PERFORCE change 100858 for review
Wojciech A. Koszek
wkoszek at FreeBSD.org
Fri Jul 7 10:56:19 UTC 2006
http://perforce.freebsd.org/chv.cgi?CH=100858
Change 100858 by wkoszek at wkoszek_laptop on 2006/07/07 10:55:20
Populate db_*.c files with stub entries and make them compile.
Affected files ...
.. //depot/projects/mips2/src/sys/mips/mips/db_disasm.c#2 edit
.. //depot/projects/mips2/src/sys/mips/mips/db_interface.c#2 edit
.. //depot/projects/mips2/src/sys/mips/mips/db_trace.c#3 edit
Differences ...
==== //depot/projects/mips2/src/sys/mips/mips/db_disasm.c#2 (text+ko) ====
@@ -1,21 +1,33 @@
+/* $NetBSD: db_disasm.c,v 1.11 2002/11/04 03:30:32 thorpej Exp $ */
+
/*-
- * Copyright (c) 2006 Fill this file and put your name here
- * All rights reserved.
+ * Copyright (c) 1991, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions, and the following disclaimer,
- * without modification, immediately at the beginning of the file.
- * 2. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
*
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
@@ -23,7 +35,488 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
+ * from: @(#)kadb.c 8.1 (Berkeley) 6/10/93
+ */
+
+
+#include <sys/types.h>
+#include <sys/systm.h>
+#include <sys/param.h>
+#include <sys/limits.h>
+
+#include <machine/reg.h>
+#include <machine/cpu.h>
+#include <machine/mips_opcode.h>
+#include <machine/param.h>
+#include <machine/db_machdep.h>
+
+#include <ddb/ddb.h>
+#include <ddb/db_output.h>
+#include <ddb/db_sym.h>
+
+static char *op_name[64] = {
+/* 0 */ "spec", "bcond","j", "jal", "beq", "bne", "blez", "bgtz",
+/* 8 */ "addi", "addiu","slti", "sltiu","andi", "ori", "xori", "lui",
+/*16 */ "cop0", "cop1", "cop2", "cop3", "beql", "bnel", "blezl","bgtzl",
+/*24 */ "daddi","daddiu","ldl", "ldr", "op34", "op35", "op36", "op37",
+/*32 */ "lb", "lh", "lwl", "lw", "lbu", "lhu", "lwr", "lwu",
+/*40 */ "sb", "sh", "swl", "sw", "sdl", "sdr", "swr", "cache",
+/*48 */ "ll", "lwc1", "lwc2", "lwc3", "lld", "ldc1", "ldc2", "ld",
+/*56 */ "sc", "swc1", "swc2", "swc3", "scd", "sdc1", "sdc2", "sd"
+};
+
+static char *spec_name[64] = {
+/* 0 */ "sll", "spec01","srl", "sra", "sllv", "spec05","srlv","srav",
+/* 8 */ "jr", "jalr", "spec12","spec13","syscall","break","spec16","sync",
+/*16 */ "mfhi", "mthi", "mflo", "mtlo", "dsllv","spec25","dsrlv","dsrav",
+/*24 */ "mult", "multu","div", "divu", "dmult","dmultu","ddiv","ddivu",
+/*32 */ "add", "addu", "sub", "subu", "and", "or", "xor", "nor",
+/*40 */ "spec50","spec51","slt","sltu", "dadd","daddu","dsub","dsubu",
+/*48 */ "tge","tgeu","tlt","tltu","teq","spec65","tne","spec67",
+/*56 */ "dsll","spec71","dsrl","dsra","dsll32","spec75","dsrl32","dsra32"
+};
+
+static char *spec2_name[4] = { /* QED RM4650, R5000, etc. */
+/* 0 */ "mad", "madu", "mul", "spec3"
+};
+
+static char *bcond_name[32] = {
+/* 0 */ "bltz", "bgez", "bltzl", "bgezl", "?", "?", "?", "?",
+/* 8 */ "tgei", "tgeiu", "tlti", "tltiu", "teqi", "?", "tnei", "?",
+/*16 */ "bltzal", "bgezal", "bltzall", "bgezall", "?", "?", "?", "?",
+/*24 */ "?", "?", "?", "?", "?", "?", "?", "?",
+};
+
+static char *cop1_name[64] = {
+/* 0 */ "fadd", "fsub", "fmpy", "fdiv", "fsqrt","fabs", "fmov", "fneg",
+/* 8 */ "fop08","fop09","fop0a","fop0b","fop0c","fop0d","fop0e","fop0f",
