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Message-ID: <40EC3344.8050001@gnu.org>
Date: Wed, 07 Jul 2004 17:31:00 -0000
From: Andrew Cagney <cagney@gnu.org>
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To: Andrew Cagney <cagney@gnu.org>
Cc: Michael Elizabeth Chastain <mec.gnu@mindspring.com>, drow@false.org,
        ac131313@redhat.com, gdb-patches@sources.redhat.com
Subject: Re: [rfa] New test sigbpt.{c,exp}
References: <20040706185952.3360F4B104@berman.michael-chastain.com> <40EAFD7B.9020506@gnu.org>
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>> mec> How about:
>> mec> mec>   (1) before running the program, 'disassemble bowler'
>> mec>   (2) at the breakpoint, 'x/i $pc'
>> mec>   check that the output of (2) matches one of the lines in (1)
> 
> 
> FYI, that's effectively what I did.  It checks the $pc address against a table of valid instruction addresses.  It doesn't match it fails, via gdb_test_multiple internals.  All thats missing is a pattern to match any other pc address in bowler.

I've added the attached.

Andrew

> Trying to single-step after corrupting the $pc would be meaningless.
> 
> Andrew 


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2004-07-07  Andrew Cagney  <cagney@gnu.org>

	* gdb.base/sigbpt.exp (stepi_out): Check for a single step
	corrupting the PC.

Index: gdb.base/sigbpt.exp
===================================================================
RCS file: /cvs/src/src/gdb/testsuite/gdb.base/sigbpt.exp,v
retrieving revision 1.1
diff -p -u -r1.1 sigbpt.exp
--- gdb.base/sigbpt.exp	6 Jul 2004 15:08:54 -0000	1.1
+++ gdb.base/sigbpt.exp	7 Jul 2004 17:28:50 -0000
@@ -184,6 +184,9 @@ proc stepi_out { name args } {
 	-re "pc *[after_segv] .*bowler.*$gdb_prompt $" {
 	    kfail gdb/1702 "$test (skipped fault insn)"
 	}
+	-re "pc *0x\[a-z0-9\]* .*bowler.*$gdb_prompt $" {
+	    kfail gdb/1702 "$test (corrupt pc)"
+	}
     }
 
     # Clear any breakpoints

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