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Fix s390 GNU/Linux gdb and gdbserver builds

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Now that gdb/gdbserver compile as C++ programs by default, the s390
GNU/Linux build started failing with:

 In file included from ../../src/gdb/common/common-defs.h:64:0,
		  from ../../src/gdb/defs.h:28,
		  from ../../src/gdb/s390-linux-nat.c:22:
 ../../src/gdb/s390-linux-nat.c: In function ‘void fetch_regset(regcache*, int, int, int, const regset*)’:
 ../../src/gdb/../include/libiberty.h:711:38: error: invalid conversion from ‘void*’ to ‘gdb_byte* {aka unsigned char*}’ [-fpermissive]
  # define alloca(x) __builtin_alloca(x)
				       ^
 ../../src/gdb/s390-linux-nat.c:297:19: note: in expansion of macro ‘alloca’
    gdb_byte *buf = alloca (regsize);
		    ^

etc.

gdb/ChangeLog:
2016-04-21  Pedro Alves  <palves@redhat.com>

	* s390-linux-nat.c (fetch_regset, store_regset, check_regset): Use
	void * instead of gdb_byte *.

gdb/gdbserver/ChangeLog:
2016-04-21  Pedro Alves  <palves@redhat.com>

	* linux-s390-low.c (s390_collect_ptrace_register)
	(s390_supply_ptrace_register, s390_get_hwcap): Use gdb_byte * and
	add casts.
	(s390_check_regset): Use void * instead of gdb_byte *.
This commit is contained in:
Pedro Alves 2016-04-21 06:42:13 -04:00
parent b36cec19e8
commit 3451269c41
4 changed files with 21 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
gdb/ChangeLog
View File

@ -1,3 +1,8 @@
2016-04-21 Pedro Alves <palves@redhat.com>
* s390-linux-nat.c (fetch_regset, store_regset, check_regset): Use
void * instead of gdb_byte *.
2016-04-21 Pedro Alves <palves@redhat.com>
* dwarf2read.c (try_open_dwop_file, open_dwo_file)

7
gdb/gdbserver/ChangeLog
View File

@ -1,3 +1,10 @@
2016-04-21 Pedro Alves <palves@redhat.com>
* linux-s390-low.c (s390_collect_ptrace_register)
(s390_supply_ptrace_register, s390_get_hwcap): Use gdb_byte * and
add casts.
(s390_check_regset): Use void * instead of gdb_byte *.
2016-04-20 Pedro Alves <palves@redhat.com>
* configure: Renegerate.

12
gdb/gdbserver/linux-s390-low.c
View File

@ -171,7 +171,7 @@ s390_collect_ptrace_register (struct regcache *regcache, int regno, char *buf)
{
/* Convert 4-byte PSW mask to 8 bytes by clearing bit 12 and copying
the basic addressing mode bit from the PSW address. */
char *addr = alloca (register_size (regcache->tdesc, regno ^ 1));
gdb_byte *addr = (gdb_byte *) alloca (register_size (regcache->tdesc, regno ^ 1));
collect_register (regcache, regno, buf);
collect_register (regcache, regno ^ 1, addr);
buf[1] &= ~0x8;
@ -216,8 +216,8 @@ s390_supply_ptrace_register (struct regcache *regcache,
{
/* Convert 8-byte PSW mask to 4 bytes by setting bit 12 and copying
the basic addressing mode into the PSW address. */
char *mask = alloca (size);
char *addr = alloca (register_size (regcache->tdesc, regno ^ 1));
gdb_byte *mask = (gdb_byte *) alloca (size);
gdb_byte *addr = (gdb_byte *) alloca (register_size (regcache->tdesc, regno ^ 1));
memcpy (mask, buf, size);
mask[1] |= 0x8;
supply_register (regcache, regno, mask);
@ -231,7 +231,7 @@ s390_supply_ptrace_register (struct regcache *regcache,
{
/* Convert 8-byte PSW address to 4 bytes by truncating, but
keeping the addressing mode bit (which was set from the mask). */
char *addr = alloca (size);
gdb_byte *addr = (gdb_byte *) alloca (size);
char amode;
collect_register (regcache, regno, addr);
amode = addr[0] & 0x80;
@ -442,7 +442,7 @@ static unsigned long
s390_get_hwcap (const struct target_desc *tdesc)
{
int wordsize = register_size (tdesc, 0);
unsigned char *data = alloca (2 * wordsize);
gdb_byte *data = (gdb_byte *) alloca (2 * wordsize);
int offset = 0;
while ((*the_target->read_auxv) (offset, data, 2 * wordsize) == 2 * wordsize)
@ -469,7 +469,7 @@ s390_get_hwcap (const struct target_desc *tdesc)
static int
s390_check_regset (int pid, int regset, int regsize)
{
gdb_byte *buf = alloca (regsize);
void *buf = alloca (regsize);
struct iovec iov;
iov.iov_base = buf;

6
gdb/s390-linux-nat.c
View File

@ -294,7 +294,7 @@ static void
fetch_regset (struct regcache *regcache, int tid,
int regset_id, int regsize, const struct regset *regset)
{
gdb_byte *buf = alloca (regsize);
void *buf = alloca (regsize);
struct iovec iov;
iov.iov_base = buf;
@ -318,7 +318,7 @@ static void
store_regset (struct regcache *regcache, int tid,
int regset_id, int regsize, const struct regset *regset)
{
gdb_byte *buf = alloca (regsize);
void *buf = alloca (regsize);
struct iovec iov;
iov.iov_base = buf;
@ -338,7 +338,7 @@ store_regset (struct regcache *regcache, int tid,
static int
check_regset (int tid, int regset, int regsize)
{
gdb_byte *buf = alloca (regsize);
void *buf = alloca (regsize);
struct iovec iov;
iov.iov_base = buf;