+/*16 */ "fop10","fop11","fop12","fop13","fop14","fop15","fop16","fop17",
+/*24 */ "fop18","fop19","fop1a","fop1b","fop1c","fop1d","fop1e","fop1f",
+/*32 */ "fcvts","fcvtd","fcvte","fop23","fcvtw","fop25","fop26","fop27",
+/*40 */ "fop28","fop29","fop2a","fop2b","fop2c","fop2d","fop2e","fop2f",
+/*48 */ "fcmp.f","fcmp.un","fcmp.eq","fcmp.ueq","fcmp.olt","fcmp.ult",
+ "fcmp.ole","fcmp.ule",
+/*56 */ "fcmp.sf","fcmp.ngle","fcmp.seq","fcmp.ngl","fcmp.lt","fcmp.nge",
+ "fcmp.le","fcmp.ngt"
+};
+
+static char *fmt_name[16] = {
+ "s", "d", "e", "fmt3",
+ "w", "fmt5", "fmt6", "fmt7",
+ "fmt8", "fmt9", "fmta", "fmtb",
+ "fmtc", "fmtd", "fmte", "fmtf"
+};
+
+#if defined(__mips_n32) || defined(__mips_n64)
+static char *reg_name[32] = {
+ "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3",
+ "a4", "a5", "a6", "a7", "t0", "t1", "t2", "t3",
+ "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
+ "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra"
+};
+#else
+static char *reg_name[32] = {
+ "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3",
+ "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7",
+ "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
+ "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra"
+};
+#endif /* __mips_n32 || __mips_n64 */
+
+static char *c0_opname[64] = {
+ "c0op00","tlbr", "tlbwi", "c0op03","c0op04","c0op05","tlbwr", "c0op07",
+ "tlbp", "c0op11","c0op12","c0op13","c0op14","c0op15","c0op16","c0op17",
+ "rfe", "c0op21","c0op22","c0op23","c0op24","c0op25","c0op26","c0op27",
+ "eret", "c0op31","c0op32","c0op33","c0op34","c0op35","c0op36","c0op37",
+ "c0op40","c0op41","c0op42","c0op43","c0op44","c0op45","c0op46","c0op47",
+ "c0op50","c0op51","c0op52","c0op53","c0op54","c0op55","c0op56","c0op57",
+ "c0op60","c0op61","c0op62","c0op63","c0op64","c0op65","c0op66","c0op67",
+ "c0op70","c0op71","c0op72","c0op73","c0op74","c0op75","c0op77","c0op77",
+};
+
+static char *c0_reg[32] = {
+ "index", "random", "tlblo0", "tlblo1",
+ "context", "pagemask", "wired", "cp0r7",
+ "badvaddr", "count", "tlbhi", "compare",
+ "status", "cause", "epc", "prid",
+ "config", "lladdr", "watchlo", "watchhi",
+ "xcontext", "cp0r21", "cp0r22", "debug",
+ "depc", "perfcnt", "ecc", "cacheerr",
+ "taglo", "taghi", "errepc", "desave"
+};
+
+static void print_addr(db_addr_t);
+
+/*
+ * Disassemble instruction at 'loc'. 'altfmt' specifies an
+ * (optional) alternate format (altfmt for vax: don't assume
+ * that each external label is a procedure entry mask).
+ * Return address of start of next instruction.
+ * Since this function is used by 'examine' and by 'step'
+ * "next instruction" does NOT mean the next instruction to
+ * be executed but the 'linear' next instruction.
*/
+db_addr_t
+db_disasm(db_addr_t loc, boolean_t altfmt)
+{
+ u_int32_t instr;
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
+ /*
+ * Take some care with addresses to not UTLB here as it
+ * loses the current debugging context. KSEG2 not checked.
+ */
+ if (loc < MIPS_KSEG0_START) {
+ instr = fuword((void *)loc);
+ if (instr == 0xffffffff) {
+ /* "sd ra, -1(ra)" is unlikely */
+ db_printf("invalid address.\n");
+ return loc;
+ }
+ }
+ else {
+ instr = *(u_int32_t *)loc;
+ }
+
+ return (db_disasm_insn(instr, loc, altfmt));
+}
+
+
+/*
+ * Disassemble instruction 'insn' nominally at 'loc'.
