/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* Please see the License for the specific language governing rights and
* limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
#include <string.h>
#include <mach/boolean.h>
+#include <mach/machine.h>
+
#include <vm/vm_map.h>
+
#include <kern/thread.h>
#include <kern/processor.h>
#include <kern/task.h>
+#include <ppc/cpu_internal.h>
+#include <ppc/exception.h>
+
#include <machine/asm.h>
#include <machine/db_machdep.h>
#include <machine/setjmp.h>
-#include <mach/machine.h>
#include <ddb/db_access.h>
#include <ddb/db_sym.h>
#include <ddb/db_output.h>
extern jmp_buf_t *db_recover;
-extern struct savearea *saved_state[];
struct savearea ddb_null_kregs;
#define DB_NUMARGS_MAX 5
+#define INFIXEDSTACK(va) 0 \
-extern char FixedStackStart[], FixedStackEnd[];
-#define INFIXEDSTACK(va) \
- ((((vm_offset_t)(va)) >= (vm_offset_t)&FixedStackStart) && \
- (((vm_offset_t)(va)) < ((vm_offset_t)&FixedStackEnd)))
-
-#if 0
-
-#define INKERNELSTACK(va, th) \
- (th == THR_ACT_NULL || \
- (((vm_offset_t)(va)) >= th->thread->kernel_stack && \
- (((vm_offset_t)(va)) < th->thread->kernel_stack + \
- KERNEL_STACK_SIZE)) || \
- INFIXEDSTACK(va))
-#else
#define INKERNELSTACK(va, th) 1
-#endif
-
-#ifdef __MACHO__
struct db_ppc_frame {
struct db_ppc_frame *f_frame;
int pad1;
- db_addr_t f_retaddr;
+ uint32_t f_retaddr;
int pad3;
int pad4;
int pad5;
- db_addr_t f_arg[DB_NUMARGS_MAX];
+ uint32_t f_arg[DB_NUMARGS_MAX];
};
-#endif
#define TRAP 1
#define INTERRUPT 2
db_addr_t db_syscall_symbol_value = 0;
boolean_t db_trace_symbols_found = FALSE;
-extern int db_ppc_reg_value(
+static int db_ppc_reg_value(
struct db_variable * vp,
db_expr_t * val,
int flag,
db_var_aux_param_t ap);
-extern void db_find_trace_symbols(void);
-extern int db_numargs(
+static void db_find_trace_symbols(void);
+static int db_numargs(
struct db_ppc_frame *fp,
task_t task);
-extern boolean_t db_find_arg(
+static boolean_t db_find_arg(
struct db_ppc_frame *frame,
db_addr_t calleepc,
task_t task,
int narg,
db_addr_t *arg);
-extern void db_nextframe(
+static void db_nextframe(
struct db_ppc_frame **lfp,
struct db_ppc_frame **fp,
db_addr_t *ip,
int frame_type,
thread_act_t thr_act,
db_addr_t linkpc);
-extern int _setjmp(
- jmp_buf_t * jb);
/*
* Machine register set.
*/
struct db_variable db_regs[] = {
/* XXX "pc" is an alias to "srr0"... */
- { "pc", (int *)&ddb_regs.save_srr0, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "srr0", (int *)&ddb_regs.save_srr0, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "srr1", (int *)&ddb_regs.save_srr1, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r0", (int *)&ddb_regs.save_r0, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r1", (int *)&ddb_regs.save_r1, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r2", (int *)&ddb_regs.save_r2, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r3", (int *)&ddb_regs.save_r3, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r4", (int *)&ddb_regs.save_r4, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r5", (int *)&ddb_regs.save_r5, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r6", (int *)&ddb_regs.save_r6, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r7", (int *)&ddb_regs.save_r7, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r8", (int *)&ddb_regs.save_r8, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r9", (int *)&ddb_regs.save_r9, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r10", (int *)&ddb_regs.save_r10, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r11", (int *)&ddb_regs.save_r11, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r12", (int *)&ddb_regs.save_r12, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r13", (int *)&ddb_regs.save_r13, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r14", (int *)&ddb_regs.save_r14, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r15", (int *)&ddb_regs.save_r15, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r16", (int *)&ddb_regs.save_r16, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r17", (int *)&ddb_regs.save_r17, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r18", (int *)&ddb_regs.save_r18, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r19", (int *)&ddb_regs.save_r19, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r20", (int *)&ddb_regs.save_r20, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r21", (int *)&ddb_regs.save_r21, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r22", (int *)&ddb_regs.save_r22, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r23", (int *)&ddb_regs.save_r23, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r24", (int *)&ddb_regs.save_r24, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r25", (int *)&ddb_regs.save_r25, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r26", (int *)&ddb_regs.save_r26, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r27", (int *)&ddb_regs.save_r27, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r28", (int *)&ddb_regs.save_r28, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r29", (int *)&ddb_regs.save_r29, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r30", (int *)&ddb_regs.save_r30, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "r31", (int *)&ddb_regs.save_r31, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "cr", (int *)&ddb_regs.save_cr, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "xer", (int *)&ddb_regs.save_xer, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "lr", (int *)&ddb_regs.save_lr, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
- { "ctr", (int *)&ddb_regs.save_ctr, db_ppc_reg_value, 0, 0, 0, 0, TRUE },
+ {
+ .name = "pc",
+ .valuep = &ddb_regs.save_srr0,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "srr0",
+ .valuep = &ddb_regs.save_srr0,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "srr1",
+ .valuep = &ddb_regs.save_srr1,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r0",
+ .valuep = &ddb_regs.save_r0,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r1",
+ .valuep = &ddb_regs.save_r1,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r2",
+ .valuep = &ddb_regs.save_r2,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r3",
+ .valuep = &ddb_regs.save_r3,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r4",
+ .valuep = &ddb_regs.save_r4,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r5",
+ .valuep = &ddb_regs.save_r5,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r6",
+ .valuep = &ddb_regs.save_r6,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r7",
+ .valuep = &ddb_regs.save_r7,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r8",
+ .valuep = &ddb_regs.save_r8,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r9",
+ .valuep = &ddb_regs.save_r9,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r10",
+ .valuep = &ddb_regs.save_r10,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r11",
+ .valuep = &ddb_regs.save_r11,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r12",
+ .valuep = &ddb_regs.save_r12,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r13",
+ .valuep = &ddb_regs.save_r13,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r14",
+ .valuep = &ddb_regs.save_r14,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r15",
+ .valuep = &ddb_regs.save_r15,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r16",
+ .valuep = &ddb_regs.save_r16,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r17",
