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Viewing changes to kernel/debug/kdb/kdb_debugger.c

  • Committer: Package Import Robot
  • Author(s): Paolo Pisati, Paolo Pisati
  • Date: 2011-12-06 15:56:07 UTC
  • Revision ID: package-import@ubuntu.com-20111206155607-pcf44kv5fmhk564f
Tags: 3.2.0-1401.1
[ Paolo Pisati ]

* Rebased on top of Ubuntu-3.2.0-3.8
* Tilt-tracking @ ef2487af4bb15bdd0689631774b5a5e3a59f74e2
* Delete debian.ti-omap4/control, it shoudln't be tracked
* Fix architecture spelling (s/armel/armhf/)
* [Config] Update configs following 3.2 import
* [Config] Fix compilation: disable CODA and ARCH_OMAP3
* [Config] Fix compilation: disable Ethernet Faraday
* Update series to precise

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Lines of Context:
kernel/debug/kdb/kdb_debugger.c
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#include <linux/kgdb.h>
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#include <linux/kdb.h>
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#include <linux/kdebug.h>
 
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#include <linux/export.h>
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#include "kdb_private.h"
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#include "../debug_core.h"
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int kdb_poll_idx = 1;
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EXPORT_SYMBOL_GPL(kdb_poll_idx);
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static struct kgdb_state *kdb_ks;
 
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int kdb_stub(struct kgdb_state *ks)
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{
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        int error = 0;
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        kdb_dbtrap_t db_result = KDB_DB_NOBPT;
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        int i;
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        kdb_ks = ks;
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        if (KDB_STATE(REENTRY)) {
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                reason = KDB_REASON_SWITCH;
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                KDB_STATE_CLEAR(REENTRY);
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        KDB_STATE_CLEAR(PAGER);
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        kdbnearsym_cleanup();
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        if (error == KDB_CMD_KGDB) {
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                if (KDB_STATE(DOING_KGDB) || KDB_STATE(DOING_KGDB2)) {
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        /*
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         * This inteface glue which allows kdb to transition in into
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         * the gdb stub.  In order to do this the '?' or '' gdb serial
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         * packet response is processed here.  And then control is
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         * passed to the gdbstub.
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         */
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                        if (KDB_STATE(DOING_KGDB))
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                                gdbstub_state(ks, "?");
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                        else
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                                gdbstub_state(ks, "");
 
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                if (KDB_STATE(DOING_KGDB))
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                        KDB_STATE_CLEAR(DOING_KGDB);
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                        KDB_STATE_CLEAR(DOING_KGDB2);
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                }
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                return DBG_PASS_EVENT;
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        }
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        kdb_bp_install(ks->linux_regs);
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        return kgdb_info[ks->cpu].ret_state;
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}
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void kdb_gdb_state_pass(char *buf)
 
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{
 
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        gdbstub_state(kdb_ks, buf);
 
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}