+ * 'loc' may in fact contain a breakpoint instruction.
+ */
+db_addr_t
+db_disasm_insn(int insn, db_addr_t loc, boolean_t altfmt)
+{
+ boolean_t bdslot = FALSE;
+ InstFmt i;
+
+ i.word = insn;
+
+ switch (i.JType.op) {
+ case OP_SPECIAL:
+ if (i.word == 0) {
+ db_printf("nop");
+ break;
+ }
+ /* XXX
+ * "addu" is a "move" only in 32-bit mode. What's the correct
+ * answer - never decode addu/daddu as "move"?
+ */
+ if (i.RType.func == OP_ADDU && i.RType.rt == 0) {
+ db_printf("move\t%s,%s",
+ reg_name[i.RType.rd],
+ reg_name[i.RType.rs]);
+ break;
+ }
+ db_printf("%s", spec_name[i.RType.func]);
+ switch (i.RType.func) {
+ case OP_SLL:
+ case OP_SRL:
+ case OP_SRA:
+ case OP_DSLL:
+
+ case OP_DSRL:
+ case OP_DSRA:
+ case OP_DSLL32:
+ case OP_DSRL32:
+ case OP_DSRA32:
+ db_printf("\t%s,%s,%d",
+ reg_name[i.RType.rd],
+ reg_name[i.RType.rt],
+ i.RType.shamt);
+ break;
+
+ case OP_SLLV:
+ case OP_SRLV:
+ case OP_SRAV:
+ case OP_DSLLV:
+ case OP_DSRLV:
+ case OP_DSRAV:
+ db_printf("\t%s,%s,%s",
+ reg_name[i.RType.rd],
+ reg_name[i.RType.rt],
+ reg_name[i.RType.rs]);
+ break;
+
+ case OP_MFHI:
+ case OP_MFLO:
+ db_printf("\t%s", reg_name[i.RType.rd]);
+ break;
+
+ case OP_JR:
+ case OP_JALR:
+ db_printf("\t%s", reg_name[i.RType.rs]);
+ bdslot = TRUE;
+ break;
+ case OP_MTLO:
+ case OP_MTHI:
+ db_printf("\t%s", reg_name[i.RType.rs]);
+ break;
+
+ case OP_MULT:
+ case OP_MULTU:
+ case OP_DMULT:
+ case OP_DMULTU:
+ case OP_DIV:
+ case OP_DIVU:
+ case OP_DDIV:
+ case OP_DDIVU:
+ db_printf("\t%s,%s",
+ reg_name[i.RType.rs],
+ reg_name[i.RType.rt]);
+ break;
+
+
+ case OP_SYSCALL:
+ case OP_SYNC:
+ break;
+
+ case OP_BREAK:
+ db_printf("\t%d", (i.RType.rs << 5) | i.RType.rt);
+ break;
+
+ default:
+ db_printf("\t%s,%s,%s",
+ reg_name[i.RType.rd],
+ reg_name[i.RType.rs],
+ reg_name[i.RType.rt]);
+ }
+ break;
+
+ case OP_SPECIAL2:
+ if (i.RType.func == OP_MUL)
+ db_printf("%s\t%s,%s,%s",
+ spec2_name[i.RType.func & 0x3],
+ reg_name[i.RType.rd],
+ reg_name[i.RType.rs],
+ reg_name[i.RType.rt]);
+ else
+ db_printf("%s\t%s,%s",
+ spec2_name[i.RType.func & 0x3],
+ reg_name[i.RType.rs],
+ reg_name[i.RType.rt]);
+
+ break;
+
+ case OP_BCOND:
+ db_printf("%s\t%s,", bcond_name[i.IType.rt],
+ reg_name[i.IType.rs]);
+ goto pr_displ;
+
+ case OP_BLEZ:
+ case OP_BLEZL:
+ case OP_BGTZ:
+ case OP_BGTZL:
+ db_printf("%s\t%s,", op_name[i.IType.op],
+ reg_name[i.IType.rs]);
+ goto pr_displ;
+
+ case OP_BEQ:
+ case OP_BEQL:
+ if (i.IType.rs == 0 && i.IType.rt == 0) {
+ db_printf("b\t");
+ goto pr_displ;
+ }
+ /* FALLTHROUGH */
+ case OP_BNE:
+ case OP_BNEL:
+ db_printf("%s\t%s,%s,", op_name[i.IType.op],
+ reg_name[i.IType.rs],
+ reg_name[i.IType.rt]);
+ pr_displ:
+ print_addr(loc + 4 + ((short)i.IType.imm << 2));