+ .valuep = &ddb_regs.save_r17,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r18",
+ .valuep = &ddb_regs.save_r18,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r19",
+ .valuep = &ddb_regs.save_r19,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r20",
+ .valuep = &ddb_regs.save_r20,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r21",
+ .valuep = &ddb_regs.save_r21,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r22",
+ .valuep = &ddb_regs.save_r22,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r23",
+ .valuep = &ddb_regs.save_r23,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r24",
+ .valuep = &ddb_regs.save_r24,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r25",
+ .valuep = &ddb_regs.save_r25,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r26",
+ .valuep = &ddb_regs.save_r26,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r27",
+ .valuep = &ddb_regs.save_r27,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r28",
+ .valuep = &ddb_regs.save_r28,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r29",
+ .valuep = &ddb_regs.save_r29,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r30",
+ .valuep = &ddb_regs.save_r30,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "r31",
+ .valuep = &ddb_regs.save_r31,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "cr",
+ .valuep = (db_expr_t *)&ddb_regs.save_cr,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "xer",
+ .valuep = &ddb_regs.save_xer,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "lr",
+ .valuep = &ddb_regs.save_lr,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
+ {
+ .name = "ctr",
+ .valuep = &ddb_regs.save_ctr,
+ .fcn = db_ppc_reg_value,
+ .min_level = 0,
+ .max_level = 0,
+ .low = 0,
+ .high = 0,
+ .hidden_level = TRUE,
+ },
};
struct db_variable *db_eregs = db_regs + sizeof(db_regs)/sizeof(db_regs[0]);
int flag,
db_var_aux_param_t ap)
{
- int *dp = 0;
- db_expr_t null_reg = 0;
- register thread_act_t thr_act = ap->thr_act;
- int cpu;
+ db_expr_t *dp = 0;
+ db_expr_t null_reg = 0;
+ uint32_t *dp32;
+ thread_act_t thr_act = ap->thr_act;
+ unsigned int cpu;
if (db_option(ap->modif, 'u')) {
- if (thr_act == THR_ACT_NULL) {
- if ((thr_act = current_act()) == THR_ACT_NULL)
- db_error("no user registers\n");
- }
- if (thr_act == current_act()) {
- if (IS_USER_TRAP((&ddb_regs)))
- dp = vp->valuep;
- else if (INFIXEDSTACK(ddb_regs.save_r1))
- db_error("cannot get/set user registers in nested interrupt\n");
- }
- } else {
- if (thr_act == THR_ACT_NULL || thr_act == current_act()) {
- dp = vp->valuep;
- } else {
- if (thr_act->thread &&
- !(thr_act->thread->state & TH_STACK_HANDOFF) &&
- thr_act->thread->kernel_stack) {
- int cpu;
-
- for (cpu = 0; cpu < NCPUS; cpu++) {
- if (cpu_to_processor(cpu)->state == PROCESSOR_RUNNING &&
- cpu_to_processor(cpu)->cpu_data->active_thread == thr_act->thread && saved_state[cpu]) {
- dp = (int *) (((int)saved_state[cpu]) +
- (((int) vp->valuep) -
- (int) &ddb_regs));
- break;
- }
+ if (thr_act == THR_ACT_NULL) {
+ if ((thr_act = current_thread()) == THR_ACT_NULL)
+ db_error("no user registers\n");
}
+ if (thr_act == current_thread()) {
+ if (IS_USER_TRAP((&ddb_regs))) dp = vp->valuep;
+ else if (INFIXEDSTACK(ddb_regs.save_r1))
+ db_error("cannot get/set user registers in nested interrupt\n");
+ }
+ }
+ else {
+ if (thr_act == THR_ACT_NULL || thr_act == current_thread()) {
+ dp = vp->valuep;
+ }
+ else {
+ if (thr_act->kernel_stack) {
+ for (cpu = 0; cpu < real_ncpus; cpu++) {
+ if (cpu_to_processor(cpu)->state == PROCESSOR_RUNNING &&
+ cpu_to_processor(cpu)->active_thread == thr_act &&
+ PerProcTable[cpu].ppe_vaddr->db_saved_state) {
- if (dp == 0)
- dp = &null_reg;
- } else if (thr_act->thread &&
- (thr_act->thread->state&TH_STACK_HANDOFF)){
