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windows-nat: Replace __COPY_CONTEXT_SIZE conditional with __CYGWIN__

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Replace __COPY_CONTEXT_SIZE conditional with __CYGWIN__

__COPY_CONTEXT_SIZE was added to Cygwin's headers in 2006.

Versions of Cygwin which don't define __COPY_CONTEXT_SIZE are long obsolete.

Also see the thread starting at
https://sourceware.org/ml/gdb-patches/2015-03/msg00989.html for some discussion

Note that __COPY_CONTEXT_SIZE should just be sizeof(CONTEXT) (which is a
platform constant), but isn't due to historical mistakes in Cygwin headers.

gdb/ChangeLog:

2015-06-03  Jon Turney  <jon.turney@dronecode.org.uk>

	* windows-nat.c (do_windows_fetch_inferior_registers)
	(handle_output_debug_string): Replace __COPY_CONTEXT_SIZE
	conditional with __CYGWIN__.

Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
This commit is contained in:
Jon Turney 2015-06-03 13:58:45 +01:00
parent 87f5fbcc7a
commit f20c58f51f
2 changed files with 8 additions and 2 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2015-06-03 Jon Turney <jon.turney@dronecode.org.uk>
* windows-nat.c (do_windows_fetch_inferior_registers)
(handle_output_debug_string): Replace __COPY_CONTEXT_SIZE
conditional with __CYGWIN__.
2015-06-13 Andrew Burgess <andrew.burgess@embecosm.com>
* completer.c: Add arch-utils.h include.

4
gdb/windows-nat.c
View File

@ -435,7 +435,7 @@ do_windows_fetch_inferior_registers (struct regcache *regcache, int r)
if (current_thread->reload_context)
{
#ifdef __COPY_CONTEXT_SIZE
#ifdef __CYGWIN__
if (have_saved_context)
{
/* Lie about where the program actually is stopped since
@ -829,7 +829,7 @@ handle_output_debug_string (struct target_waitstatus *ourstatus)
warning (("%s"), s);
}
}
#ifdef __COPY_CONTEXT_SIZE
#ifdef __CYGWIN__
else
{
/* Got a cygwin signal marker. A cygwin signal is followed by