diff options
Diffstat (limited to 'gdb/linux-nat.c')
| -rw-r--r-- | gdb/linux-nat.c | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/gdb/linux-nat.c b/gdb/linux-nat.c index 945c19f..cd5cf18 100644 --- a/gdb/linux-nat.c +++ b/gdb/linux-nat.c @@ -68,10 +68,6 @@ #include "gdbsupport/fileio.h" #include "gdbsupport/scope-exit.h" -#ifndef SPUFS_MAGIC -#define SPUFS_MAGIC 0x23c9b64e -#endif - /* This comment documents high-level logic of this file. Waiting for events in sync mode @@ -3842,12 +3838,6 @@ linux_nat_xfer_osdata (enum target_object object, ULONGEST *xfered_len); static enum target_xfer_status -linux_proc_xfer_spu (enum target_object object, - const char *annex, gdb_byte *readbuf, - const gdb_byte *writebuf, - ULONGEST offset, ULONGEST len, ULONGEST *xfered_len); - -static enum target_xfer_status linux_proc_xfer_partial (enum target_object object, const char *annex, gdb_byte *readbuf, const gdb_byte *writebuf, @@ -3879,10 +3869,6 @@ linux_nat_target::xfer_partial (enum target_object object, return linux_nat_xfer_osdata (object, annex, readbuf, writebuf, offset, len, xfered_len); - if (object == TARGET_OBJECT_SPU) - return linux_proc_xfer_spu (object, annex, readbuf, writebuf, - offset, len, xfered_len); - /* GDB calculates all addresses in the largest possible address width. The address width must be masked before its final use - either by @@ -4020,121 +4006,6 @@ linux_proc_xfer_partial (enum target_object object, } -/* Enumerate spufs IDs for process PID. */ -static LONGEST -spu_enumerate_spu_ids (int pid, gdb_byte *buf, ULONGEST offset, ULONGEST len) -{ - enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ()); - LONGEST pos = 0; - LONGEST written = 0; - char path[128]; - DIR *dir; - struct dirent *entry; - - xsnprintf (path, sizeof path, "/proc/%d/fd", pid); - dir = opendir (path); - if (!dir) - return -1; - - rewinddir (dir); - while ((entry = readdir (dir)) != NULL) - { - struct stat st; - struct statfs stfs; - int fd; - - fd = atoi (entry->d_name); - if (!fd) - continue; - - xsnprintf (path, sizeof path, "/proc/%d/fd/%d", pid, fd); - if (stat (path, &st) != 0) - continue; - if (!S_ISDIR (st.st_mode)) - continue; - - if (statfs (path, &stfs) != 0) - continue; - if (stfs.f_type != SPUFS_MAGIC) - continue; - - if (pos >= offset && pos + 4 <= offset + len) - { - store_unsigned_integer (buf + pos - offset, 4, byte_order, fd); - written += 4; - } - pos += 4; - } - - closedir (dir); - return written; -} - -/* Implement the to_xfer_partial interface for the TARGET_OBJECT_SPU - object type, using the /proc file system. */ - -static enum target_xfer_status -linux_proc_xfer_spu (enum target_object object, - const char *annex, gdb_byte *readbuf, - const gdb_byte *writebuf, - ULONGEST offset, ULONGEST len, ULONGEST *xfered_len) -{ - char buf[128]; - int fd = 0; - int ret = -1; - int pid = inferior_ptid.lwp (); - - if (!annex) - { - if (!readbuf) - return TARGET_XFER_E_IO; - else - { - LONGEST l = spu_enumerate_spu_ids (pid, readbuf, offset, len); - - if (l < 0) - return TARGET_XFER_E_IO; - else if (l == 0) - return TARGET_XFER_EOF; - else - { - *xfered_len = (ULONGEST) l; - return TARGET_XFER_OK; - } - } - } - - xsnprintf (buf, sizeof buf, "/proc/%d/fd/%s", pid, annex); - fd = gdb_open_cloexec (buf, writebuf? O_WRONLY : O_RDONLY, 0); - if (fd <= 0) - return TARGET_XFER_E_IO; - - if (offset != 0 - && lseek (fd, (off_t) offset, SEEK_SET) != (off_t) offset) - { - close (fd); - return TARGET_XFER_EOF; - } - - if (writebuf) - ret = write (fd, writebuf, (size_t) len); - else if (readbuf) - ret = read (fd, readbuf, (size_t) len); - - close (fd); - - if (ret < 0) - return TARGET_XFER_E_IO; - else if (ret == 0) - return TARGET_XFER_EOF; - else - { - *xfered_len = (ULONGEST) ret; - return TARGET_XFER_OK; - } -} - - /* Parse LINE as a signal set and add its set bits to SIGS. */ static void |