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* m68klinux-nat.c (fetch_register): Fix strict-aliasing violation.

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(store_register): Likewise.
This commit is contained in:
Andreas Schwab
2012-03-27 08:15:26 +00:00
parent e6ab98cd1c
commit 89e028e2ef
2 changed files with 11 additions and 4 deletions
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5
gdb/ChangeLog
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@@ -1,3 +1,8 @@
2012-03-27 Andreas Schwab <schwab@linux-m68k.org>
* m68klinux-nat.c (fetch_register): Fix strict-aliasing violation.
(store_register): Likewise.
2012-03-26 Oza Pawandeep <oza.pawandeep@gmail.com>
* MAINTAINERS (Write After Approval): Add myself to the list.

10
gdb/m68klinux-nat.c
View File

@@ -107,7 +107,7 @@ static void
fetch_register (struct regcache *regcache, int regno)
{
struct gdbarch *gdbarch = get_regcache_arch (regcache);
long regaddr;
long regaddr, val;
int i;
char buf[MAX_REGISTER_SIZE];
int tid;
@@ -122,7 +122,8 @@ fetch_register (struct regcache *regcache, int regno)
for (i = 0; i < register_size (gdbarch, regno); i += sizeof (long))
{
errno = 0;
*(long *) &buf[i] = ptrace (PTRACE_PEEKUSER, tid, regaddr, 0);
val = ptrace (PTRACE_PEEKUSER, tid, regaddr, 0);
memcpy (&buf[i], &val, sizeof (long));
regaddr += sizeof (long);
if (errno != 0)
error (_("Couldn't read register %s (#%d): %s."),
@@ -160,7 +161,7 @@ static void
store_register (const struct regcache *regcache, int regno)
{
struct gdbarch *gdbarch = get_regcache_arch (regcache);
long regaddr;
long regaddr, val;
int i;
int tid;
char buf[MAX_REGISTER_SIZE];
@@ -180,7 +181,8 @@ store_register (const struct regcache *regcache, int regno)
for (i = 0; i < register_size (gdbarch, regno); i += sizeof (long))
{
errno = 0;
ptrace (PTRACE_POKEUSER, tid, regaddr, *(long *) &buf[i]);
memcpy (&val, &buf[i], sizeof (long));
ptrace (PTRACE_POKEUSER, tid, regaddr, val);
regaddr += sizeof (long);
if (errno != 0)
error (_("Couldn't write register %s (#%d): %s."),