- /* only PC is valid */
- if (vp->valuep == (int *) &ddb_regs.save_srr0) {
- dp = (int *)(&thr_act->thread->continuation);
- } else {
- dp = &null_reg;
+ dp = (db_expr_t)(((uint32_t)(PerProcTable[cpu].ppe_vaddr->db_saved_state)) +
+ (((uint32_t) vp->valuep) -
+ (uint32_t) &ddb_regs));
+ break;
+ }
+ }
+
+ if (dp == 0)
+ dp = &null_reg;
+ }
+ else {
+ /* only PC is valid */
+ if (vp->valuep == &ddb_regs.save_srr0)
+ dp = (db_expr_t *)&thr_act->continuation;
+ else
+ dp = &null_reg;
+ }
}
- }
- }
}
if (dp == 0) {
- int cpu;
-
- if (!db_option(ap->modif, 'u')) {
- for (cpu = 0; cpu < NCPUS; cpu++) {
- if (cpu_to_processor(cpu)->state == PROCESSOR_RUNNING &&
- cpu_to_processor(cpu)->cpu_data->active_thread == thr_act->thread && saved_state[cpu]) {
- dp = (int *) (((int)saved_state[cpu]) +
- (((int) vp->valuep) -
- (int) &ddb_regs));
- break;
- }
+ if (!db_option(ap->modif, 'u')) {
+ for (cpu = 0; cpu < real_ncpus; cpu++) {
+ if (cpu_to_processor(cpu)->state == PROCESSOR_RUNNING &&
+ cpu_to_processor(cpu)->active_thread == thr_act &&
+ PerProcTable[cpu].ppe_vaddr->db_saved_state) {
+ dp = (int *) (((int)(PerProcTable[cpu].ppe_vaddr->db_saved_state)) +
+ (((int) vp->valuep) - (int) &ddb_regs));
+ break;
+ }
+ }
+ }
+ if (dp == 0) {
+ if (!thr_act || thr_act->machine.pcb == 0)
+ db_error("no pcb\n");
+ dp = (int *)((int)thr_act->machine.pcb + ((int)vp->valuep - (int)&ddb_regs));
}
- }
- if (dp == 0) {
- if (!thr_act || thr_act->mact.pcb == 0)
- db_error("no pcb\n");
- dp = (int *)((int)thr_act->mact.pcb +
- ((int)vp->valuep - (int)&ddb_regs));
- }
}
- if (flag == DB_VAR_SET)
- *dp = *valuep;
- else
- *valuep = *dp;
- return(0);
+
+ if(vp->valuep == (db_expr_t *)&ddb_regs.save_cr) { /* Is this the CR we are doing? */
+ dp32 = (uint32_t *)dp; /* Make this easier */
+ if (flag == DB_VAR_SET)
+ *dp32 = *valuep;
+ else
+ *valuep = *dp32;
+ }
+ else { /* Normal 64-bit registers */
+ if (flag == DB_VAR_SET)
+ *dp = *valuep;
+ else
+ *valuep = *(unsigned long long *)dp;
+ }
+
+ return 0;
}
+
void
db_find_trace_symbols(void)
{
found_some = FALSE;
if (db_value_of_name(CC_SYM_PREFIX "thandler", &value)) {
- db_user_trap_symbol_value = (db_addr_t) value;
- found_some = TRUE;
+ db_user_trap_symbol_value = (db_addr_t) value;
+ found_some = TRUE;
}
if (db_value_of_name(CC_SYM_PREFIX "thandler", &value)) {
- db_kernel_trap_symbol_value = (db_addr_t) value;
- found_some = TRUE;
+ db_kernel_trap_symbol_value = (db_addr_t) value;
+ found_some = TRUE;
}
if (db_value_of_name(CC_SYM_PREFIX "ihandler", &value)) {
- db_interrupt_symbol_value = (db_addr_t) value;
- found_some = TRUE;
+ db_interrupt_symbol_value = (db_addr_t) value;
+ found_some = TRUE;
}
#if 0
if (db_value_of_name(CC_SYM_PREFIX "return_to_iret", &value)) {
- db_return_to_iret_symbol_value = (db_addr_t) value;
- found_some = TRUE;
+ db_return_to_iret_symbol_value = (db_addr_t) value;
+ found_some = TRUE;
}
#endif
if (db_value_of_name(CC_SYM_PREFIX "thandler", &value)) {
- db_syscall_symbol_value = (db_addr_t) value;
- found_some = TRUE;
+ db_syscall_symbol_value = (db_addr_t) value;
+ found_some = TRUE;
}
if (found_some)
- db_trace_symbols_found = TRUE;
+ db_trace_symbols_found = TRUE;
}
int
struct db_ppc_frame *fp,
task_t task)
{
- return (DB_NUMARGS_MAX);
+ return DB_NUMARGS_MAX;
}
boolean_t
int inst;
char *name;
-#if XXX_BS
+#if 0
db_find_task_sym_and_offset(calleepc, &name, &offset, task);
calleep = calleepc-offset;
}
inst = db_get_task_value(calleep, 4, FALSE, task);
if ((inst & 0xffff0000) == (0x907f0000 + (narg << 21)) ||
- (inst & 0xffff0000) == (0x90610000 + (narg << 21))) {
+ (inst & 0xffff0000) == (0x90610000 + (narg << 21))) {
argp = (db_addr_t) &(fp->f_arg[narg]);
*arg = argp;
return TRUE;
return FALSE;
}
