[openocd-svn] Main OpenOCD repository branch, master, updated. v0.4.0-rc1-26-g3ed254c

[David B. <dbr...@us...>]

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- Log -----------------------------------------------------------------
commit 3ed254c18aa7fc24cbc692433729ec3819fc5537
Author: Antonio Borneo <bor...@gm...>
Date:   Thu Dec 31 07:13:16 2009 +0800

    ARM7_9: Fix segfaults
    
    Handlers for commands
     - arm7_9 semihosting <enable | disable>
     - $_TARGETNAME arp_reset assert 1
    didn't check if target has already been examined, and could
    segfault when using the NULL pointer "arm7_9->eice_cache".
    
    Signed-off-by: Antonio Borneo <bor...@gm...>
    Signed-off-by: David Brownell <dbr...@us...>

diff --git a/src/target/arm7_9_common.c b/src/target/arm7_9_common.c
index e596980..a09b0ad 100644
--- a/src/target/arm7_9_common.c
+++ b/src/target/arm7_9_common.c
@@ -2797,6 +2797,12 @@ COMMAND_HANDLER(handle_arm7_9_semihosting_command)
 
 		COMMAND_PARSE_ENABLE(CMD_ARGV[0], semihosting);
 
+		if (!target_was_examined(target))
+		{
+			LOG_ERROR("Target not examined yet");
+			return ERROR_FAIL;
+		}
+
 		if (arm7_9->has_vector_catch) {
 			struct reg *vector_catch = &arm7_9->eice_cache
 					->reg_list[EICE_VEC_CATCH];
diff --git a/src/target/target.c b/src/target/target.c
index 8cb53b3..d3d1bee 100644
--- a/src/target/target.c
+++ b/src/target/target.c
@@ -4079,6 +4079,11 @@ static int jim_target_reset(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
 	struct target *target = Jim_CmdPrivData(goi.interp);
 	if (!target->tap->enabled)
 		return jim_target_tap_disabled(interp);
+	if (!(target_was_examined(target)))
+	{
+		LOG_ERROR("Target not examined yet");
+		return ERROR_TARGET_NOT_EXAMINED;
+	}
 	if (!target->type->assert_reset || !target->type->deassert_reset)
 	{
 		Jim_SetResult_sprintf(interp,

-----------------------------------------------------------------------

Summary of changes:
 src/target/arm7_9_common.c |    6 ++++++
 src/target/target.c        |    5 +++++
 2 files changed, 11 insertions(+), 0 deletions(-)


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