[PATCH 2/5] Define constants for win32pstatus ELF notes

[Jon Turney]

Define constants for win32pstatus ELF notes, as they were prior to
4a6636fb, and say what specifies them.

bfd/ChangeLog:

2020-07-11  Jon Turney  <jon.turney@dronecode.org.uk>

	* elf.c (NOTE_INFO{_PROCESS,_THREAD,_MODULE}): Define.
	(elfcore_grok_win32pstatus): Use.
---
 bfd/ChangeLog |  5 +++++
 bfd/elf.c     | 14 +++++++++-----
 2 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/bfd/elf.c b/bfd/elf.c
index 0990be31f54..d4900dd3709 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -10127,6 +10127,12 @@ elfcore_grok_lwpstatus (bfd *abfd, Elf_Internal_Note *note)
 }
 #endif /* defined (HAVE_LWPSTATUS_T) */
 
+/* These constants, and the structure offsets used below, are defined by
+   Cygwin's core_dump.h */
+#define NOTE_INFO_PROCESS  1
+#define NOTE_INFO_THREAD   2
+#define NOTE_INFO_MODULE   3
+
 static bfd_boolean
 elfcore_grok_win32pstatus (bfd *abfd, Elf_Internal_Note *note)
 {
@@ -10148,15 +10154,13 @@ elfcore_grok_win32pstatus (bfd *abfd, Elf_Internal_Note *note)
 
   switch (type)
     {
-    case 1 /* NOTE_INFO_PROCESS */:
+    case NOTE_INFO_PROCESS:
       /* FIXME: need to add ->core->command.  */
-      /* process_info.pid */
       elf_tdata (abfd)->core->pid = bfd_get_32 (abfd, note->descdata + 4);
-      /* process_info.signal */
       elf_tdata (abfd)->core->signal = bfd_get_32 (abfd, note->descdata + 8);
       break;
 
-    case 2 /* NOTE_INFO_THREAD */:
+    case NOTE_INFO_THREAD:
       /* Make a ".reg/<tid>" section containing the Win32 API thread CONTEXT
          structure. */
       /* thread_info.tid */
@@ -10187,7 +10191,7 @@ elfcore_grok_win32pstatus (bfd *abfd, Elf_Internal_Note *note)
 	  return FALSE;
       break;
 
-    case 3 /* NOTE_INFO_MODULE */:
+    case NOTE_INFO_MODULE:
       /* Make a ".module/xxxxxxxx" section.  */
       /* module_info.base_address */
       base_addr = bfd_get_32 (abfd, note->descdata + 4);
-- 
2.27.0