+extern int TRAP_TYPES;
/*
* Figure out the next frame up in the call stack.
* For trap(), we print the address of the faulting instruction and
thread_act_t thr_act,
db_addr_t linkpc) /* in */
{
- extern char * trap_type[];
- extern int TRAP_TYPES;
-
struct savearea *saved_regs;
task_t task = (thr_act != THR_ACT_NULL)? thr_act->task: TASK_NULL;
switch(frame_type) {
case TRAP:
-
- db_printf(">>>>> trap <<<<<\n");
- goto miss_frame;
- break;
+ db_printf(">>>>> trap <<<<<\n");
+ goto miss_frame;
+ break;
case INTERRUPT:
- if (*lfp == 0) {
+ if (*lfp == 0) {
+ db_printf(">>>>> interrupt <<<<<\n");
+ goto miss_frame;
+ }
db_printf(">>>>> interrupt <<<<<\n");
goto miss_frame;
- }
- db_printf(">>>>> interrupt <<<<<\n");
- goto miss_frame;
- break;
- case SYSCALL:
- if (thr_act != THR_ACT_NULL && thr_act->mact.pcb) {
- *ip = (db_addr_t) thr_act->mact.pcb->save_srr0;
- *fp = (struct db_ppc_frame *) (thr_act->mact.pcb->save_r1);
break;
- }
- /* falling down for unknown case */
+ case SYSCALL:
+ if (thr_act != THR_ACT_NULL && thr_act->machine.pcb) {
+ *ip = (db_addr_t) thr_act->machine.pcb->save_srr0;
+ *fp = (struct db_ppc_frame *) (thr_act->machine.pcb->save_r1);
+ break;
+ }
+ /* falling down for unknown case */
default:
- miss_frame:
+miss_frame:
+ if(!pmap_find_phys(kernel_pmap, (addr64_t)*fp)) { /* Check if this is valid */
+ db_printf("Frame not mapped %08X\n",*fp); /* Say not found */
+ *fp = 0; /* Show not found */
+ break; /* Out of here */
+ }
+
if ((*fp)->f_frame)
- *ip = (db_addr_t)
- db_get_task_value((int)&(*fp)->f_frame->f_retaddr,
- 4, FALSE, task);
+ *ip = (db_addr_t)
+ db_get_task_value((int)&(*fp)->f_frame->f_retaddr,
+ 4, FALSE, task);
else
*ip = (db_addr_t)
- db_get_task_value((int)&(*fp)->f_retaddr,
- 4, FALSE, task);
+ db_get_task_value((int)&(*fp)->f_retaddr,
+ 4, FALSE, task);
- *lfp = *fp;
- *fp = (struct db_ppc_frame *)
- db_get_task_value((int)&(*fp)->f_frame, 4, FALSE, task);
- break;
+ *lfp = *fp;
+ *fp = (struct db_ppc_frame *)
+ db_get_task_value((int)&(*fp)->f_frame, 4, FALSE, task);
+ break;
}
}
queue_entry_t act_list;
if (!db_trace_symbols_found)
- db_find_trace_symbols();
+ db_find_trace_symbols();
{
- register char *cp = modif;
- register char c;
+ char *cp = modif;
+ char c;
while ((c = *cp++) != 0) {
if (c == 't')
}
if (trace_all_threads) {
- if (!have_addr && !trace_thread) {
+ if (!have_addr && !trace_thread) {
have_addr = TRUE;
trace_thread = TRUE;
- act_list = &(current_task()->thr_acts);
+ act_list = &(current_task()->threads);
addr = (db_expr_t) queue_first(act_list);
- }
+ }
else if (trace_thread) {
if (have_addr) {
if (!db_check_act_address_valid((thread_act_t)addr)) {
if (db_lookup_task((task_t)addr) == -1)
return;
- act_list = &(((task_t)addr)->thr_acts);
+ act_list = &(((task_t)addr)->threads);
addr = (db_expr_t) queue_first(act_list);
}
else {
- act_list = &(((thread_act_t)addr)->task->thr_acts);
+ act_list = &(((thread_act_t)addr)->task->threads);
thcount = db_lookup_task_act(((thread_act_t)addr)->task,
- (thread_act_t)addr);
+ (thread_act_t)addr);
}
}
else {
th = db_default_act;
if (th == THR_ACT_NULL)
- th = current_act();
+ th = current_thread();
if (th == THR_ACT_NULL) {
db_printf("no active thr_act\n");
return;
}
have_addr = TRUE;
- act_list = &th->task->thr_acts;
+ act_list = &th->task->threads;
addr = (db_expr_t) queue_first(act_list);
}
- }
+ }
}
if (count == -1)
- count = 65535;
+ count = 65535;
next_thread:
top_act = THR_ACT_NULL;
frame_count = count;
if (!have_addr && !trace_thread) {
- frame = (struct db_ppc_frame *)(ddb_regs.save_r1);
- callpc = (db_addr_t)ddb_regs.save_srr0;
- linkpc = (db_addr_t)ddb_regs.save_lr;
- th = current_act();
- task = (th != THR_ACT_NULL)? th->task: TASK_NULL;
+ frame = (struct db_ppc_frame *)(ddb_regs.save_r1);
