[binutils-gdb] Implement "info proc exe" for NetBSD

[Kamil Rytarowski <krytarowski@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=51c133d547e21421c678276b0cb53383f5706781

commit 51c133d547e21421c678276b0cb53383f5706781
Author: Kamil Rytarowski <n54@gmx.com>
Date:   Sun Apr 12 17:04:34 2020 +0200

    Implement "info proc exe" for NetBSD
    
    Use pid_to_exec_file() to query the program.
    
    gdb/ChangeLog:
    
            * nbsd-nat.c (nbsd_nat_target::info_proc): Add do_exe.

Diff:
---
 gdb/ChangeLog  |  4 ++++
 gdb/nbsd-nat.c | 12 ++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 336bd497413..3bbd5c3129d 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2020-04-12  Kamil Rytarowski  <n54@gmx.com>
+
+	* nbsd-nat.c (nbsd_nat_target::info_proc): Add do_exe.
+
 2020-04-11  Kamil Rytarowski  <n54@gmx.com>
 
 	* nbsd-nat.c; Include "nbsd-tdep.h" and "gdbarch.h".
diff --git a/gdb/nbsd-nat.c b/gdb/nbsd-nat.c
index 2420153c7bc..05aedf8e3f1 100644
--- a/gdb/nbsd-nat.c
+++ b/gdb/nbsd-nat.c
@@ -299,6 +299,7 @@ bool
 nbsd_nat_target::info_proc (const char *args, enum info_proc_what what)
 {
   pid_t pid;
+  bool do_exe = false;
   bool do_mappings = false;
 
   switch (what)
@@ -306,6 +307,9 @@ nbsd_nat_target::info_proc (const char *args, enum info_proc_what what)
     case IP_MAPPINGS:
       do_mappings = true;
       break;
+    case IP_EXE:
+      do_exe = true;
+      break;
     default:
       error (_("Not supported on this target."));
     }
@@ -324,6 +328,14 @@ nbsd_nat_target::info_proc (const char *args, enum info_proc_what what)
 
   printf_filtered (_("process %d\n"), pid);
 
+  if (do_exe)
+    {
+      const char *exe = pid_to_exec_file (pid);
+      if (exe != nullptr)
+	printf_filtered ("exe = '%s'\n", exe);
+      else
+	warning (_("unable to fetch executable path name"));
+    }
   if (do_mappings)
     {
       size_t nvment;