make DDB_COMMANDONENTER sysctl. (ddb.commandonenter)
suggested by Christos Zoulas.
This commit is contained in:
yamt
parent
a53e9b6a94
commit
3afdabd868
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@ -1,4 +1,4 @@
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/* $NetBSD: db_command.c,v 1.80 2005/11/26 12:16:44 yamt Exp $ */
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/* $NetBSD: db_command.c,v 1.81 2005/11/27 13:05:28 yamt Exp $ */
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/*
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* Mach Operating System
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@ -31,7 +31,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: db_command.c,v 1.80 2005/11/26 12:16:44 yamt Exp $");
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__KERNEL_RCSID(0, "$NetBSD: db_command.c,v 1.81 2005/11/27 13:05:28 yamt Exp $");
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#include "opt_ddb.h"
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#include "opt_kgdb.h"
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@ -203,7 +203,9 @@ static const struct db_command db_command_table[] = {
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static const struct db_command *db_last_command = NULL;
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#if defined(DDB_COMMANDONENTER)
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const char *db_cmd_on_enter = ___STRING(DDB_COMMANDONENTER);
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char db_cmd_on_enter[DB_LINE_MAXLEN + 1] = ___STRING(DDB_COMMANDONENTER);
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#else /* defined(DDB_COMMANDONENTER) */
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char db_cmd_on_enter[DB_LINE_MAXLEN + 1] = "";
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#endif /* defined(DDB_COMMANDONENTER) */
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#define DB_LINE_SEP ';'
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@ -231,6 +233,27 @@ db_error(s)
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longjmp(db_recover);
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}
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static void
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db_execute_commandlist(const char *cmdlist)
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{
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const char *cmd = cmdlist;
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const struct db_command *dummy = NULL;
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while (*cmd != '\0') {
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const char *ep = cmd;
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while (*ep != '\0' && *ep != DB_LINE_SEP) {
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ep++;
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}
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db_set_line(cmd, ep);
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db_command(&dummy, db_command_table);
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cmd = ep;
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if (*cmd == DB_LINE_SEP) {
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cmd++;
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}
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}
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}
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void
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db_command_loop(void)
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{
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@ -249,26 +272,7 @@ db_command_loop(void)
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db_recover = &db_jmpbuf;
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(void) setjmp(&db_jmpbuf);
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#if defined(DDB_COMMANDONENTER)
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if (db_cmd_on_enter != NULL) {
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const struct db_command *dummy = NULL;
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const char *cmd = db_cmd_on_enter;
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while (*cmd != '\0') {
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const char *ep = cmd;
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while (*ep != '\0' && *ep != DB_LINE_SEP) {
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ep++;
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}
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db_set_line(cmd, ep);
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db_command(&dummy, db_command_table);
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cmd = ep;
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if (*cmd == DB_LINE_SEP) {
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cmd++;
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}
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}
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}
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#endif /* defined(DDB_COMMANDONENTER) */
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db_execute_commandlist(db_cmd_on_enter);
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while (!db_cmd_loop_done) {
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if (db_print_position() != 0)
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@ -1,4 +1,4 @@
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/* $NetBSD: db_command.h,v 1.24 2005/06/01 12:25:27 drochner Exp $ */
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/* $NetBSD: db_command.h,v 1.25 2005/11/27 13:05:28 yamt Exp $ */
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/*
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* Mach Operating System
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@ -45,6 +45,8 @@ extern db_addr_t db_prev; /* last address examined
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extern db_addr_t db_next; /* next address to be examined
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or written */
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extern char db_cmd_on_enter[];
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/*
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* Command table
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*/
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@ -1,4 +1,4 @@
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/* $NetBSD: db_lex.c,v 1.19 2005/11/26 12:16:45 yamt Exp $ */
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/* $NetBSD: db_lex.c,v 1.20 2005/11/27 13:05:28 yamt Exp $ */
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/*
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* Mach Operating System
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@ -34,7 +34,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: db_lex.c,v 1.19 2005/11/26 12:16:45 yamt Exp $");
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__KERNEL_RCSID(0, "$NetBSD: db_lex.c,v 1.20 2005/11/27 13:05:28 yamt Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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@ -51,7 +51,7 @@ __KERNEL_RCSID(0, "$NetBSD: db_lex.c,v 1.19 2005/11/26 12:16:45 yamt Exp $");
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db_expr_t db_tok_number;
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char db_tok_string[TOK_STRING_SIZE];
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static char db_line[120];
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static char db_line[DB_LINE_MAXLEN];
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static const char *db_lp;
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static const char *db_endlp;
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@ -1,4 +1,4 @@
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/* $NetBSD: db_lex.h,v 1.14 2005/11/26 12:16:45 yamt Exp $ */
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/* $NetBSD: db_lex.h,v 1.15 2005/11/27 13:05:28 yamt Exp $ */
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/*
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* Mach Operating System
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@ -39,8 +39,10 @@ void db_set_line(const char *, const char *);
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int db_read_token(void);
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void db_unread_token(int);
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#define DB_LINE_MAXLEN 120
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extern db_expr_t db_tok_number;
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#define TOK_STRING_SIZE 120
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#define TOK_STRING_SIZE DB_LINE_MAXLEN
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extern char db_tok_string[];
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#define tEOF (-1)
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@ -1,4 +1,4 @@
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/* $NetBSD: db_variables.c,v 1.33 2005/06/01 12:25:27 drochner Exp $ */
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/* $NetBSD: db_variables.c,v 1.34 2005/11/27 13:05:28 yamt Exp $ */
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/*
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* Mach Operating System
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@ -27,7 +27,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: db_variables.c,v 1.33 2005/06/01 12:25:27 drochner Exp $");
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__KERNEL_RCSID(0, "$NetBSD: db_variables.c,v 1.34 2005/11/27 13:05:28 yamt Exp $");
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#include "opt_ddbparam.h"
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@ -166,6 +166,13 @@ SYSCTL_SETUP(sysctl_ddb_setup, "sysctl ddb subtree setup")
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SYSCTL_DESCR("Whether to tee ddb output to the msgbuf"),
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NULL, 0, &db_tee_msgbuf, 0,
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CTL_DDB, CTL_CREATE, CTL_EOL);
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sysctl_createv(clog, 0, NULL, NULL,
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CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
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CTLTYPE_STRING, "commandonenter",
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SYSCTL_DESCR("Command to be executed on each ddb enter"),
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NULL, 0, &db_cmd_on_enter, DB_LINE_MAXLEN,
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CTL_DDB, CTL_CREATE, CTL_EOL);
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}
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int
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