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Subject: [binutils-gdb/gdb-7.12-branch] x32: Fix gdb.trace/mi-trace-frame-collected.exp
From: sergiodj+buildbot@sergiodj.net
To: gdb-testers@sourceware.org
Message-Id: <644e90fe669bbfe1d15d1018b4fc136af3aab424@gdb-build>
Date: Wed, 24 Aug 2016 08:29:00 -0000
X-SW-Source: 2016-q3/txt/msg03101.txt.bz2

*** TEST RESULTS FOR COMMIT 644e90fe669bbfe1d15d1018b4fc136af3aab424 ***

Author: Pedro Alves <palves@redhat.com>
Branch: gdb-7.12-branch
Commit: 644e90fe669bbfe1d15d1018b4fc136af3aab424

x32: Fix gdb.trace/mi-trace-frame-collected.exp

gdb.trace/mi-trace-frame-collected.exp has a couple failures on x32:

 FAIL: gdb.trace/mi-trace-frame-collected.exp: live: -trace-frame-collected (register)
 FAIL: gdb.trace/mi-trace-frame-collected.exp: tfile: -trace-frame-collected (register)

gdb.log:

 -trace-frame-collected
 ^done,explicit-variables=[{name="gdb_char_test",value="0 '\\000'"}],computed-expressions=[],registers=[{number="16",value="0x4004dc"},{number="204",value="0x4004dc"}],tvars
 =[],memory=[{address="0x00601060",length="1"}]
 (gdb)
 FAIL: gdb.trace/mi-trace-frame-collected.exp: live: -trace-frame-collected (register)
[...]
 -trace-frame-collected
 ^done,explicit-variables=[{name="gdb_char_test",value="0 '\\000'"}],computed-expressions=[],registers=[{number="16",value="0x4004dc"},{number="204",value="0x4004dc"}],tvars
 =[],memory=[{address="0x00601060",length="1"}]
 (gdb)
 FAIL: gdb.trace/mi-trace-frame-collected.exp: tfile: -trace-frame-collected (register)

This test only collects the PC, and thus expects to only see one
register in the output of -trace-frame-collected.  However, while on
the 64-bit ABI gdb only exposes 64-bit $pc/$rip (register 16 above),
on x32, GDB exposes 32-bit $eip as well, as a pseudo-register
(register 204 above).  Thus, collecting $pc/$rip automatically always
collects $eip as well.

gdb/testsuite/ChangeLog:
2016-08-23  Pedro Alves  <palves@redhat.com>

	* gdb.trace/mi-trace-frame-collected.exp
	(test_trace_frame_collected): On x32, expect two registers.