diff options
Diffstat (limited to 'gdb/gdbserver/linux-low.c')
| -rw-r--r-- | gdb/gdbserver/linux-low.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/gdb/gdbserver/linux-low.c b/gdb/gdbserver/linux-low.c index 701f3e863c0..0dc67294f20 100644 --- a/gdb/gdbserver/linux-low.c +++ b/gdb/gdbserver/linux-low.c @@ -995,6 +995,7 @@ linux_ptrace_fun () PROGRAM is the name of the program to be started, and PROGRAM_ARGS are its arguments. */ +void my_read_loadmap(const char* fnname); static int linux_create_inferior (const char *program, const std::vector<char *> &program_args) @@ -1004,6 +1005,8 @@ linux_create_inferior (const char *program, int pid; ptid_t ptid; + fprintf(stderr, "GDBSERVER: %s before fork_inferior\n", __FUNCTION__); + my_read_loadmap(__FUNCTION__); { maybe_disable_address_space_randomization restore_personality (cs.disable_randomization); @@ -1015,6 +1018,8 @@ linux_create_inferior (const char *program, NULL, NULL, NULL, NULL); } + fprintf(stderr, "GDBSERVER: %s after fork_inferior\n", __FUNCTION__); + my_read_loadmap(__FUNCTION__); linux_add_process (pid, 0); ptid = ptid_t (pid, pid, 0); @@ -6517,6 +6522,30 @@ struct target_loadmap # define LINUX_LOADMAP_INTERP PTRACE_GETFDPIC_INTERP # endif +void my_read_loadmap(const char* fnname) +{ +#if 0 + struct target_loadmap *data = (struct target_loadmap *)0x7dffff38; +#ifdef __FDPIC__ + fprintf(stderr, "GDBSERVER: %s from %s data forced %p version %d, nsegs=%d\n", __FUNCTION__, fnname, data, data->version, data->nsegs); +#else + fprintf(stderr, "GDBSERVER: %s from %s data forced %p, version/nsegs disabled\n", __FUNCTION__, fnname, data); +#endif +#endif +} +void my_hack_loadmap(const char* fnname) +{ +#if 0 + struct target_loadmap *data = (struct target_loadmap *)0x7dffff38; +#ifdef __FDPIC__ + data->version = 1; + data->nsegs = 1; + fprintf(stderr, "GDBSERVER: %s from %s data forced %p version %d, nsegs=%d\n", __FUNCTION__, fnname, data, data->version, data->nsegs); +#else + fprintf(stderr, "GDBSERVER: %s from %s data forced %p disabled\n", __FUNCTION__, fnname, data); +#endif +#endif +} static int linux_read_loadmap (const char *annex, CORE_ADDR offset, unsigned char *myaddr, unsigned int len) @@ -6533,20 +6562,25 @@ linux_read_loadmap (const char *annex, CORE_ADDR offset, else return -1; + fprintf(stderr, "GDBSERVER: %s before ptrace %s\n", __FUNCTION__, annex); if (ptrace (LINUX_LOADMAP, pid, addr, &data) != 0) return -1; + fprintf(stderr, "GDBSERVER: %s ptrace OK data %p\n", __FUNCTION__, data); if (data == NULL) return -1; + fprintf(stderr, "GDBSERVER: %s data OK, data %p version %d, nsegs=%d\n", __FUNCTION__, data, data->version, data->nsegs); actual_length = sizeof (struct target_loadmap) + sizeof (struct target_loadseg) * data->nsegs; if (offset < 0 || offset > actual_length) return -1; + fprintf(stderr, "GDBSERVER: %s actual_length %d\n", __FUNCTION__, actual_length); copy_length = actual_length - offset < len ? actual_length - offset : len; memcpy (myaddr, (char *) data + offset, copy_length); + fprintf(stderr, "GDBSERVER: %s copy_length=%d\n", __FUNCTION__, copy_length); return copy_length; } #else |