diff options
Diffstat (limited to 'devel/gdb53-act/files')
20 files changed, 0 insertions, 2050 deletions
diff --git a/devel/gdb53-act/files/freebsd-uthread.c b/devel/gdb53-act/files/freebsd-uthread.c deleted file mode 100644 index 3b3cae8a269d..000000000000 --- a/devel/gdb53-act/files/freebsd-uthread.c +++ /dev/null @@ -1,933 +0,0 @@ -/* Low level interface for debugging FreeBSD user threads for GDB, the GNU debugger. - Copyright 1996, 1999 Free Software Foundation, Inc. - -This file is part of GDB. - -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -/* $FreeBSD$ */ - -/* This module implements a sort of half target that sits between the - machine-independent parts of GDB and the ptrace interface (infptrace.c) to - provide access to the FreeBSD user-mode thread implementation. - - FreeBSD threads are true user-mode threads, which are invoked via - the pthread_* interfaces. These are mostly implemented in - user-space, with all thread context kept in various structures that - live in the user's heap. For the most part, the kernel has no - knowlege of these threads. - - Based largely on hpux-thread.c -*/ - -#include "defs.h" -#include <sys/queue.h> -#include <signal.h> -#include <setjmp.h> -#include <string.h> -#include "gdbthread.h" -#include "target.h" -#include "inferior.h" -#include <fcntl.h> -#include <ucontext.h> -#include <unistd.h> -#include <sys/stat.h> -#include "gdbcore.h" -#include "regcache.h" - -extern int child_suppress_run; -extern struct target_ops child_ops; /* target vector for inftarg.c */ - -extern void _initialize_freebsd_uthread PARAMS ((void)); - -/* Set to true while we are part-way through attaching */ -static int freebsd_uthread_attaching; - -static int freebsd_uthread_active = 0; -static CORE_ADDR P_thread_list; -static CORE_ADDR P_thread_run; - -/* Pointer to the next function on the objfile event chain. */ -static void (*target_new_objfile_chain) (struct objfile *objfile); - -static void freebsd_uthread_resume PARAMS ((ptid_t pid, int step, - enum target_signal signo)); - -static void init_freebsd_uthread_ops PARAMS ((void)); - -static struct target_ops freebsd_uthread_ops; - -static ptid_t find_active_ptid PARAMS ((void)); - -struct cached_pthread { - u_int64_t uniqueid; - int state; - CORE_ADDR name; - union { - ucontext_t uc; - jmp_buf jb; - } ctx; -}; - -static ptid_t cached_ptid; -static struct cached_pthread cached_pthread; -static CORE_ADDR cached_pthread_addr; - -LIST_HEAD(idmaplist, idmap); - -struct idmap { - LIST_ENTRY(idmap) link; - u_int64_t uniqueid; - int tid; -}; - -#define MAPHASH_SIZE 257 -#define TID_MIN 1 -#define TID_MAX 16383 - -static int tid_to_hash[TID_MAX + 1]; /* set to map_hash index */ -static struct idmaplist map_hash[MAPHASH_SIZE]; -static int next_free_tid = TID_MIN; /* first available tid */ -static int last_free_tid = TID_MIN; /* first unavailable */ - -static CORE_ADDR P_thread_next_offset; -static CORE_ADDR P_thread_uniqueid_offset; -static CORE_ADDR P_thread_state_offset; -static CORE_ADDR P_thread_name_offset; -static CORE_ADDR P_thread_ctx_offset; -static CORE_ADDR P_thread_PS_RUNNING_value; -static CORE_ADDR P_thread_PS_DEAD_value; - -static int next_offset; -static int uniqueid_offset; -static int state_offset; -static int name_offset; -static int ctx_offset; -static int PS_RUNNING_value; -static int PS_DEAD_value; - -#define UNIQUEID_HASH(id) (id % MAPHASH_SIZE) -#define TID_ADD1(tid) (((tid) + 1) == TID_MAX + 1 \ - ? TID_MIN : (tid) + 1) -#define IS_TID_FREE(tid) (tid_to_hash[tid] == -1) - -static int -get_new_tid(int h) -{ - int tid = next_free_tid; - - tid_to_hash[tid] = h; - next_free_tid = TID_ADD1(next_free_tid); - if (next_free_tid == last_free_tid) - { - int i; - - for (i = last_free_tid; TID_ADD1(i) != last_free_tid; i = TID_ADD1(i)) - if (IS_TID_FREE(i)) - break; - if (TID_ADD1(i) == last_free_tid) - { - error("too many threads"); - return 0; - } - next_free_tid = i; - for (i = TID_ADD1(i); IS_TID_FREE(i); i = TID_ADD1(i)) - ; - last_free_tid = i; - } - - return tid; -} - -static ptid_t -find_ptid(u_int64_t uniqueid) -{ - int h = UNIQUEID_HASH(uniqueid); - struct idmap *im; - - LIST_FOREACH(im, &map_hash[h], link) - if (im->uniqueid == uniqueid) - return MERGEPID(PIDGET(inferior_ptid), im->tid); - - im = xmalloc(sizeof(struct idmap)); - im->uniqueid = uniqueid; - im->tid = get_new_tid(h); - LIST_INSERT_HEAD(&map_hash[h], im, link); - - return MERGEPID(PIDGET(inferior_ptid), im->tid); -} - -static void -free_ptid(ptid_t ptid) -{ - int tid = TIDGET(ptid); - int h = tid_to_hash[tid]; - struct idmap *im; - - if (!tid) return; - - LIST_FOREACH(im, &map_hash[h], link) - if (im->tid == tid) - break; - - if (!im) return; - - LIST_REMOVE(im, link); - tid_to_hash[tid] = -1; - free(im); -} - -#define READ_OFFSET(field) read_memory(P_thread_##field##_offset, \ - (char *) &field##_offset, \ - sizeof(field##_offset)) - -#define READ_VALUE(name) read_memory(P_thread_##name##_value, \ - (char *) &name##_value, \ - sizeof(name##_value)) - -static void -read_thread_offsets (void) -{ - READ_OFFSET(next); - READ_OFFSET(uniqueid); - READ_OFFSET(state); - READ_OFFSET(name); - READ_OFFSET(ctx); - - READ_VALUE(PS_RUNNING); - READ_VALUE(PS_DEAD); -} - -#define READ_FIELD(ptr, T, field, result) \ - read_memory ((ptr) + field##_offset, (char *) &(result), sizeof result) - -static u_int64_t -read_pthread_uniqueid (CORE_ADDR ptr) -{ - u_int64_t uniqueid; - READ_FIELD(ptr, u_int64_t, uniqueid, uniqueid); - return uniqueid; -} - -static CORE_ADDR -read_pthread_next (CORE_ADDR ptr) -{ - CORE_ADDR next; - READ_FIELD(ptr, CORE_ADDR, next, next); - return next; -} - -static void -read_cached_pthread (CORE_ADDR ptr, struct cached_pthread *cache) -{ - READ_FIELD(ptr, u_int64_t, uniqueid, cache->uniqueid); - READ_FIELD(ptr, int, state, cache->state); - READ_FIELD(ptr, CORE_ADDR, name, cache->name); - READ_FIELD(ptr, ucontext_t, ctx, cache->ctx); -} - -static ptid_t -find_active_ptid (void) -{ - CORE_ADDR ptr; - - read_memory ((CORE_ADDR)P_thread_run, - (char *)&ptr, - sizeof ptr); - - return find_ptid(read_pthread_uniqueid(ptr)); -} - -static CORE_ADDR find_pthread_addr PARAMS ((ptid_t ptid)); -static struct cached_pthread * find_pthread PARAMS ((ptid_t ptid)); - -static CORE_ADDR -find_pthread_addr (ptid_t ptid) -{ - CORE_ADDR ptr; - - if (ptid_equal(ptid, cached_ptid)) - return cached_pthread_addr; - - read_memory ((CORE_ADDR)P_thread_list, - (char *)&ptr, - sizeof ptr); - - while (ptr != 0) - { - if (ptid_equal(find_ptid(read_pthread_uniqueid(ptr)), ptid)) - { - cached_ptid = ptid; - cached_pthread_addr = ptr; - read_cached_pthread(ptr, &cached_pthread); - return ptr; - } - ptr = read_pthread_next(ptr); - } - - return NULL; -} - -static struct cached_pthread * -find_pthread (ptid_t ptid) -{ - CORE_ADDR ptr; - - if (ptid_equal(ptid, cached_ptid)) - return &cached_pthread; - - read_memory ((CORE_ADDR)P_thread_list, - (char *)&ptr, - sizeof ptr); - - while (ptr != 0) - { - if (ptid_equal(find_ptid(read_pthread_uniqueid(ptr)), ptid)) - { - cached_ptid = ptid; - cached_pthread_addr = ptr; - read_cached_pthread(ptr, &cached_pthread); - return &cached_pthread; - } - ptr = read_pthread_next(ptr); - } - -#if 0 - error ("Can't find pthread %d,%d", PIDGET(ptid), TIDGET(ptid)); -#endif - return NULL; -} - - -/* Most target vector functions from here on actually just pass through to - inftarg.c, as they don't need to do anything specific for threads. */ - -/* ARGSUSED */ -static void -freebsd_uthread_open (char *arg, int from_tty) -{ - child_ops.to_open (arg, from_tty); -} - -/* Attach to process PID, then initialize for debugging it - and wait for the trace-trap that results from attaching. */ - -static void -freebsd_uthread_attach (char *args, int from_tty) -{ - child_ops.to_attach (args, from_tty); - push_target (&freebsd_uthread_ops); - freebsd_uthread_attaching = 1; -} - -/* After an attach, see if the target is threaded */ - -static void -freebsd_uthread_post_attach (int pid) -{ - if (freebsd_uthread_active) - { - read_thread_offsets (); - inferior_ptid = find_active_ptid (); - add_thread (inferior_ptid); - } - else - { - unpush_target (&freebsd_uthread_ops); - push_target (&child_ops); - } - - freebsd_uthread_attaching = 0; -} - -/* Take a program previously attached to and detaches it. - The program resumes execution and will no longer stop - on signals, etc. We'd better not have left any breakpoints - in the program or it'll die when it hits one. For this - to work, it may be necessary for the process to have been - previously attached. It *might* work if the program was - started via the normal ptrace (PTRACE_TRACEME). */ - -static void -freebsd_uthread_detach (char *args, int from_tty) -{ - child_ops.to_detach (args, from_tty); -} - -/* Resume execution of process PID. If STEP is nozero, then - just single step it. If SIGNAL is nonzero, restart it with that - signal activated. We may have to convert pid from a thread-id to an LWP id - for procfs. */ - -static void -freebsd_uthread_resume (ptid_t ptid, int step, enum target_signal signo) -{ - if (freebsd_uthread_attaching) - { - child_ops.to_resume (ptid, step, signo); - return; - } - - child_ops.to_resume (ptid, step, signo); - cached_ptid = MERGEPID(0, 0); -} - -/* Wait for any threads to stop. We may have to convert PID from a thread id - to a LWP id, and vice versa on the way out. */ - -static ptid_t -freebsd_uthread_wait (ptid_t ptid, struct target_waitstatus *ourstatus) -{ - ptid_t rtnval; - - if (freebsd_uthread_attaching) - { - return child_ops.to_wait (ptid, ourstatus); - } - - rtnval = child_ops.to_wait (ptid, ourstatus); - - if (PIDGET(rtnval) >= 0) - { - rtnval = find_active_ptid (); - if (!in_thread_list (rtnval)) - add_thread (rtnval); - } - - return rtnval; -} - -/* XXX: this needs to be selected by target, not [build] host */ -#ifdef __i386__ - -#include "i386-tdep.h" - -static char sigmap[I386_SSE_NUM_REGS] = /* map reg to sigcontext */ -{ - 12, /* eax */ - 11, /* ecx */ - 10, /* edx */ - 9, /* ebx */ - 8, /* esp */ - 7, /* ebp */ - 6, /* esi */ - 5, /* edi */ - 15, /* eip */ - 17, /* eflags */ - 16, /* cs */ - 19, /* ss */ - 4, /* ds */ - 3, /* es */ - 2, /* fs */ - 1, /* gs */ - -1, -1, -1, -1, -1, -1, -1, /* st0-st7 */ - -1, -1, -1, -1, -1, -1, -1, /* fctrl-fop */ - -1, -1, -1, -1, -1, -1, -1, /* xmm0-xmm7 */ - -1, /* mxcsr */ -}; - -static char jmpmap[I386_SSE_NUM_REGS] = /* map reg to jmp_buf */ -{ - 6, /* eax */ - -1, /* ecx */ - -1, /* edx */ - 1, /* ebx */ - 2, /* esp */ - 3, /* ebp */ - 4, /* esi */ - 5, /* edi */ - 0, /* eip */ - -1, /* eflags */ - -1, /* cs */ - -1, /* ss */ - -1, /* ds */ - -1, /* es */ - -1, /* fs */ - -1, /* gs */ - -1, -1, -1, -1, -1, -1, -1, /* st0-st7 */ - -1, -1, -1, -1, -1, -1, -1, /* fctrl-fop */ - -1, -1, -1, -1, -1, -1, -1, /* xmm0-xmm7 */ - -1, /* mxcsr */ -}; - -#endif - -#ifdef __alpha__ - -#include "alpha-tdep.h" - -static char sigmap[ALPHA_NUM_REGS] = /* map reg to sigcontext */ -{ - 1, 2, 3, 4, 5, 6, 7, 8, /* v0 - t6 */ - 9, 10, 11, 12, 13, 14, 15, 16, /* t7 - fp */ - 17, 18, 19, 20, 21, 22, 23, 24, /* a0 - t9 */ - 25, 26, 27, 28, 29, 30, 31, 32, /* t10 - zero */ - 38, 39, 40, 41, 42, 43, 44, 45, /* f0 - f7 */ - 46, 47, 48, 49, 50, 51, 52, 53, /* f8 - f15 */ - 54, 55, 56, 57, 58, 59, 60, 61, /* f16 - f23 */ - 62, 63, 64, 65, 66, 67, 68, 69, /* f24 - f31 */ - 33, -1 /* pc, vfp */ -}; -static char jmpmap[ALPHA_NUM_REGS] = { - 4, 5, 6, 7, 8, 9, 10, 11, /* v0 - t6 */ - 12, 13, 14, 15, 16, 17, 18, 19, /* t7 - fp */ - 20, 21, 22, 23, 24, 25, 26, 27, /* a0 - t9 */ - 28, 29, 30, 31, 32, 33, 34, 35, /* t10 - zero */ - 37, 38, 39, 40, 41, 42, 43, 44, /* f0 - f7 */ - 45, 46, 47, 48, 49, 50, 51, 52, /* f8 - f15 */ - 53, 54, 55, 56, 57, 58, 59, 60, /* f16 - f23 */ - 61, 62, 63, 64, 65, 66, 67, 68, /* f24 - f31 */ - 2, -1, /* pc, vfp */ -}; - -#endif - -#ifdef __sparc64__ - -static char sigmap[125] = /* map reg to sigcontext */ -{ - -1 -}; -static char jmpmap[125] = { - -1 -}; - -#endif - -static void -freebsd_uthread_fetch_registers (int regno) -{ - struct cached_pthread *thread; - int active; - int first_regno, last_regno; - register_t *regbase; - char *regmap; - - if (freebsd_uthread_attaching || TIDGET(inferior_ptid) == 0) - { - child_ops.to_fetch_registers (regno); - return; - } - - thread = find_pthread (inferior_ptid); - active = (ptid_equal(inferior_ptid, find_active_ptid())); - - if (active) - { - child_ops.to_fetch_registers (regno); - return; - } - - if (regno == -1) - { - first_regno = 0; - last_regno = NUM_REGS - 1; - } - else - { - first_regno = regno; - last_regno = regno; - } - - regbase = (register_t*) &thread->ctx.jb[0]; - regmap = jmpmap; - - for (regno = first_regno; regno <= last_regno; regno++) - { - if (regmap[regno] == -1) - child_ops.to_fetch_registers (regno); - else - if (thread) - supply_register (regno, (char*) ®base[regmap[regno]]); - else - supply_register (regno, NULL); - } -} - -static void -freebsd_uthread_store_registers (int regno) -{ - struct cached_pthread *thread; - CORE_ADDR ptr; - int first_regno, last_regno; - u_int32_t *regbase; - char *regmap; - - if (freebsd_uthread_attaching) - { - child_ops.to_store_registers (regno); - return; - } - - thread = find_pthread (inferior_ptid); - - if (thread->state == PS_RUNNING_value) - { - child_ops.to_store_registers (regno); - return; - } - - if (regno == -1) - { - first_regno = 0; - last_regno = NUM_REGS - 1; - } - else - { - first_regno = regno; - last_regno = regno; - } - - regbase = (u_int32_t*) &thread->ctx.jb[0]; - regmap = jmpmap; - - ptr = find_pthread_addr (inferior_ptid); - for (regno = first_regno; regno <= last_regno; regno++) - { - if (regmap[regno] == -1) - child_ops.to_store_registers (regno); - else - { - u_int32_t *reg = ®base[regmap[regno]]; - int off; - - /* Hang onto cached value */ - memcpy(reg, registers + REGISTER_BYTE (regno), - REGISTER_RAW_SIZE (regno)); - - /* And push out to inferior */ - off = (char *) reg - (char *) thread; - write_memory (ptr + off, - registers + REGISTER_BYTE (regno), - REGISTER_RAW_SIZE (regno)); - } - } -} - -/* Get ready to modify the registers array. On machines which store - individual registers, this doesn't need to do anything. On machines - which store all the registers in one fell swoop, this makes sure - that registers contains all the registers from the program being - debugged. */ - -static void -freebsd_uthread_prepare_to_store (void) -{ - child_ops.to_prepare_to_store (); -} - -static int -freebsd_uthread_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, - int dowrite, struct mem_attrib *attrib, - struct target_ops *target) -{ - return child_ops.to_xfer_memory (memaddr, myaddr, len, dowrite, - attrib, target); -} - -/* Print status information about what we're accessing. */ - -static void -freebsd_uthread_files_info (struct target_ops *ignore) -{ - child_ops.to_files_info (ignore); -} - -static void -freebsd_uthread_kill_inferior (void) -{ - child_ops.to_kill (); -} - -static void -freebsd_uthread_notice_signals (ptid_t ptid) -{ - child_ops.to_notice_signals (ptid); -} - -/* Fork an inferior process, and start debugging it with /proc. */ - -static void -freebsd_uthread_create_inferior (char *exec_file, char *allargs, char **env) -{ - child_ops.to_create_inferior (exec_file, allargs, env); - - if (PIDGET(inferior_ptid) && freebsd_uthread_active) - { - read_thread_offsets (); - push_target (&freebsd_uthread_ops); - inferior_ptid = find_active_ptid (); - add_thread (inferior_ptid); - } -} - -/* This routine is called to find out if the inferior is using threads. - We check for the _thread_run and _thread_list globals. */ - -void -freebsd_uthread_new_objfile (struct objfile *objfile) -{ - struct minimal_symbol *ms; - - if (!objfile) - { - freebsd_uthread_active = 0; - return; - } - - ms = lookup_minimal_symbol ("_thread_run", NULL, objfile); - - if (!ms) - return; - - P_thread_run = SYMBOL_VALUE_ADDRESS (ms); - - ms = lookup_minimal_symbol ("_thread_list", NULL, objfile); - - if (!ms) - return; - - P_thread_list = SYMBOL_VALUE_ADDRESS (ms); - -#define OFFSET_SYM(field) "_thread_" #field "_offset" -#define LOOKUP_OFFSET(field) \ - do { \ - ms = lookup_minimal_symbol (OFFSET_SYM(field), NULL, objfile); \ - if (!ms) \ - return; \ - P_thread_##field##_offset = SYMBOL_VALUE_ADDRESS (ms); \ - } while (0); - -#define VALUE_SYM(name) "_thread_" #name "_value" -#define LOOKUP_VALUE(name) \ - do { \ - ms = lookup_minimal_symbol (VALUE_SYM(name), NULL, objfile); \ - if (!ms) \ - return; \ - P_thread_##name##_value = SYMBOL_VALUE_ADDRESS (ms); \ - } while (0); - - LOOKUP_OFFSET(next); - LOOKUP_OFFSET(uniqueid); - LOOKUP_OFFSET(state); - LOOKUP_OFFSET(name); - LOOKUP_OFFSET(ctx); - - LOOKUP_VALUE(PS_RUNNING); - LOOKUP_VALUE(PS_DEAD); - - freebsd_uthread_active = 1; -} - -/* Clean up after the inferior dies. */ - -static void -freebsd_uthread_mourn_inferior () -{ - child_ops.to_mourn_inferior (); - unpush_target (&freebsd_uthread_ops); -} - -/* Mark our target-struct as eligible for stray "run" and "attach" commands. */ - -static int -freebsd_uthread_can_run () -{ - return child_suppress_run; -} - -static int -freebsd_uthread_thread_alive (ptid_t ptid) -{ - struct cached_pthread *thread; - int ret = 0; - - if (freebsd_uthread_attaching) - return 1; - - /* - * We can get called from child_ops.to_wait() which passes the underlying - * pid (without a thread number). - */ - if (TIDGET(ptid) == 0) - return 1; - - if (find_pthread_addr (ptid) != 0) - { - thread = find_pthread (ptid); - ret = (thread->state != PS_DEAD_value); - } - - if (!ret) - free_ptid(ptid); - - return ret; -} - -static void -freebsd_uthread_stop (void) -{ - child_ops.to_stop (); -} - -static void -freebsd_uthread_find_new_threads (void) -{ - CORE_ADDR ptr; - int state; - u_int64_t uniqueid; - - read_memory ((CORE_ADDR)P_thread_list, - (char *)&ptr, - sizeof ptr); - - while (ptr != 0) - { - READ_FIELD(ptr, int, state, state); - READ_FIELD(ptr, u_int64_t, uniqueid, uniqueid); - if (state != PS_DEAD_value && - !in_thread_list (find_ptid(uniqueid))) - add_thread (find_ptid(uniqueid)); - ptr = read_pthread_next(ptr); - } -} - -/* MUST MATCH enum pthread_state */ -static const char *statenames[] = { - "RUNNING", - "SIGTHREAD", - "MUTEX_WAIT", - "COND_WAIT", - "FDLR_WAIT", - "FDLW_WAIT", - "FDR_WAIT", - "FDW_WAIT", - "POLL_WAIT", - "FILE_WAIT", - "SELECT_WAIT", - "SLEEP_WAIT", - "WAIT_WAIT", - "SIGSUSPEND", - "SIGWAIT", - "SPINBLOCK", - "JOIN", - "SUSPENDED", - "DEAD", - "DEADLOCK", -}; - -#if 0 - -static int -freebsd_uthread_get_thread_info (ref, selection, info) - gdb_threadref *ref; - int selection; - struct gdb_ext_thread_info *info; -{ - int pid = *ref; - struct cached_pthread *thread = find_pthread (pid); - struct cleanup *old_chain; - - old_chain = save_inferior_pid (); - inferior_pid = main_pid; - - memset(&info->threadid, 0, OPAQUETHREADBYTES); - - memcpy(&info->threadid, ref, sizeof *ref); - info->active = thread->state == PS_RUNNING_value; - strcpy(info->display, statenames[thread->state]); - if (thread->name) - read_memory ((CORE_ADDR) thread->name, info->shortname, 32); - else - strcpy(info->shortname, ""); - - do_cleanups (old_chain); - return (0); -} - -#endif - -char * -freebsd_uthread_pid_to_str (ptid_t ptid) -{ - static char buf[30]; - - if (STREQ (current_target.to_shortname, "freebsd-uthreads")) - sprintf (buf, "Process %d, Thread %ld", - PIDGET(ptid), TIDGET(ptid)); - else - sprintf (buf, "Process %d", PIDGET(ptid)); - - return buf; -} - - -static void -init_freebsd_uthread_ops () -{ - freebsd_uthread_ops.to_shortname = "freebsd-uthreads"; - freebsd_uthread_ops.to_longname = "FreeBSD uthreads"; - freebsd_uthread_ops.to_doc = "FreeBSD user threads support."; - freebsd_uthread_ops.to_open = freebsd_uthread_open; - freebsd_uthread_ops.to_attach = freebsd_uthread_attach; - freebsd_uthread_ops.to_post_attach = freebsd_uthread_post_attach; - freebsd_uthread_ops.to_detach = freebsd_uthread_detach; - freebsd_uthread_ops.to_resume = freebsd_uthread_resume; - freebsd_uthread_ops.to_wait = freebsd_uthread_wait; - freebsd_uthread_ops.to_fetch_registers = freebsd_uthread_fetch_registers; - freebsd_uthread_ops.to_store_registers = freebsd_uthread_store_registers; - freebsd_uthread_ops.to_prepare_to_store = freebsd_uthread_prepare_to_store; - freebsd_uthread_ops.to_xfer_memory = freebsd_uthread_xfer_memory; - freebsd_uthread_ops.to_files_info = freebsd_uthread_files_info; - freebsd_uthread_ops.to_insert_breakpoint = memory_insert_breakpoint; - freebsd_uthread_ops.to_remove_breakpoint = memory_remove_breakpoint; - freebsd_uthread_ops.to_terminal_init = terminal_init_inferior; - freebsd_uthread_ops.to_terminal_inferior = terminal_inferior; - freebsd_uthread_ops.to_terminal_ours_for_output = terminal_ours_for_output; - freebsd_uthread_ops.to_terminal_ours = terminal_ours; - freebsd_uthread_ops.to_terminal_info = child_terminal_info; - freebsd_uthread_ops.to_kill = freebsd_uthread_kill_inferior; - freebsd_uthread_ops.to_create_inferior = freebsd_uthread_create_inferior; - freebsd_uthread_ops.to_mourn_inferior = freebsd_uthread_mourn_inferior; - freebsd_uthread_ops.to_can_run = freebsd_uthread_can_run; - freebsd_uthread_ops.to_notice_signals = freebsd_uthread_notice_signals; - freebsd_uthread_ops.to_thread_alive = freebsd_uthread_thread_alive; - freebsd_uthread_ops.to_stop = freebsd_uthread_stop; - freebsd_uthread_ops.to_stratum = process_stratum; - freebsd_uthread_ops.to_has_all_memory = 1; - freebsd_uthread_ops.to_has_memory = 1; - freebsd_uthread_ops.to_has_stack = 1; - freebsd_uthread_ops.to_has_registers = 1; - freebsd_uthread_ops.to_has_execution = 1; - freebsd_uthread_ops.to_has_thread_control = 0; - freebsd_uthread_ops.to_magic = OPS_MAGIC; - freebsd_uthread_ops.to_find_new_threads = freebsd_uthread_find_new_threads; - freebsd_uthread_ops.to_pid_to_str = freebsd_uthread_pid_to_str; -#if 0 - freebsd_uthread_vec.get_thread_info = freebsd_uthread_get_thread_info; -#endif -} - -void -_initialize_freebsd_uthread () -{ - init_freebsd_uthread_ops (); - add_target (&freebsd_uthread_ops); - - target_new_objfile_chain = target_new_objfile_hook; - target_new_objfile_hook = freebsd_uthread_new_objfile; - - child_suppress_run = 1; -} diff --git a/devel/gdb53-act/files/kvm-fbsd.c b/devel/gdb53-act/files/kvm-fbsd.c deleted file mode 100644 index a7542c031ace..000000000000 --- a/devel/gdb53-act/files/kvm-fbsd.c +++ /dev/null @@ -1,756 +0,0 @@ -/* Kernel core dump functions below target vector, for GDB. - Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995 - Free Software Foundation, Inc. - -This file is part of GDB. - -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -*/ - -/* $FreeBSD$ */ - -/* - * This works like "remote" but, you use it like this: - * target kcore /dev/mem - * or - * target kcore /var/crash/host/core.0 - * - * This way makes it easy to short-circut the whole bfd monster, - * and direct the inferior stuff to our libkvm implementation. - * - */ - -#include <sys/param.h> -#include <sys/time.h> -#include <sys/proc.h> -#include <sys/user.h> -#include <ctype.h> -#include <errno.h> -#include <signal.h> -#include <fcntl.h> -#include <kvm.h> -#include <sys/sysctl.h> -#include <paths.h> -#include <readline/tilde.h> -#include <machine/frame.h> - -#include "defs.h" -#include "gdb_string.h" -#include "frame.h" /* required by inferior.h */ -#include "inferior.h" -#include "symtab.h" -#include "symfile.h" -#include "objfiles.h" -#include "command.h" -#include "bfd.h" -#include "target.h" -#include "gdbcore.h" -#include "regcache.h" - -#if __FreeBSD_version >= 500032 -static void -kcore_files_info (struct target_ops *); - -static void -kcore_close (int); - -static void -get_kcore_registers (int); - -static int -xfer_mem (CORE_ADDR, char *, int, int, struct mem_attrib *, - struct target_ops *); - -static int -xfer_umem (CORE_ADDR, char *, int, int); - -static char *core_file; -static kvm_t *core_kd; -static struct pcb cur_pcb; -static struct kinfo_proc *cur_proc; - -static struct target_ops kcore_ops; - -int kernel_debugging; -int kernel_writablecore; - -/* Read the "thing" at kernel address 'addr' into the space pointed to - by point. The length of the "thing" is determined by the type of p. - Result is non-zero if transfer fails. */ - -#define kvread(addr, p) \ - (target_read_memory ((CORE_ADDR) (addr), (char *) (p), sizeof (*(p)))) - -static CORE_ADDR -ksym_kernbase (void) -{ - static CORE_ADDR kernbase; - struct minimal_symbol *sym; - - if (kernbase == 0) - { - sym = lookup_minimal_symbol ("kernbase", NULL, NULL); - if (sym == NULL) { - kernbase = KERNBASE; - } else { - kernbase = SYMBOL_VALUE_ADDRESS (sym); - } - } - return kernbase; -} - -#define KERNOFF (ksym_kernbase ()) -#define INKERNEL(x) ((x) >= KERNOFF) - -CORE_ADDR -ksym_lookup(const char *name) -{ - struct minimal_symbol *sym; - - sym = lookup_minimal_symbol (name, NULL, NULL); - if (sym == NULL) - error ("kernel symbol `%s' not found.", name); - - return SYMBOL_VALUE_ADDRESS (sym); -} - -/* Provide the address of an initial PCB to use. - If this is a crash dump, try for "dumppcb". - If no "dumppcb" or it's /dev/mem, use proc0. - Return the core address of the PCB we found. */ - -static CORE_ADDR -initial_pcb (void) -{ - struct minimal_symbol *sym; - CORE_ADDR addr; - void *val; - - /* Make sure things are open... */ - if (!core_kd || !core_file) - return (0); - - /* If this is NOT /dev/mem try for dumppcb. */ - if (strncmp (core_file, _PATH_DEV, sizeof _PATH_DEV - 1)) - { - sym = lookup_minimal_symbol ("dumppcb", NULL, NULL); - if (sym != NULL) - { - addr = SYMBOL_VALUE_ADDRESS (sym); - return (addr); - } - } - - /* OK, just use thread0's pcb. Note that curproc might - not exist, and if it does, it will point to gdb. - Therefore, just use proc0 and let the user set - some other context if they care about it. */ - - addr = ksym_lookup ("thread0"); - if (kvread (addr, &val)) - { - error ("cannot read thread0 pointer at %x\n", addr); - val = 0; - } - else - { - /* Read the PCB address in thread structure. */ - addr += offsetof (struct thread, td_pcb); - if (kvread (addr, &val)) - { - error ("cannot read thread0->td_pcb pointer at %x\n", addr); - val = 0; - } - } - - /* thread0 is wholly in the kernel and cur_proc is only used for - reading user mem, so no point in setting this up. */ - cur_proc = 0; - - return ((CORE_ADDR)val); -} - -/* Set the current context to that of the PCB struct at the system address - passed. */ - -static int -set_context (CORE_ADDR addr) -{ - CORE_ADDR procaddr = 0; - - if (kvread (addr, &cur_pcb)) - error ("cannot read pcb at %#x", addr); - - /* Fetch all registers from core file. */ - target_fetch_registers (-1); - - /* Now, set up the frame cache, and print the top of stack. */ - flush_cached_frames (); - set_current_frame (create_new_frame (read_fp (), read_pc ())); - select_frame (get_current_frame ()); - return (0); -} - -/* Discard all vestiges of any previous core file and mark data and stack - spaces as empty. */ - -/* ARGSUSED */ -static void -kcore_close (int quitting) -{ - - inferior_ptid = null_ptid; /* Avoid confusion from thread stuff. */ - - if (core_kd) - { - kvm_close (core_kd); - free (core_file); - core_file = NULL; - core_kd = NULL; - } -} - -/* This routine opens and sets up the core file bfd. */ - -static void -kcore_open (char *filename /* the core file */, int from_tty) -{ - kvm_t *kd; - const char *p; - struct cleanup *old_chain; - char buf[256], *cp; - int ontop; - CORE_ADDR addr; - - target_preopen (from_tty); - - /* The exec file is required for symbols. */ - if (exec_bfd == NULL) - error ("No kernel exec file specified"); - - if (core_kd) - { - error ("No core file specified." - " (Use `detach' to stop debugging a core file.)"); - return; - } - - if (!filename) - { - error ("No core file specified."); - return; - } - - filename = tilde_expand (filename); - if (filename[0] != '/') - { - cp = concat (current_directory, "/", filename, NULL); - free (filename); - filename = cp; - } - - old_chain = make_cleanup (free, filename); - - kd = kvm_open (bfd_get_filename(exec_bfd), filename, NULL, - kernel_writablecore ? O_RDWR: O_RDONLY, 0); - if (kd == NULL) - { - perror_with_name (filename); - return; - } - - /* Looks semi-reasonable. Toss the old core file and work on the new. */ - - discard_cleanups (old_chain); /* Don't free filename any more. */ - core_file = filename; - unpush_target (&kcore_ops); - ontop = !push_target (&kcore_ops); - - /* Note unpush_target (above) calls kcore_close. */ - core_kd = kd; - - /* Print out the panic string if there is one. */ - if (kvread (ksym_lookup ("panicstr"), &addr) == 0 && - addr != 0 && - target_read_memory (addr, buf, sizeof(buf)) == 0) - { - - for (cp = buf; cp < &buf[sizeof(buf)] && *cp; cp++) - if (!isascii (*cp) || (!isprint (*cp) && !isspace (*cp))) - *cp = '?'; - *cp = '\0'; - if (buf[0] != '\0') - printf_filtered ("panic: %s\n", buf); - } - - /* Print all the panic messages if possible. */ - if (symfile_objfile != NULL) - { - printf ("panic messages:\n---\n"); - snprintf (buf, sizeof buf, - "/sbin/dmesg -N %s -M %s | \ - /usr/bin/awk '/^(panic:|Fatal trap) / { printing = 1 } \ - { if (printing) print $0 }'", - symfile_objfile->name, filename); - fflush (stdout); - system (buf); - printf ("---\n"); - } - - if (!ontop) - { - warning ("you won't be able to access this core file until you terminate\n" - "your %s; do ``info files''", target_longname); - return; - } - - /* Now, set up process context, and print the top of stack. */ - (void)set_context (initial_pcb()); - print_stack_frame (selected_frame, frame_relative_level(selected_frame), 1); -} - -static void -kcore_detach (char *args, int from_tty) -{ - if (args) - error ("Too many arguments"); - unpush_target (&kcore_ops); - reinit_frame_cache (); - if (from_tty) - printf_filtered ("No kernel core file now.\n"); -} - -#ifdef __alpha__ - -#include "alpha/tm-alpha.h" -#include "alpha-tdep.h" - -#ifndef S0_REGNUM -#define S0_REGNUM (ALPHA_T7_REGNUM+1) -#endif - -fetch_kcore_registers (struct pcb *pcbp) -{ - - /* First clear out any garbage. */ - memset (registers, '\0', REGISTER_BYTES); - - /* SP */ - *(long *) ®isters[REGISTER_BYTE (SP_REGNUM)] = - pcbp->pcb_hw.apcb_ksp; - - /* S0 through S6 */ - memcpy (®isters[REGISTER_BYTE (S0_REGNUM)], - &pcbp->pcb_context[0], 7 * sizeof (long)); - - /* PC */ - *(long *) ®isters[REGISTER_BYTE (PC_REGNUM)] = - pcbp->pcb_context[7]; - - registers_fetched (); -} - - -CORE_ADDR -fbsd_kern_frame_saved_pc (struct frame_info *fi) -{ - struct minimal_symbol *sym; - CORE_ADDR this_saved_pc; - - this_saved_pc = FRAME_SAVED_PC(fi); - - sym = lookup_minimal_symbol_by_pc (this_saved_pc); - - if (sym != NULL && - (strcmp (SYMBOL_NAME (sym), "XentArith") == 0 || - strcmp (SYMBOL_NAME (sym), "XentIF") == 0 || - strcmp (SYMBOL_NAME (sym), "XentInt") == 0 || - strcmp (SYMBOL_NAME (sym), "XentMM") == 0 || - strcmp (SYMBOL_NAME (sym), "XentSys") == 0 || - strcmp (SYMBOL_NAME (sym), "XentUna") == 0 || - strcmp (SYMBOL_NAME (sym), "XentRestart") == 0)) - { - return (read_memory_integer (fi->frame + 32 * 8, 8)); - } - else - { - return (this_saved_pc); - } -} - -#endif /* __alpha__ */ - -#ifdef __i386__ - -static CORE_ADDR -ksym_maxuseraddr (void) -{ - static CORE_ADDR maxuseraddr; - struct minimal_symbol *sym; - - if (maxuseraddr == 0) - { - sym = lookup_minimal_symbol ("PTmap", NULL, NULL); - if (sym == NULL) { - maxuseraddr = VM_MAXUSER_ADDRESS; - } else { - maxuseraddr = SYMBOL_VALUE_ADDRESS (sym); - } - } - return maxuseraddr; -} - - -/* Symbol names of kernel entry points. Use special frames. */ -#define KSYM_TRAP "calltrap" -#define KSYM_INTR "Xintr" -#define KSYM_FASTINTR "Xfastintr" -#define KSYM_OLDSYSCALL "Xlcall_syscall" -#define KSYM_SYSCALL "Xint0x80_syscall" - -/* The following is FreeBSD-specific hackery to decode special frames - and elide the assembly-language stub. This could be made faster by - defining a frame_type field in the machine-dependent frame information, - but we don't think that's too important right now. */ -enum frametype { tf_normal, tf_trap, tf_interrupt, tf_syscall }; - -CORE_ADDR -fbsd_kern_frame_saved_pc (struct frame_info *fr) -{ - struct minimal_symbol *sym; - CORE_ADDR this_saved_pc; - enum frametype frametype; - - this_saved_pc = read_memory_integer (fr->frame + 4, 4); - sym = lookup_minimal_symbol_by_pc (this_saved_pc); - frametype = tf_normal; - if (sym != NULL) - { - if (strcmp (SYMBOL_NAME (sym), KSYM_TRAP) == 0) - frametype = tf_trap; - else - if (strncmp (SYMBOL_NAME (sym), KSYM_INTR, - strlen (KSYM_INTR)) == 0 || strncmp (SYMBOL_NAME(sym), - KSYM_FASTINTR, strlen (KSYM_FASTINTR)) == 0) - frametype = tf_interrupt; - else - if (strcmp (SYMBOL_NAME (sym), KSYM_SYSCALL) == 0 || - strcmp (SYMBOL_NAME (sym), KSYM_OLDSYSCALL) == 0) - frametype = tf_syscall; - } - - switch (frametype) - { - default: - case tf_normal: - return (this_saved_pc); -#define oEIP offsetof (struct trapframe, tf_eip) - - case tf_trap: - return (read_memory_integer (fr->frame + 8 + oEIP, 4)); - - case tf_interrupt: - return (read_memory_integer (fr->frame + 12 + oEIP, 4)); - - case tf_syscall: - return (read_memory_integer (fr->frame + 8 + oEIP, 4)); -#undef oEIP - } -} - -static void -fetch_kcore_registers (struct pcb *pcb) -{ - int i; - int noreg; - - /* Get the register values out of the sys pcb and store them where - `read_register' will find them. */ - /* - * XXX many registers aren't available. - * XXX for the non-core case, the registers are stale - they are for - * the last context switch to the debugger. - * XXX gcc's register numbers aren't all #defined in tm-i386.h. - */ - noreg = 0; - for (i = 0; i < 3; ++i) /* eax,ecx,edx */ - supply_register (i, (char *)&noreg); - - supply_register (3, (char *) &pcb->pcb_ebx); - supply_register (SP_REGNUM, (char *) &pcb->pcb_esp); - supply_register (FP_REGNUM, (char *) &pcb->pcb_ebp); - supply_register (6, (char *) &pcb->pcb_esi); - supply_register (7, (char *) &pcb->pcb_edi); - supply_register (PC_REGNUM, (char *) &pcb->pcb_eip); - - for (i = 9; i < 14; ++i) /* eflags, cs, ss, ds, es, fs */ - supply_register (i, (char *) &noreg); - supply_register (15, (char *) &pcb->pcb_gs); - - /* XXX 80387 registers? */ -} - -#endif /* __i386__ */ - -#ifdef __sparc64__ - -#define SPARC_INTREG_SIZE 8 - -static void -fetch_kcore_registers (struct pcb *pcbp) -{ - static struct frame top; - CORE_ADDR f_addr; - int i; - - /* Get the register values out of the sys pcb and store them where - `read_register' will find them. */ - /* - * XXX many registers aren't available. - * XXX for the non-core case, the registers are stale - they are for - * the last context switch to the debugger. - * XXX do something with the floating-point registers? - */ - supply_register (SP_REGNUM, &pcbp->pcb_sp); - supply_register (PC_REGNUM, &pcbp->pcb_pc); - f_addr = extract_address (&pcbp->pcb_sp, SPARC_INTREG_SIZE); - /* Load the previous frame by hand (XXX) and supply it. */ - read_memory (f_addr + SPOFF, (char *)&top, sizeof (top)); - for (i = 0; i < 8; i++) - supply_register (i + L0_REGNUM, &top.fr_local[i]); - for (i = 0; i < 8; i++) - supply_register (i + I0_REGNUM, &top.fr_in[i]); -} - -CORE_ADDR -fbsd_kern_frame_saved_pc (struct frame_info *fi) -{ - struct minimal_symbol *sym; - CORE_ADDR frame, pc_addr, pc; - char *buf; - - buf = alloca (MAX_REGISTER_RAW_SIZE); - /* XXX: duplicates fi->extra_info->bottom. */ - frame = (fi->next != NULL) ? fi->next->frame : read_sp (); - pc_addr = frame + offsetof (struct frame, fr_in[7]); - -#define READ_PC(pc, a, b) do { \ - read_memory (a, b, SPARC_INTREG_SIZE); \ - pc = extract_address (b, SPARC_INTREG_SIZE); \ -} while (0) - - READ_PC (pc, pc_addr, buf); - - sym = lookup_minimal_symbol_by_pc (pc); - if (sym != NULL) - { - if (strncmp (SYMBOL_NAME (sym), "tl0_", 4) == 0 || - strcmp (SYMBOL_NAME (sym), "btext") == 0 || - strcmp (SYMBOL_NAME (sym), "mp_startup") == 0 || - strcmp (SYMBOL_NAME (sym), "fork_trampoline") == 0) - { - /* - * Ugly kluge: user space addresses aren't separated from kernel - * ones by range; if encountering a trap from user space, just - * return a 0 to stop the trace. - * Do the same for entry points of kernel processes to avoid - * printing garbage. - */ - pc = 0; - } - if (strncmp (SYMBOL_NAME (sym), "tl1_", 4) == 0) - { - pc_addr = fi->frame + sizeof (struct frame) + - offsetof (struct trapframe, tf_tpc); - READ_PC (pc, pc_addr, buf); - } - } - return (pc); -} - -#endif /* __sparc64__ */ - -/* Get the registers out of a core file. This is the machine- - independent part. Fetch_core_registers is the machine-dependent - part, typically implemented in the xm-file for each architecture. */ - -/* We just get all the registers, so we don't use regno. */ - -/* ARGSUSED */ -static void -get_kcore_registers (int regno) -{ - - /* XXX - Only read the pcb when set_context() is called. - When looking at a live kernel this may be a problem, - but the user can do another "proc" or "pcb" command to - grab a new copy of the pcb... */ - - /* Zero out register set then fill in the ones we know about. */ - fetch_kcore_registers (&cur_pcb); -} - -static void -kcore_files_info (t) - struct target_ops *t; -{ - printf_filtered ("\t`%s'\n", core_file); -} - -/* If mourn is being called in all the right places, this could be say - `gdb internal error' (since generic_mourn calls breakpoint_init_inferior). */ - -static int -ignore (CORE_ADDR addr, char *contents) -{ - return 0; -} - -static int -xfer_kmem (CORE_ADDR memaddr, char *myaddr, int len, int write, - struct mem_attrib *attrib, struct target_ops *target) -{ - int n; - - - if (!INKERNEL (memaddr)) - return xfer_umem (memaddr, myaddr, len, write); - - if (core_kd == NULL) - return 0; - - if (write) - n = kvm_write (core_kd, memaddr, myaddr, len); - else - n = kvm_read (core_kd, memaddr, myaddr, len) ; - if (n < 0) { - fprintf_unfiltered (gdb_stderr, "can not access 0x%x, %s\n", - memaddr, kvm_geterr (core_kd)); - n = 0; - } - - return n; -} - - -static int -xfer_umem (CORE_ADDR memaddr, char *myaddr, int len, int write /* ignored */) -{ - int n = 0; - - if (cur_proc == 0) - { - error ("---Can't read userspace from dump, or kernel process---\n"); - return 0; - } - - if (write) - error ("kvm_uwrite unimplemented\n"); - else - n = kvm_uread (core_kd, cur_proc, memaddr, myaddr, len) ; - - if (n < 0) - return 0; - - return n; -} - -static void -set_proc_cmd (char *arg, int from_tty) -{ - CORE_ADDR addr, pid_addr, first_td; - void *val; - struct kinfo_proc *kp; - int cnt; - pid_t pid; - - if (!arg) - error_no_arg ("proc address for the new context"); - - if (core_kd == NULL) - error ("no kernel core file"); - - addr = (CORE_ADDR) parse_and_eval_address (arg); - - if (!INKERNEL (addr)) - { - kp = kvm_getprocs (core_kd, KERN_PROC_PID, addr, &cnt); - if (!cnt) - error ("invalid pid"); - addr = (CORE_ADDR)kp->ki_paddr; - cur_proc = kp; - } - else - { - /* Update cur_proc. */ - pid_addr = addr + offsetof (struct proc, p_pid); - if (kvread (pid_addr, &pid)) - error ("cannot read pid ptr"); - cur_proc = kvm_getprocs (core_kd, KERN_PROC_PID, pid, &cnt); - if (!cnt) - error("invalid pid"); - } - - /* Find the first thread in the process. XXXKSE */ - addr += offsetof (struct proc, p_threads.tqh_first); - if (kvread (addr, &first_td)) - error ("cannot read thread ptr"); - - /* Read the PCB address in thread structure. */ - addr = first_td + offsetof (struct thread, td_pcb); - if (kvread (addr, &val)) - error("cannot read pcb ptr"); - - /* Read the PCB address in proc structure. */ - if (set_context ((CORE_ADDR) val)) - error ("invalid proc address"); -} -#else -int kernel_debugging = 0; -int kernel_writablecore = 0; - -CORE_ADDR -fbsd_kern_frame_saved_pc (struct frame_info *fi) -{ - return 0; -} -#endif - -void -_initialize_kcorelow (void) -{ -#if __FreeBSD_version >= 500032 - kcore_ops.to_shortname = "kcore"; - kcore_ops.to_longname = "Kernel core dump file"; - kcore_ops.to_doc = - "Use a core file as a target. Specify the filename of the core file."; - kcore_ops.to_open = kcore_open; - kcore_ops.to_close = kcore_close; - kcore_ops.to_attach = find_default_attach; - kcore_ops.to_detach = kcore_detach; - kcore_ops.to_fetch_registers = get_kcore_registers; - kcore_ops.to_xfer_memory = xfer_kmem; - kcore_ops.to_files_info = kcore_files_info; - kcore_ops.to_create_inferior = find_default_create_inferior; - kcore_ops.to_stratum = kcore_stratum; - kcore_ops.to_has_memory = 1; - kcore_ops.to_has_stack = 1; - kcore_ops.to_has_registers = 1; - kcore_ops.to_magic = OPS_MAGIC; - - add_target (&kcore_ops); - add_com ("proc", class_obscure, set_proc_cmd, "Set current process context"); -#endif -} diff --git a/devel/gdb53-act/files/patch-gdb_config_alpha_fbsd.mh b/devel/gdb53-act/files/patch-gdb_config_alpha_fbsd.mh deleted file mode 100644 index 5d5df6b89105..000000000000 --- a/devel/gdb53-act/files/patch-gdb_config_alpha_fbsd.mh +++ /dev/null @@ -1,10 +0,0 @@ ---- gdb/config/alpha/fbsd.mh Sat Jan 19 17:12:50 2002 -+++ gdb/config/alpha/fbsd.mh Sun Oct 13 12:22:36 2002 -@@ -1,5 +1,6 @@ - # Host: FreeBSD/Alpha - NATDEPFILES= fork-child.o infptrace.o inftarg.o \ - solib.o solib-svr4.o solib-legacy.o \ -- corelow.o core-regset.o alphabsd-nat.o -+ corelow.o core-regset.o alphabsd-nat.o freebsd-uthread.o kvm-fbsd.o - NAT_FILE= nm-fbsd.h -+NAT_CLIBS= -lkvm diff --git a/devel/gdb53-act/files/patch-gdb_config_alpha_nm-fbsd.h b/devel/gdb53-act/files/patch-gdb_config_alpha_nm-fbsd.h deleted file mode 100644 index d364e03cd2ec..000000000000 --- a/devel/gdb53-act/files/patch-gdb_config_alpha_nm-fbsd.h +++ /dev/null @@ -1,11 +0,0 @@ ---- gdb/config/alpha/nm-fbsd.h Tue Mar 6 00:21:21 2001 -+++ gdb/config/alpha/nm-fbsd.h Sun Oct 13 12:23:51 2002 -@@ -22,6 +22,8 @@ - #ifndef NM_FBSD_H - #define NM_FBSD_H - -+#include "config/nm-fbsd.h" -+ - /* Type of the third argument to the `ptrace' system call. */ - #define PTRACE_ARG3_TYPE caddr_t - diff --git a/devel/gdb53-act/files/patch-gdb_config_i386_fbsd.mh b/devel/gdb53-act/files/patch-gdb_config_i386_fbsd.mh deleted file mode 100644 index b9645a9b1765..000000000000 --- a/devel/gdb53-act/files/patch-gdb_config_i386_fbsd.mh +++ /dev/null @@ -1,10 +0,0 @@ ---- gdb/config/i386/fbsd.mh Sat May 11 10:22:27 2002 -+++ gdb/config/i386/fbsd.mh Sun Oct 13 11:50:47 2002 -@@ -4,4 +4,6 @@ - - NAT_FILE= nm-fbsd.h - # NOTE: Do not spread NATDEPFILES over several lines - it hurts BSD make. --NATDEPFILES= fork-child.o infptrace.o inftarg.o solib.o solib-svr4.o solib-legacy.o corelow.o core-aout.o core-regset.o i386-nat.o i386bsd-nat.o i386fbsd-nat.o gcore.o fbsd-proc.o -+NATDEPFILES= fork-child.o infptrace.o inftarg.o solib.o solib-svr4.o solib-legacy.o corelow.o core-aout.o core-regset.o i386-nat.o i386bsd-nat.o i386fbsd-nat.o gcore.o fbsd-proc.o kvm-fbsd.o freebsd-uthread.o -+ -+NAT_CLIBS= -lkvm diff --git a/devel/gdb53-act/files/patch-gdb_config_i386_nm-fbsd.h b/devel/gdb53-act/files/patch-gdb_config_i386_nm-fbsd.h deleted file mode 100644 index efd2ce270e6f..000000000000 --- a/devel/gdb53-act/files/patch-gdb_config_i386_nm-fbsd.h +++ /dev/null @@ -1,10 +0,0 @@ ---- gdb/config/i386/nm-fbsd.h Fri Jun 28 11:44:49 2002 -+++ gdb/config/i386/nm-fbsd.h Sun Oct 13 10:53:27 2002 -@@ -26,6 +26,7 @@ - #define I386_USE_GENERIC_WATCHPOINTS - #endif - -+#include "config/nm-fbsd.h" - #include "i386/nm-i386.h" - - #ifdef HAVE_SYS_PARAM_H diff --git a/devel/gdb53-act/files/patch-gdb_config_nm-fbsd.h b/devel/gdb53-act/files/patch-gdb_config_nm-fbsd.h deleted file mode 100644 index 9b6c033446c5..000000000000 --- a/devel/gdb53-act/files/patch-gdb_config_nm-fbsd.h +++ /dev/null @@ -1,39 +0,0 @@ ---- gdb/config/nm-fbsd.h Fri Jan 3 09:33:00 2003 -+++ gdb/config/nm-fbsd.h Fri Jan 3 09:36:00 2003 -@@ -0,0 +1,36 @@ -+#ifndef CONFIG_NM_FBSD_H -+#define CONFIG_NM_FBSD_H -+ -+#ifdef HAVE_SYS_PARAM_H -+#include <sys/param.h> -+#endif -+ -+extern int kernel_debugging; -+extern int kernel_writablecore; -+ -+CORE_ADDR fbsd_kern_frame_saved_pc(struct frame_info *frame); -+ -+#if __FreeBSD_version >= 500032 -+#define ADDITIONAL_OPTIONS \ -+ {"kernel", no_argument, &kernel_debugging, 1}, \ -+ {"k", no_argument, &kernel_debugging, 1}, \ -+ {"wcore", no_argument, &kernel_writablecore, 1}, \ -+ {"w", no_argument, &kernel_writablecore, 1}, -+ -+#define ADDITIONAL_OPTION_HELP \ -+ "\ -+ --kernel Enable kernel debugging.\n\ -+ --wcore Make core file writable (only works for /dev/mem).\n\ -+ This option only works while debugging a kernel !!\n\ -+" -+ -+#define DEFAULT_PROMPT kernel_debugging?"(kgdb) ":"(gdb) " -+ -+/* misuse START_PROGRESS to test whether we're running as kgdb */ -+/* START_PROGRESS is called at the top of main */ -+#undef START_PROGRESS -+#define START_PROGRESS(STR,N) \ -+ if (!strcmp (STR, "kgdb")) \ -+ kernel_debugging = 1; -+#endif -+#endif /* CONFIG_NM_FBSD_H */ diff --git a/devel/gdb53-act/files/patch-gdb_config_sparc_fbsd.mh b/devel/gdb53-act/files/patch-gdb_config_sparc_fbsd.mh deleted file mode 100644 index 1a23ca92d26f..000000000000 --- a/devel/gdb53-act/files/patch-gdb_config_sparc_fbsd.mh +++ /dev/null @@ -1,13 +0,0 @@ ---- gdb/config/sparc/fbsd.mh.orig Wed Mar 13 03:20:24 2002 -+++ gdb/config/sparc/fbsd.mh Thu Oct 17 05:59:25 2002 -@@ -19,7 +19,7 @@ - # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ - - # Host: FreeBSD/sparc64 --NATDEPFILES= sparc-nat.o \ -- corelow.o fork-child.o infptrace.o inftarg.o \ -- solib.o solib-svr4.o solib-legacy.o -+NATDEPFILES= fork-child.o infptrace.o inftarg.o sparc64nbsd-nat.o \ -+ solib.o solib-svr4.o solib-legacy.o kvm-fbsd.o - NAT_FILE= nm-fbsd.h -+NAT_CLIBS= -lkvm diff --git a/devel/gdb53-act/files/patch-gdb_config_sparc_fbsd.mt b/devel/gdb53-act/files/patch-gdb_config_sparc_fbsd.mt deleted file mode 100644 index 3147c4ef30e2..000000000000 --- a/devel/gdb53-act/files/patch-gdb_config_sparc_fbsd.mt +++ /dev/null @@ -1,10 +0,0 @@ ---- gdb/config/sparc/fbsd.mt.orig Wed Mar 13 03:20:24 2002 -+++ gdb/config/sparc/fbsd.mt Thu Oct 17 05:59:59 2002 -@@ -19,5 +19,6 @@ - # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ - - # Target: FreeBSD/sparc64 --TDEPFILES= sparc-tdep.o solib.o solib-svr4.o solib-legacy.o -+TDEPFILES= sparc-tdep.o sparcnbsd-tdep.o nbsd-tdep.o corelow.o solib.o \ -+ solib-svr4.o solib-legacy.o - TM_FILE= tm-fbsd.h diff --git a/devel/gdb53-act/files/patch-gdb_config_sparc_nm-fbsd.h b/devel/gdb53-act/files/patch-gdb_config_sparc_nm-fbsd.h deleted file mode 100644 index 4ab0b5ada57d..000000000000 --- a/devel/gdb53-act/files/patch-gdb_config_sparc_nm-fbsd.h +++ /dev/null @@ -1,72 +0,0 @@ ---- gdb/config/sparc/nm-fbsd.h.orig Fri Mar 1 18:35:24 2002 -+++ gdb/config/sparc/nm-fbsd.h Tue Oct 22 16:33:14 2002 -@@ -32,36 +32,45 @@ - #define ATTACH_DETACH - - --/* Shared library support. */ -+#include "regcache.h" -+ -+/* Get generic FreeBSD native definitions. */ -+ -+#include "config/nm-fbsd.h" -+ -+/* Shared library support. */ - - #define SVR4_SHARED_LIBS - - #include "solib.h" /* Support for shared libraries. */ - #include "elf/common.h" /* Additional ELF shared library info. */ - --/* Make things match up with what is expected in sparc-nat.c. */ -+/* Before storing, we need to read all the registers. */ -+ -+#define CHILD_PREPARE_TO_STORE() read_register_bytes (0, NULL, REGISTER_BYTES) -+ -+#define REG32_OFFSET_GLOBAL (0) -+#define REG32_OFFSET_OUT (32) -+#define REG32_OFFSET_NPC (96) -+#define REG32_OFFSET_PC (100) -+#define REG32_OFFSET_PSR (104) -+#define REG32_OFFSET_Y (112) -+#define REG32_SIZE (128) -+#define FPREG32_SIZE (136) -+ -+#define REG64_OFFSET_GLOBAL (0) -+#define REG64_OFFSET_OUT (64) -+#define REG64_OFFSET_NPC (192) -+#define REG64_OFFSET_PC (200) -+#define REG64_OFFSET_TSTATE (208) -+#define REG64_OFFSET_Y (224) -+#define REG64_SIZE (256) -+#define FPREG64_SIZE (272) -+ -+#define JB32_OFFSET_PC REG32_OFFSET_PC -+#define JB64_OFFSET_PC REG64_OFFSET_PC - --#define PTRACE_GETREGS PT_GETREGS --#define PTRACE_SETREGS PT_SETREGS --#define PTRACE_GETFPREGS PT_GETFPREGS --#define PTRACE_SETFPREGS PT_SETFPREGS -- --#define GDB_GREGSET_T struct reg --#define GDB_FPREGSET_T struct fpreg -- --#define regs trapframe --#define r_g1 tf_global[1] --#define r_ps tf_tstate --#define r_pc tf_tpc --#define r_npc tf_tnpc --#define r_y tf_y -- --#define FPU_FSR_TYPE unsigned long --#define fp_status fpreg /* our reg.h */ --#define fpu fpreg /* our reg.h */ --#define fpu_regs fr_regs /* one field of fpu_fr on Solaris */ --#define fpu_fr fr_regs /* a union w/in struct fpu on Solaris */ --#define fpu_fsr fr_fsr --#define Fpu_fsr fr_fsr -+#define reg64 reg -+#define fpreg64 fpreg - - #endif /* NM_FBSD_H */ diff --git a/devel/gdb53-act/files/patch-gdb_config_sparc_tm-fbsd.h b/devel/gdb53-act/files/patch-gdb_config_sparc_tm-fbsd.h deleted file mode 100644 index 4e15435b3505..000000000000 --- a/devel/gdb53-act/files/patch-gdb_config_sparc_tm-fbsd.h +++ /dev/null @@ -1,17 +0,0 @@ ---- gdb/config/sparc/tm-fbsd.h.orig Fri Mar 1 18:35:24 2002 -+++ gdb/config/sparc/tm-fbsd.h Thu Oct 17 06:01:10 2002 -@@ -22,13 +22,7 @@ - #define TM_FBSD_H - - #define SVR4_SHARED_LIBS -+#include "sparc/tm-sp64.h" /* sets GDB_MULTI_ARCH */ - #include "solib.h" /* Support