+ callpc = (db_addr_t)ddb_regs.save_srr0;
+ linkpc = (db_addr_t)ddb_regs.save_lr;
+ th = current_thread();
+ task = (th != THR_ACT_NULL)? th->task: TASK_NULL;
}
else if (trace_thread) {
- if (have_addr) {
+ if (have_addr) {
th = (thread_act_t) addr;
if (!db_check_act_address_valid(th))
- return;
- }
+ return;
+ }
else {
th = db_default_act;
if (th == THR_ACT_NULL)
- th = current_act();
+ th = current_thread();
if (th == THR_ACT_NULL) {
- db_printf("no active thread\n");
- return;
+ db_printf("no active thread\n");
+ return;
}
- }
- if (trace_all_threads)
- db_printf("---------- Thread 0x%x (#%d of %d) ----------\n",
- addr, thcount, th->task->thr_act_count);
+ }
+ if (trace_all_threads)
+ db_printf("---------- Thread 0x%x (#%d of %d) ----------\n",
+ addr, thcount, th->task->thread_count);
next_activation:
+ user_frame = 0;
- user_frame = 0;
-
- task = th->task;
- if (th == current_act()) {
- frame = (struct db_ppc_frame *)(ddb_regs.save_r1);
- callpc = (db_addr_t)ddb_regs.save_srr0;
+ task = th->task;
+ if (th == current_thread()) {
+ frame = (struct db_ppc_frame *)(ddb_regs.save_r1);
+ callpc = (db_addr_t)ddb_regs.save_srr0;
linkpc = (db_addr_t)ddb_regs.save_lr;
- }
+ }
else {
- if (th->mact.pcb == 0) {
- db_printf("thread has no pcb\n");
+ if (th->machine.pcb == 0) {
+ db_printf("thread has no pcb\n");
goto thread_done;
}
- if (!th->thread) {
- register struct savearea *pss =
- th->mact.pcb;
-
- db_printf("thread has no shuttle\n");
- goto thread_done;
- }
- else if ((th->thread->state & TH_STACK_HANDOFF) ||
- th->thread->kernel_stack == 0) {
- register struct savearea *pss =
- th->mact.pcb;
-
+ if (th->kernel_stack == 0) {
+ struct savearea *pss = th->machine.pcb;
+
db_printf("Continuation ");
- db_task_printsym((db_expr_t)th->thread->continuation,
- DB_STGY_PROC, task);
+ db_task_printsym((db_expr_t)th->continuation,
+ DB_STGY_PROC, task);
db_printf("\n");
frame = (struct db_ppc_frame *) (pss->save_r1);
callpc = (db_addr_t) (pss->save_srr0);
}
else {
int cpu;
-
- for (cpu = 0; cpu < NCPUS; cpu++) {
+
+ for (cpu = 0; cpu < real_ncpus; cpu++) {
if (cpu_to_processor(cpu)->state == PROCESSOR_RUNNING &&
- cpu_to_processor(cpu)->cpu_data->active_thread == th->thread &&
- saved_state[cpu]) {
+ cpu_to_processor(cpu)->active_thread == th &&
+ PerProcTable[cpu].ppe_vaddr->db_saved_state) {
break;
}
}
* use the activation's pcb.
*/
struct savearea *pss;
-
- pss = th->mact.pcb;
+
+ pss = th->machine.pcb;
frame = (struct db_ppc_frame *) (pss->save_r1);
callpc = (db_addr_t) (pss->save_srr0);
linkpc = (db_addr_t) (pss->save_lr);
- } else {
- if (cpu == NCPUS) {
- register struct savearea *iks;
- int r;
-
- iks = th->mact.pcb;
- prev = db_recover;
- if ((r = _setjmp(db_recover = &db_jmp_buf)) == 0) {
- frame = (struct db_ppc_frame *) (iks->save_r1);
- callpc = (db_addr_t) (iks->save_lr);
- linkpc = 0;
- } else {
- /*
- * The kernel stack has probably been
- * paged out (swapped out activation).
- */
- db_recover = prev;
- if (r == 2) /* 'q' from db_more() */
- db_error(0);
- db_printf("<kernel stack (0x%x) error "
- "(probably swapped out)>\n",
- iks);
- goto next_act;
- }
- db_recover = prev;
+ } else {
+ if (cpu == real_ncpus) {
+ struct savearea *iks;
+ int r;
+
+ iks = th->machine.pcb;
+ prev = db_recover;
+ if ((r = _setjmp(db_recover = &db_jmp_buf)) == 0) {
+ frame = (struct db_ppc_frame *) (iks->save_r1);
+ callpc = (db_addr_t) (iks->save_lr);
+ linkpc = 0;
} else {
- db_printf(">>>>> active on cpu %d <<<<<\n",
- cpu);
- frame = (struct db_ppc_frame *)
- (saved_state[cpu]->save_r1);
- callpc = (db_addr_t) saved_state[cpu]->save_srr0;
- linkpc = (db_addr_t) saved_state[cpu]->save_lr;
+ /*
+ * The kernel stack has probably been
+ * paged out (swapped out activation).