+ bdslot = TRUE;
+ break;
+
+ case OP_COP0:
+ switch (i.RType.rs) {
+ case OP_BCx:
+ case OP_BCy:
+
+ db_printf("bc0%c\t",
+ "ft"[i.RType.rt & COPz_BC_TF_MASK]);
+ goto pr_displ;
+
+ case OP_MT:
+ db_printf("mtc0\t%s,%s",
+ reg_name[i.RType.rt],
+ c0_reg[i.RType.rd]);
+ break;
+
+ case OP_DMT:
+ db_printf("dmtc0\t%s,%s",
+ reg_name[i.RType.rt],
+ c0_reg[i.RType.rd]);
+ break;
+
+ case OP_MF:
+ db_printf("mfc0\t%s,%s",
+ reg_name[i.RType.rt],
+ c0_reg[i.RType.rd]);
+ break;
+
+ case OP_DMF:
+ db_printf("dmfc0\t%s,%s",
+ reg_name[i.RType.rt],
+ c0_reg[i.RType.rd]);
+ break;
+
+ default:
+ db_printf("%s", c0_opname[i.FRType.func]);
+ }
+ break;
+
+ case OP_COP1:
+ switch (i.RType.rs) {
+ case OP_BCx:
+ case OP_BCy:
+ db_printf("bc1%c\t",
+ "ft"[i.RType.rt & COPz_BC_TF_MASK]);
+ goto pr_displ;
+
+ case OP_MT:
+ db_printf("mtc1\t%s,f%d",
+ reg_name[i.RType.rt],
+ i.RType.rd);
+ break;
+
+ case OP_MF:
+ db_printf("mfc1\t%s,f%d",
+ reg_name[i.RType.rt],
+ i.RType.rd);
+ break;
+
+ case OP_CT:
+ db_printf("ctc1\t%s,f%d",
+ reg_name[i.RType.rt],
+ i.RType.rd);
+ break;
+
+ case OP_CF:
+ db_printf("cfc1\t%s,f%d",
+ reg_name[i.RType.rt],
+ i.RType.rd);
+ break;
+
+ default:
+ db_printf("%s.%s\tf%d,f%d,f%d",
+ cop1_name[i.FRType.func],
+ fmt_name[i.FRType.fmt],
+ i.FRType.fd, i.FRType.fs, i.FRType.ft);
+ }
+ break;
+
+ case OP_J:
+ case OP_JAL:
+ db_printf("%s\t", op_name[i.JType.op]);
+ print_addr((loc & 0xF0000000) | (i.JType.target << 2));
+ bdslot = TRUE;
+ break;
+
+ case OP_LWC1:
+ case OP_SWC1:
+ db_printf("%s\tf%d,", op_name[i.IType.op],
+ i.IType.rt);
+ goto loadstore;
+
+ case OP_LB:
+ case OP_LH:
+ case OP_LW:
+ case OP_LD:
+ case OP_LBU:
+ case OP_LHU:
+ case OP_LWU:
+ case OP_SB:
+ case OP_SH:
+ case OP_SW:
+ case OP_SD:
+ db_printf("%s\t%s,", op_name[i.IType.op],
+ reg_name[i.IType.rt]);
+ loadstore:
+ db_printf("%d(%s)", (short)i.IType.imm,
+ reg_name[i.IType.rs]);
+ break;
+
+ case OP_ORI:
+ case OP_XORI:
+ if (i.IType.rs == 0) {
+ db_printf("li\t%s,0x%x",
+ reg_name[i.IType.rt],
+ i.IType.imm);
+ break;
+ }
+ /* FALLTHROUGH */
+ case OP_ANDI:
+ db_printf("%s\t%s,%s,0x%x", op_name[i.IType.op],
+ reg_name[i.IType.rt],
+ reg_name[i.IType.rs],
+ i.IType.imm);
+ break;
+
+ case OP_LUI:
+ db_printf("%s\t%s,0x%x", op_name[i.IType.op],
+ reg_name[i.IType.rt],
+ i.IType.imm);
+ break;
+
+ case OP_CACHE:
+ db_printf("%s\t0x%x,0x%x(%s)",
+ op_name[i.IType.op],
+ i.IType.rt,
+ i.IType.imm,
+ reg_name[i.IType.rs]);
+ break;
+
+ case OP_ADDI:
+ case OP_DADDI:
+ case OP_ADDIU:
+ case OP_DADDIU:
+ if (i.IType.rs == 0) {
+ db_printf("li\t%s,%d",
+ reg_name[i.IType.rt],
+ (short)i.IType.imm);
+ break;
+ }
+ /* FALLTHROUGH */
+ default:
+ db_printf("%s\t%s,%s,%d", op_name[i.IType.op],
