diff options
Diffstat (limited to 'gdb/bsd-kvm.c')
| -rw-r--r-- | gdb/bsd-kvm.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/gdb/bsd-kvm.c b/gdb/bsd-kvm.c index a037f84..3ed57d6 100644 --- a/gdb/bsd-kvm.c +++ b/gdb/bsd-kvm.c @@ -20,9 +20,12 @@ Boston, MA 02111-1307, USA. */ #include "defs.h" +#include "cli/cli-cmds.h" +#include "command.h" #include "frame.h" #include "regcache.h" #include "target.h" +#include "value.h" #include "gdb_assert.h" #include <fcntl.h> @@ -30,6 +33,7 @@ #include <nlist.h> #include "readline/readline.h" #include <sys/param.h> +#include <sys/proc.h> #include <sys/user.h> #include "bsd-kvm.h" @@ -201,6 +205,61 @@ bsd_kvm_fetch_registers (int regnum) } +/* Kernel memory interface commands. */ +struct cmd_list_element *bsd_kvm_cmdlist = NULL; + +static void +bsd_kvm_cmd (char *arg, int fromtty) +{ + /* ??? Should this become an alias for "target kvm"? */ +} + +#ifndef HAVE_STRUCT_THREAD_TD_PCB + +static void +bsd_kvm_proc_cmd (char *arg, int fromtty) +{ + CORE_ADDR addr; + + if (arg == NULL) + error_no_arg ("proc address"); + + if (core_kd == NULL) + error ("No kernel memory image."); + + addr = parse_and_eval_address (arg); + addr += offsetof (struct proc, p_addr); + + if (kvm_read (core_kd, addr, &bsd_kvm_paddr, sizeof bsd_kvm_paddr) == -1) + error ("%s", kvm_geterr (core_kd)); + + target_fetch_registers (-1); + + flush_cached_frames (); + select_frame (get_current_frame ()); + print_stack_frame (get_selected_frame (), -1, 1); +} + +#endif + +static void +bsd_kvm_pcb_cmd (char *arg, int fromtty) +{ + if (arg == NULL) + error_no_arg ("pcb address"); + + if (core_kd == NULL) + error ("No kernel memory image."); + + bsd_kvm_paddr = (struct pcb *) parse_and_eval_address (arg); + + target_fetch_registers (-1); + + flush_cached_frames (); + select_frame (get_current_frame ()); + print_stack_frame (get_selected_frame (), -1, 1); +} + /* Add the libkvm interface to the list of all possible targets and register CUPPLY_PCB as the architecture-specific process control block interpreter. */ @@ -226,4 +285,15 @@ Optionally specify the filename of a core dump."; bsd_kvm_ops.to_magic = OPS_MAGIC; add_target (&bsd_kvm_ops); + + add_prefix_cmd ("kvm", class_obscure, bsd_kvm_cmd, "\ +Generic command for manipulating the kernel memory interface.", + &bsd_kvm_cmdlist, "kvm ", 0, &cmdlist); + +#ifndef HAVE_STRUCT_THREAD_TD_PCB + add_cmd ("proc", class_obscure, bsd_kvm_proc_cmd, + "Set current context from proc address", &bsd_kvm_cmdlist); +#endif + add_cmd ("pcb", class_obscure, bsd_kvm_pcb_cmd, + "Set current context from pcb address", &bsd_kvm_cmdlist); } |