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Tom de Vries 9197cd8b52 [gdb/testsuite] Fix gdb.base/maint.exp with check-read1
With gdb.base/maint.exp and check-read1, we get:
...
FAIL: gdb.base/maint.exp: maint print registers
...

Using this patch:
...
diff --git a/gdb/testsuite/gdb.base/maint.exp b/gdb/testsuite/gdb.base/maint.exp
index a7675ea215..b81d7ec660 100644
--- a/gdb/testsuite/gdb.base/maint.exp
+++ b/gdb/testsuite/gdb.base/maint.exp
@@ -81,7 +81,9 @@ gdb_test_multiple $test $test {
         exp_continue
     }
     -re "$gdb_prompt $" {
-        gdb_assert { $saw_registers && $saw_headers } $test
+       gdb_assert { $saw_headers } "$test: saw headers"
+       gdb_assert { $saw_registers } "$test: saw registers"
+       pass "$test: got prompt"
     }
 }
...

We get more information:
...
PASS: gdb.base/maint.exp: maint print registers: saw headers
FAIL: gdb.base/maint.exp: maint print registers: saw registers
PASS: gdb.base/maint.exp: maint print registers: got prompt
...

The problem is that when matching:
...
(gdb) maint print registers^M
 Name         Nr  Rel Offset    Size  Type            ^M
 rax           0    0      0       8 int64_t         ^M
...
the regexp for $saw_headers ends in "\[\r\n\]+", which
allows it to match only the "\r".  The remaining "\n" then start the next line
to be matched, which doesn't match for the $saw_registers regexp since it
starts with "^\[^\r\n\]+".

Fix this by ending the regexps with "\r\n".

Tested on x86_64-linux.

gdb/testsuite/ChangeLog:

2019-07-29  Tom de Vries  <tdevries@suse.de>

	* gdb.base/maint.exp: Use "\r\n" instead of "\[\r\n\]+" in "maint
          print registers" regexps.
2019-07-29 11:24:04 +02:00
bfd Support .gnu.lto_.lto section in ELF files (PR 24768). 2019-07-29 10:11:44 +02:00
binutils Support .gnu.lto_.lto section in ELF files (PR 24768). 2019-07-29 10:11:44 +02:00
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gdb [gdb/testsuite] Fix gdb.base/maint.exp with check-read1 2019-07-29 11:24:04 +02:00
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gold Support .gnu.lto_.lto section in ELF files (PR 24768). 2019-07-29 10:11:44 +02:00
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		   README for GNU development tools

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