+ reg_name[i.IType.rt],
+ reg_name[i.IType.rs],
+ (short)i.IType.imm);
+ }
+ db_printf("\n");
+ if (bdslot) {
+ db_printf("\t\tbdslot:\t");
+ db_disasm(loc+4, FALSE);
+ return (loc + 8);
+ }
+ return (loc + 4);
+}
+
+static void
+print_addr(db_addr_t loc)
+{
+ db_expr_t diff;
+ c_db_sym_t sym;
+ const char *symname;
+
+ diff = INT_MAX;
+ symname = NULL;
+ sym = db_search_symbol(loc, DB_STGY_ANY, &diff);
+ db_symbol_values(sym, &symname, 0);
+
+ /*
+ * XXXMIPS: Check if the format is right here.
+ * Probably not.
+ */
+ if (symname) {
+ if (diff == 0)
+ db_printf("%s", symname);
+ else
+ db_printf("<%s+%lx>", symname, (unsigned long) diff);
+ db_printf("\t[addr:0x%lx]", (unsigned long) loc);
+ } else {
+ db_printf("0x%lx", (unsigned long) loc);
+ }
+}
==== //depot/projects/mips2/src/sys/mips/mips/db_interface.c#2 (text+ko) ====
@@ -1,21 +1,21 @@
/*-
- * Copyright (c) 2006 Fill this file and put your name here
+ * Copyright (c) [year] [your name]
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions, and the following disclaimer,
- * without modification, immediately at the beginning of the file.
- * 2. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
@@ -23,7 +23,51 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
+ * $Id$
*/
+#include "opt_ddb.h"
+
+#include <sys/types.h>
+#include <sys/systm.h>
+#include <sys/param.h>
+#include <sys/proc.h>
+#include <sys/user.h>
+#include <sys/linker_set.h>
+#include <sys/reboot.h>
+#include <sys/cons.h>
+
+#include <machine/cache.h>
+#include <machine/pte.h>
+#include <machine/cpu.h>
+#include <machine/cpufunc.h>
+#include <machine/locore.h>
+#include <machine/mips_opcode.h>
+
+#include <vm/vm.h>
+#include <vm/pmap.h>
+
+#include <machine/db_machdep.h>
+#include <ddb/ddb.h>
+#include <ddb/db_access.h>
+#include <ddb/db_command.h>
+#include <ddb/db_output.h>
+#include <ddb/db_sym.h>
+
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
+void
+db_show_mdpcpu(struct pcpu *pc)
+{
+}
+
+int
+db_write_bytes(vm_offset_t addr, size_t size, char *data)
+{
+ return (0);
+}
+
+int
+db_read_bytes(vm_offset_t addr, size_t size, char *data)
+{
+ return (0);
+}
+
==== //depot/projects/mips2/src/sys/mips/mips/db_trace.c#3 (text+ko) ====
@@ -1,71 +1,201 @@
-/*-
- * Copyright (c) 2006 Fill this file and put your name here
- * All rights reserved.
+/* $NetBSD: db_trace.c,v 1.23 2003/01/17 23:36:11 thorpej Exp $ */
+
+/*
+ * Mach Operating System
+ * Copyright (c) 1993-1987 Carnegie Mellon University
+ * All Rights Reserved.
+ *
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ *
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions, and the following disclaimer,
- * without modification, immediately at the beginning of the file.
