort_addr;
static ushort_addr a_ushort_addr; ushort_addr a_ushort_addr;
typedef signed long *slong_addr; typedef signed long *slong_addr;
static slong_addr a_slong_addr; slong_addr a_slong_addr;
#ifndef NO_LONG_LONG #ifndef NO_LONG_LONG
typedef signed long long *slong_long_addr; typedef signed long long *slong_long_addr;
static slong_long_addr a_slong_long_addr; slong_long_addr a_slong_long_addr;
#endif #endif
char *v_char_pointer; char *v_char_pointer;

2
gdb/testsuite/gdb.cp/ptype-cv-cp.cc
View file

@ -22,7 +22,7 @@ typedef volatile const_my_int volatile_const_my_int;
typedef const volatile_my_int const_volatile_my_int; typedef const volatile_my_int const_volatile_my_int;
my_int v_my_int (0); my_int v_my_int (0);
const_my_int v_const_my_int (1); __attribute__((used)) const_my_int v_const_my_int (1);
volatile_my_int v_volatile_my_int (2); volatile_my_int v_volatile_my_int (2);
const_volatile_my_int v_const_volatile_my_int (3); const_volatile_my_int v_const_volatile_my_int (3);
volatile_const_my_int v_volatile_const_my_int (4); volatile_const_my_int v_volatile_const_my_int (4);

2
gdb/testsuite/gdb.python/py-prettyprint.c
View file

@ -230,7 +230,7 @@ struct nullstr
struct string_repr string_1 = { { "one" } }; struct string_repr string_1 = { { "one" } };
struct string_repr string_2 = { { "two" } }; struct string_repr string_2 = { { "two" } };
static int int
eval_func (int p1, int p2, int p3, int p4, int p5, int p6, int p7, int p8) eval_func (int p1, int p2, int p3, int p4, int p5, int p6, int p7, int p8)
{ {
return p1; return p1;

2
gdb/testsuite/gdb.trace/actions.c
View file

@ -116,7 +116,7 @@ unsigned long gdb_c_test( unsigned long *parm )
return ( (unsigned long) 0 ); return ( (unsigned long) 0 );
} }
static void gdb_asm_test (void) void gdb_asm_test (void)
{ {
} }