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| author | Jan Kratochvil <jan.kratochvil@redhat.com> | 2012-02-12 19:25:29 +0000 |
|---|---|---|
| committer | Jan Kratochvil <jan.kratochvil@redhat.com> | 2012-02-12 19:25:29 +0000 |
| commit | 99a4e476b89b26fc812eb59d375c14509a8e8231 (patch) | |
| tree | 5922636aebf9941f1250ef8104d38527860a009d /gdb/ppc-linux-nat.c | |
| parent | ccff2bf2f0215f91ae09757c473dac6fb8f0dce7 (diff) | |
| download | gdb-99a4e476b89b26fc812eb59d375c14509a8e8231.tar.gz | |
gdb/
* ppc-linux-nat.c (fetch_register, store_register): Fix GCC aliasing
compilation warning.
Diffstat (limited to 'gdb/ppc-linux-nat.c')
| -rw-r--r-- | gdb/ppc-linux-nat.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/gdb/ppc-linux-nat.c b/gdb/ppc-linux-nat.c index af80919890a..2c98f765e83 100644 --- a/gdb/ppc-linux-nat.c +++ b/gdb/ppc-linux-nat.c @@ -593,9 +593,10 @@ fetch_register (struct regcache *regcache, int tid, int regno) bytes_transferred < register_size (gdbarch, regno); bytes_transferred += sizeof (long)) { + long l; + errno = 0; - *(long *) &buf[bytes_transferred] - = ptrace (PTRACE_PEEKUSER, tid, (PTRACE_TYPE_ARG3) regaddr, 0); + l = ptrace (PTRACE_PEEKUSER, tid, (PTRACE_TYPE_ARG3) regaddr, 0); regaddr += sizeof (long); if (errno != 0) { @@ -604,6 +605,7 @@ fetch_register (struct regcache *regcache, int tid, int regno) gdbarch_register_name (gdbarch, regno), regno); perror_with_name (message); } + memcpy (&buf[bytes_transferred], &l, sizeof (l)); } /* Now supply the register. Keep in mind that the regcache's idea @@ -1073,9 +1075,11 @@ store_register (const struct regcache *regcache, int tid, int regno) for (i = 0; i < bytes_to_transfer; i += sizeof (long)) { + long l; + + memcpy (&l, &buf[i], sizeof (l)); errno = 0; - ptrace (PTRACE_POKEUSER, tid, (PTRACE_TYPE_ARG3) regaddr, - *(long *) &buf[i]); + ptrace (PTRACE_POKEUSER, tid, (PTRACE_TYPE_ARG3) regaddr, l); regaddr += sizeof (long); if (errno == EIO |