- * 2. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
+ * Carnegie Mellon requests users of this software to return to
*
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
+ * Software Distribution Coordinator or Software.Distribution at CS.CMU.EDU
+ * School of Computer Science
+ * Carnegie Mellon University
+ * Pittsburgh PA 15213-3890
*
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
*/
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
+#include <sys/types.h>
#include <sys/param.h>
+#include <sys/systm.h>
#include <sys/proc.h>
-#include <sys/kdb.h>
-#include <sys/stack.h>
-#include <machine/asm.h>
-#include <machine/cpufunc.h>
+#include <sys/user.h>
+
+#include <machine/mips_opcode.h>
+
+#include <machine/param.h>
#include <machine/db_machdep.h>
-#include <machine/pcb.h>
-#include <machine/vmparam.h>
#include <ddb/ddb.h>
-#include <ddb/db_access.h>
+#include <ddb/db_output.h>
+#include <ddb/db_variables.h>
#include <ddb/db_sym.h>
-#include <ddb/db_output.h>
+
+void db_stack_trace_cmd(db_expr_t addr, boolean_t have_addr, db_expr_t
+ count, char *modif);
+void db_print_backtrace(void);
+
+struct db_variable db_regs[] = {
+ { "at", (db_expr_t *)&ddb_regs.f_regs[AST], FCN_NULL },
+ { "v0", (db_expr_t *)&ddb_regs.f_regs[V0], FCN_NULL },
+ { "v1", (db_expr_t *)&ddb_regs.f_regs[V1], FCN_NULL },
+ { "a0", (db_expr_t *)&ddb_regs.f_regs[A0], FCN_NULL },
+ { "a1", (db_expr_t *)&ddb_regs.f_regs[A1], FCN_NULL },
+ { "a2", (db_expr_t *)&ddb_regs.f_regs[A2], FCN_NULL },
+ { "a3", (db_expr_t *)&ddb_regs.f_regs[A3], FCN_NULL },
+ { "a4", (db_expr_t *)&ddb_regs.f_regs[A4], FCN_NULL },
+ { "a5", (db_expr_t *)&ddb_regs.f_regs[A5], FCN_NULL },
+ { "a6", (db_expr_t *)&ddb_regs.f_regs[A6], FCN_NULL },
+ { "a7", (db_expr_t *)&ddb_regs.f_regs[A7], FCN_NULL },
+ { "t0", (db_expr_t *)&ddb_regs.f_regs[T0], FCN_NULL },
+ { "t1", (db_expr_t *)&ddb_regs.f_regs[T1], FCN_NULL },
+ { "t2", (db_expr_t *)&ddb_regs.f_regs[T2], FCN_NULL },
+ { "t3", (db_expr_t *)&ddb_regs.f_regs[T3], FCN_NULL },
+ { "s0", (db_expr_t *)&ddb_regs.f_regs[S0], FCN_NULL },
+ { "s1", (db_expr_t *)&ddb_regs.f_regs[S1], FCN_NULL },
+ { "s2", (db_expr_t *)&ddb_regs.f_regs[S2], FCN_NULL },
+ { "s3", (db_expr_t *)&ddb_regs.f_regs[S3], FCN_NULL },
+ { "s4", (db_expr_t *)&ddb_regs.f_regs[S4], FCN_NULL },
+ { "s5", (db_expr_t *)&ddb_regs.f_regs[S5], FCN_NULL },
+ { "s6", (db_expr_t *)&ddb_regs.f_regs[S6], FCN_NULL },
+ { "s7", (db_expr_t *)&ddb_regs.f_regs[S7], FCN_NULL },
+ { "t8", (db_expr_t *)&ddb_regs.f_regs[T8], FCN_NULL },
+ { "t9", (db_expr_t *)&ddb_regs.f_regs[T9], FCN_NULL },
+ { "k0", (db_expr_t *)&ddb_regs.f_regs[K0], FCN_NULL },
+ { "k1", (db_expr_t *)&ddb_regs.f_regs[K1], FCN_NULL },
+ { "gp", (db_expr_t *)&ddb_regs.f_regs[GP], FCN_NULL },
+ { "sp", (db_expr_t *)&ddb_regs.f_regs[SP], FCN_NULL },
+ { "fp", (db_expr_t *)&ddb_regs.f_regs[S8], FCN_NULL }, /* frame ptr */