for shared libraries. */ --#include "sparc/tm-sp64.h" -- --/* Number of traps that happen between exec'ing the shell to run an -- inferior, and when we finally get to the inferior code. The -- default is right for FreeBSD. */ -- --#undef START_INFERIOR_TRAPS_EXPECTED - - #endif /* TM_FBSD_H */ diff --git a/devel/gdb53-act/files/patch-gdb_defs.h b/devel/gdb53-act/files/patch-gdb_defs.h deleted file mode 100644 index be60dcfc7217..000000000000 --- a/devel/gdb53-act/files/patch-gdb_defs.h +++ /dev/null @@ -1,20 +0,0 @@ ---- gdb/defs.h Thu Aug 1 10:18:32 2002 -+++ gdb/defs.h Sun Oct 13 10:44:10 2002 -@@ -39,8 +39,6 @@ - #include <unistd.h> - #endif - --#include "gdb_locale.h" -- - /* For ``enum target_signal''. */ - #include "gdb/signals.h" - -@@ -57,6 +55,8 @@ - here and in all subsequent file inclusions. */ - - #include "ansidecl.h" -+ -+#include "gdb_locale.h" - - #include <stdarg.h> /* for va_list */ - diff --git a/devel/gdb53-act/files/patch-gdb_i386-tdep.c b/devel/gdb53-act/files/patch-gdb_i386-tdep.c deleted file mode 100644 index f91663ccfa40..000000000000 --- a/devel/gdb53-act/files/patch-gdb_i386-tdep.c +++ /dev/null @@ -1,12 +0,0 @@ ---- gdb/i386-tdep.c Mon Aug 26 11:35:25 2002 -+++ gdb/i386-tdep.c Sun Oct 13 14:15:58 2002 -@@ -534,6 +534,9 @@ - static CORE_ADDR - i386_frame_saved_pc (struct frame_info *frame) - { -+ if (kernel_debugging) -+ return fbsd_kern_frame_saved_pc(frame); -+ - if (PC_IN_CALL_DUMMY (frame->pc, 0, 0)) - return generic_read_register_dummy (frame->pc, frame->frame, - PC_REGNUM); diff --git a/devel/gdb53-act/files/patch-gdb_i386bsd-nat.c b/devel/gdb53-act/files/patch-gdb_i386bsd-nat.c deleted file mode 100644 index a28ce60b09e2..000000000000 --- a/devel/gdb53-act/files/patch-gdb_i386bsd-nat.c +++ /dev/null @@ -1,20 +0,0 @@ ---- gdb/i386bsd-nat.c 2003/01/02 20:22:00 1.1 -+++ gdb/i386bsd-nat.c 2003/01/02 20:22:35 -@@ -306,7 +306,7 @@ - /* For some mysterious reason, some of the reserved bits in the - debug control register get set. Mask these off, otherwise the - ptrace call below will fail. */ -- dbregs.dr7 &= ~(0x0000fc00); -+ DBREG_DRX ((&dbregs), 7) = ~(0x0000fc00); - - DBREG_DRX ((&dbregs), regnum) = value; - -@@ -355,7 +355,7 @@ - return 0; - #endif - -- return dbregs.dr6; -+ return DBREG_DRX ((&dbregs), 6); - } - - #endif /* PT_GETDBREGS */ diff --git a/devel/gdb53-act/files/patch-gdb_sparc-tdep.c b/devel/gdb53-act/files/patch-gdb_sparc-tdep.c deleted file mode 100644 index 950276ea2089..000000000000 --- a/devel/gdb53-act/files/patch-gdb_sparc-tdep.c +++ /dev/null @@ -1,13 +0,0 @@ ---- gdb/sparc-tdep.c.orig Sun Oct 20 18:21:09 2002 -+++ gdb/sparc-tdep.c Sun Oct 20 18:16:53 2002 -@@ -450,6 +450,9 @@ - char *buf; - CORE_ADDR addr; - -+ if (kernel_debugging) -+ return fbsd_kern_frame_saved_pc(frame); -+ - buf = alloca (MAX_REGISTER_RAW_SIZE); - if (frame->signal_handler_caller) - { - diff --git a/devel/gdb53-act/files/patch-gdb_sparcnbsd-tdep.c b/devel/gdb53-act/files/patch-gdb_sparcnbsd-tdep.c deleted file mode 100644 index 13ba396dd6b7..000000000000 --- a/devel/gdb53-act/files/patch-gdb_sparcnbsd-tdep.c +++ /dev/null @@ -1,63 +0,0 @@ -diff -urN gdb/sparcnbsd-tdep.c.orig gdb/sparcnbsd-tdep.c ---- gdb/sparcnbsd-tdep.c.orig Sat Oct 19 17:19:17 2002 -+++ gdb/sparcnbsd-tdep.c Sat Oct 19 17:44:47 2002 -@@ -31,20 +31,6 @@ - - #include "solib-svr4.h" - --#define REG32_OFFSET_PSR (0 * 4) --#define REG32_OFFSET_PC (1 * 4) --#define REG32_OFFSET_NPC (2 * 4) --#define REG32_OFFSET_Y (3 * 4) --#define REG32_OFFSET_GLOBAL (4 * 4) --#define REG32_OFFSET_OUT (12 * 4) -- --#define REG64_OFFSET_TSTATE (0 * 8) --#define REG64_OFFSET_PC (1 * 8) --#define REG64_OFFSET_NPC (2 * 8) --#define REG64_OFFSET_Y (3 * 8) --#define REG64_OFFSET_GLOBAL (4 * 8) --#define REG64_OFFSET_OUT (12 * 8) -- - void - sparcnbsd_supply_reg32 (char *regs, int regno) - { -@@ -375,16 +361,13 @@ - - if (gdbarch_ptr_bit (current_gdbarch) == 32) - { -- reg_size = (20 * 4); -- fpreg_size = (33 * 4); -+ reg_size = REG32_SIZE; -+ fpreg_size = FPREG32_SIZE; - } - else - { -- reg_size = (20 * 8); -- fpreg_size = (64 * 4) -- + 8 /* fsr */ -- + 4 /* gsr */ -- + 4; /* pad */ -+ reg_size = REG64_SIZE; -+ fpreg_size = FPREG64_SIZE; - } - - switch (which) -@@ -442,7 +425,7 @@ - - jb_addr = read_register (O0_REGNUM); - -- if (target_read_memory (jb_addr + 12, buf, sizeof (buf))) -+ if (target_read_memory (jb_addr + JB32_OFFSET_PC, buf, sizeof (buf))) - return 0; - - *pc = extract_address (buf, sizeof (buf)); -@@ -458,7 +441,7 @@ - - jb_addr = read_register (O0_REGNUM); - -- if (target_read_memory (jb_addr + 16, buf, sizeof (buf))) -+ if (target_read_memory (jb_addr + JB64_OFFSET_PC, buf, sizeof (buf))) - return 0; - - *pc = extract_address (buf, sizeof (buf)); diff --git a/devel/gdb53-act/files/patch-gdb_symfile.c b/devel/gdb53-act/files/patch-gdb_symfile.c deleted file mode 100644 index 99c75ffe04bf..000000000000 --- a/devel/gdb53-act/files/patch-gdb_symfile.c +++ /dev/null @@ -1,15 +0,0 @@ ---- gdb/symfile.c Tue Feb 26 17:40:36 2002 -+++ gdb/symfile.c Wed May 29 11:10:17 2002 -@@ -1546,11 +1546,7 @@ - char *val = sect_opts[i].value; - char *sec = sect_opts[i].name; - -- val = sect_opts[i].value; -- if (val[0] == '0' && val[1] == 'x') -- addr = strtoul (val+2, NULL, 16); -- else -- addr = strtoul (val, NULL, 10); -+ addr = parse_and_eval_address(val); - - /* Here we store the section offsets in the order they were - entered on the command line. */ diff --git a/devel/gdb53-act/files/patch-gdb_target.c b/devel/gdb53-act/files/patch-gdb_target.c deleted file mode 100644 index 3bd25996c60a..000000000000 --- a/devel/gdb53-act/files/patch-gdb_target.c +++ /dev/null @@ -1,11 +0,0 @@ ---- gdb/target.c Mon Aug 26 12:18:33 2002 -+++ gdb/target.c Sun Oct 13 10:51:32 2002 -@@ -1429,7 +1429,7 @@ - for (t = target_structs; t < target_structs + target_struct_size; - ++t) - { -- if ((*t)->to_stratum == core_stratum) -+ if ((*t)->to_stratum == (kernel_debugging ? kcore_stratum : core_stratum)) - { - runable = *t; - ++count; diff --git a/devel/gdb53-act/files/patch-gdb_target.h b/devel/gdb53-act/files/patch-gdb_target.h deleted file mode 100644 index 147cfe49620f..000000000000 --- a/devel/gdb53-act/files/patch-gdb_target.h +++ /dev/null @@ -1,10 +0,0 @@ ---- gdb/target.h Sat Feb 9 20:08:42 2002 -+++ gdb/target.h Fri May 24 08:38:31 2002 -@@ -52,6 +52,7 @@ - dummy_stratum, /* The lowest of the low */ - file_stratum, /* Executable files, etc */ - core_stratum, /* Core dump files */ -+ kcore_stratum, /* Kernel core files */ - download_stratum, /* Downloading of remote targets */ - process_stratum, /* Executing processes */ - thread_stratum /* Executing threads */ diff --git a/devel/gdb53-act/files/patch-gdb_version.in b/devel/gdb53-act/files/patch-gdb_version.in deleted file mode 100644 index 4496ebfb1f3e..000000000000 --- a/devel/gdb53-act/files/patch-gdb_version.in +++ /dev/null @@ -1,5 +0,0 @@ ---- gdb/version.in Fri Apr 26 18:04:22 2002 -+++ gdb/version.in Mon Jun 3 08:14:54 2002 -@@ -1 +1 @@ --5.2.90 -+5.3 (FreeBSD) |