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| author | Kamil Rytarowski <n54@gmx.com> | 2020-10-07 15:12:59 +0200 |
|---|---|---|
| committer | Kamil Rytarowski <n54@gmx.com> | 2020-10-07 15:15:54 +0200 |
| commit | 4641551a7a176f31ebe75bf068b4a6e3fa5a612f (patch) | |
| tree | 5fd2f69d3a3ba8660a95a039aef24df65ccfc643 | |
| parent | 2be01f639c0983caeafdd36127ac3ef517d7a643 (diff) | |
| download | binutils-gdb-4641551a7a176f31ebe75bf068b4a6e3fa5a612f.tar.gz | |
Correct logical error in NetBSD's read_memory and write_memory
In case of repeated ptrace PT_IO call and returning the value of
transferred bytes equal to 0, do not return without setting
xfered_len.
gdb/ChangeLog:
* nat/netbsd-nat.c (write_memory, read_memory): Update.
| -rw-r--r-- | gdb/ChangeLog | 4 | ||||
| -rw-r--r-- | gdb/nat/netbsd-nat.c | 4 |
2 files changed, 6 insertions, 2 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 4dc729c69bc..300bf139b7f 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,9 @@ 2020-10-07 Kamil Rytarowski <n54@gmx.com> + * nat/netbsd-nat.c (write_memory, read_memory): Update. + +2020-10-07 Kamil Rytarowski <n54@gmx.com> + * nat/netbsd-nat.c (write_memory, read_memory): Add. * nat/netbsd-nat.h (write_memory, read_memory): Likewise. * nbsd-nat.c (nbsd_nat_target::xfer_partial): Update. diff --git a/gdb/nat/netbsd-nat.c b/gdb/nat/netbsd-nat.c index cae9cc2fc2c..e0b61cd4b24 100644 --- a/gdb/nat/netbsd-nat.c +++ b/gdb/nat/netbsd-nat.c @@ -238,7 +238,7 @@ write_memory (pid_t pid, unsigned const char *writebuf, CORE_ADDR offset, return errno; } if (io.piod_len == 0) - return 0; + break; bytes_written += io.piod_len; io.piod_len = len - bytes_written; @@ -276,7 +276,7 @@ read_memory (pid_t pid, unsigned char *readbuf, CORE_ADDR offset, if (rv == -1) return errno; if (io.piod_len == 0) - return 0; + break; bytes_read += io.piod_len; io.piod_len = len - bytes_read; |