+ { "ra", (db_expr_t *)&ddb_regs.f_regs[RA], FCN_NULL },
+ { "sr", (db_expr_t *)&ddb_regs.f_regs[SR], FCN_NULL },
+ { "mdlo",(db_expr_t *)&ddb_regs.f_regs[MULLO], FCN_NULL },
+ { "mdhi",(db_expr_t *)&ddb_regs.f_regs[MULHI], FCN_NULL },
+ { "bad", (db_expr_t *)&ddb_regs.f_regs[BADVADDR], FCN_NULL },
+ { "cs", (db_expr_t *)&ddb_regs.f_regs[CAUSE], FCN_NULL },
+ { "pc", (db_expr_t *)&ddb_regs.f_regs[PC], FCN_NULL },
+};
+struct db_variable *db_eregs = db_regs + sizeof(db_regs)/sizeof(db_regs[0]);
+
+extern char btext[];
-#if 0
-static void
-db_stack_trace_cmd(db_expr_t addr, db_expr_t count)
+static u_register_t
+db_stack_register_fetch(u_register_t sp, u_register_t stacksize, u_register_t r)
{
+ if (sp == ddb_regs.f_regs[SP]) {
+ return (ddb_regs.f_regs[r]);
+ } else {
+ db_printf("\n*** don't know how to read registers from stack ***\n");
+ return (0);
+ }
}
-#endif
+
+void
+db_stack_trace_cmd(db_expr_t addr, boolean_t have_addr, db_expr_t count,
+ char *modif)
+{
+ u_register_t sp, ra, pc, i, stacksize, func;
+ InstFmt insn;
+
+ sp = ddb_regs.f_regs[SP];
+ ra = ddb_regs.f_regs[RA];
+ pc = ddb_regs.f_regs[PC];
+
+ for (;;) {
+ func = 0;
+ stacksize = 0;
+ if (pc <= (u_register_t)btext)
+ break;
+ db_printf("%p", (void *)pc);
+ for (i = pc; i >= (u_register_t)btext; i -= sizeof (insn)) {
+ bcopy((void *)i, &insn, sizeof insn);
+ switch (insn.IType.op) {
+ case OP_ADDI:
+ case OP_ADDIU:
+ case OP_DADDI:
+ case OP_DADDIU:
+ if (insn.IType.rs != SP || insn.IType.rt != SP)
+ break;
+ stacksize = -(short)insn.IType.imm;
+ break;
+ default:
+ break;
+ }
+ if (stacksize) {
+ func = i;
+ break;
+ }
+ }
+
+ db_printf(" in %p\n", (void *)func);
+
+ sp += stacksize;
+
+ for (i = pc; !ra; i += sizeof (insn)) {
+ bcopy((void *)i, &insn, sizeof insn);
+ switch (insn.IType.op) {
+ case OP_JR:
+ case OP_JALR:
+ if (ra >= (u_register_t)btext)
+ break;
+ ra = db_stack_register_fetch(sp, stacksize, insn.RType.rs);
+ if (!ra)
+ goto done;
+ break;
+ default:
+ break;
+ }
+ if (insn.word == 0x42000018) { /* eret. */
+ db_printf("--- exception handler ---\n");
+ goto done;
+ }
+ }
+ if (pc == ra && stacksize == 0) {
+ db_printf("--- loop? ----\n");
+ break;
+ }
+ pc = ra;
+ ra = 0;
+ }
+done: return;
+}
void
-db_md_list_watchpoints()
+db_print_backtrace(void)
{
+ u_long *sp;
+
+ sp = __builtin_frame_address(1);
+ db_stack_trace_cmd((db_expr_t)sp, TRUE, -1, "a");
}
int
-db_md_clr_watchpoint(db_expr_t addr, db_expr_t size)
+db_md_set_watchpoint(db_expr_t dummy1, db_expr_t dummy2)
{
return (0);
}
int
-db_md_set_watchpoint(db_expr_t addr, db_expr_t size)
+db_md_clr_watchpoint(db_expr_t dummy1, db_expr_t dummy2)
{
return (0);
}
+void
+db_md_list_watchpoints(void)
+{
+
+}
+
int
db_trace_thread(struct thread *thr, int count)
{
@@ -75,10 +205,5 @@
void
db_trace_self(void)
{
- db_trace_thread(curthread, -1);
-}
-void
-stack_save(struct stack *st)
-{
}
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