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cdd4206647
Many test cases had a few lines in the beginning that look like:
if { condition } {
continue
}
Where conditions varied, but were mostly in the form of ![runto_main] or
[skip_*_tests], making it quite clear that this code block was supposed
to finish the test if it entered the code block. This generates TCL
errors, as most of these tests are not inside loops. All cases on which
this was an obvious mistake are changed in this patch.
69 lines
2.4 KiB
Plaintext
69 lines
2.4 KiB
Plaintext
# Copyright 2003-2022 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Tests for PR gdb/1250.
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# 2003-07-15 Michael Chastain <mec@shout.net>
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# This file is part of the gdb testsuite.
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#
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# test running programs
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#
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standard_testfile .c
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
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untested "failed to compile"
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return -1
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}
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clean_restart ${binfile}
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if ![runto abort {allow-pending}] then {
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return
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}
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# See http://sources.redhat.com/gdb/bugs/1250
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#
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# In a nutshell: the function 'beta' ends with a call to 'abort', which
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# is a noreturn function. So the last instruction of 'beta' is a call
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# to 'abort'. When gdb looks for information about the caller of
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# 'beta', it looks at the instruction after the call to 'abort' -- which
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# is the first instruction of 'alpha'! So gdb uses the wrong frame
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# information. It thinks that the test program is in 'alpha' and that
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# the prologue "push %ebp / mov %esp,%ebp" has not been executed yet,
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# and grabs the wrong values.
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#
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# By the nature of the bug, it could pass if the C compiler is not smart
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# enough to implement 'abort' as a noreturn function. This is okay.
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# The real point is that users often put breakpoints on noreturn
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# functions such as 'abort' or some kind of exitting function, and those
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# breakpoints should work.
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gdb_test_multiple "backtrace" "backtrace from abort" {
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-re "#0.*abort.*\r\n#1.*beta.*\r\n#2.*alpha.*\r\n#3.*main.*\r\n$gdb_prompt $" {
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pass "backtrace from abort"
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}
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-re "#0.*abort.*\r\n#1.*beta.*\r\n$gdb_prompt $" {
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# This happens with gdb HEAD as of 2003-07-13, with gcc 3.3,
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# binutils 2.14, either -gdwarf-2 or -gstabs+, on native
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# i686-pc-linux-gnu.
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#
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# gdb gets 'abort' and 'beta' right and then goes into the
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# weeds.
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kfail "gdb/1250" "backtrace from abort"
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}
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}
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