+ */
+ db_recover = prev;
+ if (r == 2) /* 'q' from db_more() */
+ db_error(0);
+ db_printf("<kernel stack (0x%x) error "
+ "(probably swapped out)>\n",
+ iks);
+ goto next_act;
}
+ db_recover = prev;
+ } else {
+ db_printf(">>>>> active on cpu %d <<<<<\n",
+ cpu);
+ frame = (struct db_ppc_frame *)
+ (PerProcTable[cpu].ppe_vaddr->db_saved_state->save_r1);
+ callpc = (db_addr_t) PerProcTable[cpu].ppe_vaddr->db_saved_state->save_srr0;
+ linkpc = (db_addr_t) PerProcTable[cpu].ppe_vaddr->db_saved_state->save_lr;
}
}
- }
+ }
+ }
} else {
- frame = (struct db_ppc_frame *)addr;
- th = (db_default_act)? db_default_act: current_act();
- task = (th != THR_ACT_NULL)? th->task: TASK_NULL;
- if (frame->f_frame) {
- callpc = (db_addr_t)db_get_task_value
+ frame = (struct db_ppc_frame *)addr;
+ th = (db_default_act)? db_default_act: current_thread();
+ task = (th != THR_ACT_NULL)? th->task: TASK_NULL;
+ if (frame->f_frame) {
+ callpc = (db_addr_t)db_get_task_value
((int)&frame->f_frame->f_retaddr,
- 4, FALSE, (user_frame) ? task : 0);
- callpc = callpc-sizeof(callpc);
- } else
- callpc =0;
- linkpc = 0;
+ 4, FALSE, (user_frame) ? task : 0);
+ callpc = callpc-sizeof(callpc);
+ } else
+ callpc =0;
+ linkpc = 0;
}
if (!INKERNELSTACK((unsigned)frame, th)) {
- db_printf(">>>>> user space <<<<<\n");
- if (kernel_only)
- goto thread_done;
- user_frame++;
+ db_printf(">>>>> user space <<<<<\n");
+ if (kernel_only)
+ goto thread_done;
+ user_frame++;
}
-
+
lastframe = 0;
lastcallpc = (db_addr_t) 0;
while (frame_count-- && frame != 0) {
db_addr_t off;
db_symbol_values(NULL,
- db_search_task_symbol_and_line(
- callpc, DB_STGY_XTRN, &offset, &filename,
- &linenum, (user_frame) ? task : 0, &narg),
- &name, (db_expr_t *)&call_func);
+ db_search_task_symbol_and_line(
+ callpc, DB_STGY_XTRN, &offset, &filename,
+ &linenum, (user_frame) ? task : 0, &narg),
+ &name, (db_expr_t *)&call_func);
if ( name == NULL) {
db_find_task_sym_and_offset(callpc,
- &name, &off, (user_frame) ? task : 0);
+ &name, &off, (user_frame) ? task : 0);
offset = (db_expr_t) off;
}
if (user_frame == 0) {
if (call_func &&
- (call_func == db_user_trap_symbol_value ||
- call_func == db_kernel_trap_symbol_value)) {
- frame_type = TRAP;
- narg = 1;
+ (call_func == db_user_trap_symbol_value ||
+ call_func == db_kernel_trap_symbol_value)) {
+ frame_type = TRAP;
+ narg = 1;
} else if (call_func &&
- call_func == db_interrupt_symbol_value) {
+ call_func == db_interrupt_symbol_value) {
frame_type = INTERRUPT;
goto next_frame;
} else if (call_func &&
- call_func == db_syscall_symbol_value) {
+ call_func == db_syscall_symbol_value) {
frame_type = SYSCALL;
goto next_frame;
} else {
frame_type = 0;
prev = db_recover;
if ((r = _setjmp(db_recover = &db_jmp_buf))
- == 0) {
- if (narg < 0)
+ == 0) {
+ if (narg < 0)
narg = db_numargs(frame,
- (user_frame) ? task : 0);
+ (user_frame) ? task : 0);
db_recover = prev;
} else {
db_recover = prev;
goto next_act;
}
}
- } else {
+ } else {
frame_type = 0;
prev = db_recover;
if ((r = _setjmp(db_recover = &db_jmp_buf)) == 0) {
if (narg < 0)
narg = db_numargs(frame,
- (user_frame) ? task : 0);
+ (user_frame) ? task : 0);
db_recover = prev;
} else {
db_recover = prev;
}
}
- if (name == 0 || offset > db_maxoff) {
- db_printf("[%08X]0x%08X(", frame, callpc);
- } else {
- db_printf("[%08X]%s", frame, name);
- if (offset)
- db_printf("+%x", offset);
- db_printf("(");
- };
+ if (name == 0 || offset > db_maxoff) {
+ db_printf("[%08X]0x%08X(", frame, callpc);
+ } else {
+ db_printf("[%08X]%s", frame, name);
+ if (offset)
+ db_printf("+%llx", offset);
+ db_printf("(");
+ };
+
+ narg = db_numargs(frame, (user_frame) ? task : 0);
- narg = db_numargs(frame, (user_frame) ? task : 0);
+ for (arg = 0; arg < narg; arg++) {
+ db_addr_t argp;
+ int value;
+ boolean_t found;
- for (arg =0; arg < narg; arg++) {
- db_addr_t argp;
- int value;
- boolean_t found;
+ prev = db_recover;
+ if ((r = _setjmp(db_recover = &db_jmp_buf)) == 0) {
+ found = FALSE;
+ if (lastframe)
+ found = db_find_arg(frame, lastframe->f_retaddr,
+ (user_frame) ? task : 0, arg, &argp);
+ if (found)
+ value = db_get_task_value(argp, 4, FALSE,
+ (user_frame) ? task : 0);
+ } else {
+ db_recover = prev;
+ if (r == 2) /* 'q' from db_more() */
+ db_error(0);
+ db_printf("... <stack error>)");
+ db_printf("\n");
+ goto next_act;
+ }
+ db_recover = prev;
+ if (found)
+ db_printf("%08X", value);
+ else
+ db_printf("??");
+ argp = argp + sizeof(argp);
+ if (arg < narg-1)
+ db_printf(",");
+ }
+ if (arg != narg)
+ db_printf("...");
+ db_printf(")");
+ db_printf("\n");
+next_frame:
+ lastcallpc = callpc;
prev = db_recover;
if ((r = _setjmp(db_recover = &db_jmp_buf)) == 0) {
- found = FALSE;
- if (lastframe)
- found = db_find_arg(frame, lastframe->f_retaddr,
- (user_frame) ? task : 0, arg, &argp);
- if (found)
- value = db_get_task_value(argp, 4, FALSE,
- (user_frame) ? task : 0);
+ db_nextframe(&lastframe, &frame, &callpc, frame_type,
+ (user_frame) ? th : THR_ACT_NULL, linkpc);
+ callpc = callpc-sizeof(callpc);
+ db_recover = prev;
} else {
db_recover = prev;
- if (r == 2) /* 'q' from db_more() */
- db_error(0);
- db_printf("... <stack error>)");
- db_printf("\n");
- goto next_act;
+ frame = 0;
}
- db_recover = prev;
- if (found)
- db_printf("%08X", value);
- else
- db_printf("??");
- argp = argp + sizeof(argp);
- if (arg < narg-1)
- db_printf(",");
- }
- if (arg != narg)
- db_printf("...");
- db_printf(")");
- db_printf("\n");
-
- next_frame:
- lastcallpc = callpc;
- prev = db_recover;
- if ((r = _setjmp(db_recover = &db_jmp_buf)) == 0) {
- db_nextframe(&lastframe, &frame, &callpc, frame_type,
- (user_frame) ? th : THR_ACT_NULL, linkpc);
- callpc = callpc-sizeof(callpc);
- db_recover = prev;
- } else {
- db_recover = prev;
- frame = 0;
- }
- linkpc = 0;
-
- if (frame == 0) {
- next_act:
- if (th->lower != THR_ACT_NULL) {
- if (top_act == THR_ACT_NULL)
- top_act = th;
- th = th->lower;
- db_printf(">>>>> next activation 0x%x ($task%d.%d) <<<<<\n",
- th,
- db_lookup_task(th->task),
- db_lookup_task_act(th->task, th));
- goto next_activation;
+ linkpc = 0;
+
+ if (frame == 0) {
+next_act:
+ /* end of chain */
+ break;
}
- /* end of chain */
- break;
- }
- if (!INKERNELSTACK(lastframe, th) ||
- !INKERNELSTACK((unsigned)frame, th))
- user_frame++;
- if (user_frame == 1) {
- db_printf(">>>>> user space <<<<<\n");
- if (kernel_only)
- break;
- }
-
+ if (!INKERNELSTACK(lastframe, th) ||
+ !INKERNELSTACK((unsigned)frame, th))
+ user_frame++;
+ if (user_frame == 1) {
+ db_printf(">>>>> user space <<<<<\n");
+ if (kernel_only)
+ break;
+ }
+
if (frame <= lastframe) {
- if ((INKERNELSTACK(lastframe, th) && !INKERNELSTACK(frame, th))) continue;
- db_printf("Bad frame pointer: 0x%x\n", frame);
- break;
- }
+ if ((INKERNELSTACK(lastframe, th) && !INKERNELSTACK(frame, th)))
+ continue;
+ db_printf("Bad frame pointer: 0x%x\n", frame);
+ break;
+ }
}
- thread_done:
+thread_done:
if (trace_all_threads) {
- if (top_act != THR_ACT_NULL)
- th = top_act;
- th = (thread_act_t) queue_next(&th->thr_acts);
- if (! queue_end(act_list, (queue_entry_t) th)) {
- db_printf("\n");
- addr = (db_expr_t) th;
- thcount++;
- goto next_thread;
-
- }
+ if (top_act != THR_ACT_NULL)
+ th = top_act;
+ th = (thread_act_t) queue_next(&th->task_threads);
+ if (! queue_end(act_list, (queue_entry_t) th)) {
+ db_printf("\n");
+ addr = (db_expr_t) th;
+ thcount++;
+ goto next_thread;
+ }
}
}
projects / apple / xnu.git / blobdiff