Ports/gdb: Add descriptions to all gdb patches and remove dead code

Before working on the gdb port some more, I wanted to get these patches
cleaned up to have a good base to build upon.

Meta/lint-ports.py

@@ -51,7 +51,6 @@ PORTS_MISSING_DESCRIPTIONS = {
     'freetype',
     'gawk',
     'gcc',
-    'gdb',
     'genemu',
     'gettext',
     'git',

Ports/gdb/patches/0001-gdb-Disable-xmalloc-for-alternate_signal_stack-for-s.patch

@@ -1,3 +1,13 @@
+From 32bfc7a161e6bf10decbf29b31c7b547cf250d3a Mon Sep 17 00:00:00 2001
+From: Brian Gianforcaro <b.gianfo@gmail.com>
+Date: Sat, 19 Feb 2022 19:46:06 -0800
+Subject: [PATCH 1/4] gdb: Disable xmalloc for alternate_signal_stack for
+ serenity
+
+---
+ gdbsupport/alt-stack.h | 37 ++++++++++++++++++++++++++-----------
+ 1 file changed, 26 insertions(+), 11 deletions(-)
+
 diff --git a/gdbsupport/alt-stack.h b/gdbsupport/alt-stack.h
 index 056ea41..b638533 100644
 --- a/gdbsupport/alt-stack.h
@@ -68,3 +78,6 @@ index 056ea41..b638533 100644
    stack_t m_old_stack;
  #endif
  };
+-- 
+2.32.0
+

Ports/gdb/patches/0002-serenity-Add-basic-ptrace-based-native-target-for-Se.patch

@@ -1,7 +1,7 @@
-From 581bbef892960b1533aa9d9918f5eeee4bff9cce Mon Sep 17 00:00:00 2001
+From 883a25f5ed8fd8f13b8e30aed3a25001839d892c Mon Sep 17 00:00:00 2001
 From: Brian Gianforcaro <b.gianfo@gmail.com>
 Date: Tue, 28 Dec 2021 04:35:47 -0800
-Subject: [PATCH 2/3] serenity: Add basic ptrace based native target for
+Subject: [PATCH 2/4] serenity: Add basic ptrace based native target for
  SerenityOS/i386
 
 ---
@@ -14,10 +14,10 @@ Subject: [PATCH 2/3] serenity: Add basic ptrace based native target for
  gdb/osabi.c              |   1 +
  gdb/osabi.h              |   1 +
  gdb/serenity-nat.c       |  13 +++++
- gdb/serenity-nat.h       |  34 +++++++++++++
+ gdb/serenity-nat.h       |  16 +++++++
  gdb/serenity-tdep.c      |  28 +++++++++++
  gdb/serenity-tdep.h      |  24 ++++++++++
- 12 files changed, 271 insertions(+)
+ 12 files changed, 253 insertions(+)
  create mode 100644 gdb/i386-serenity-nat.c
  create mode 100644 gdb/i386-serenity-tdep.c
  create mode 100644 gdb/i386-serenity-tdep.h
@@ -314,10 +314,10 @@ index 0000000..ff740d4
 \ No newline at end of file
 diff --git a/gdb/serenity-nat.h b/gdb/serenity-nat.h
 new file mode 100644
-index 0000000..ac3cfaa
+index 0000000..dcd24ce
 --- /dev/null
 +++ b/gdb/serenity-nat.h
-@@ -0,0 +1,34 @@
+@@ -0,0 +1,16 @@
 +/* Native-dependent code for SerenityOS.  */
 +
 +#ifndef SERENITYOS_NAT_H
@@ -331,24 +331,6 @@ index 0000000..ac3cfaa
 +
 +class serenity_nat_target : public inf_ptrace_target
 +{
-+#if 0 
-+  /* Override some methods to support threads.  */
-+  std::string pid_to_str (ptid_t) override;
-+  void update_thread_list () override;
-+  ptid_t wait (ptid_t, struct target_waitstatus *, target_wait_flags) override;
-+
-+#ifdef PT_GET_PROCESS_STATE
-+  void follow_fork (bool, bool) override;
-+
-+  int insert_fork_catchpoint (int) override;
-+
-+  int remove_fork_catchpoint (int) override;
-+
-+  void post_startup_inferior (ptid_t) override;
-+
-+  void post_attach (int) override;
-+#endif
-+#endif
 +};
 +
 +#endif /* serenity-nat.h */

Ports/gdb/patches/0003-gdb-Add-build-support-for-SerenityOS.patch

@@ -1,3 +1,14 @@
+From e87fd74df2c7fcb4b146eb09b5b710a45003999a Mon Sep 17 00:00:00 2001
+From: Brian Gianforcaro <b.gianfo@gmail.com>
+Date: Sat, 19 Feb 2022 19:47:42 -0800
+Subject: [PATCH 3/4] gdb: Add build support for SerenityOS
+
+---
+ bfd/config.bfd       | 9 +++++++++
+ gdbsupport/configure | 2 +-
+ libiberty/configure  | 4 +++-
+ 3 files changed, 13 insertions(+), 2 deletions(-)
+
 diff --git a/bfd/config.bfd b/bfd/config.bfd
 index 30087e3..11dc114 100644
 --- a/bfd/config.bfd
@@ -53,3 +64,6 @@ index fffb91d..defc239 100755
      ;;
  esac
  
+-- 
+2.32.0
+

Ports/gdb/patches/0004-serenity-Fix-compiler-fpermissive-warnings-from-usin.patch

@@ -1,7 +1,7 @@
-From 7eeba40e3e8e3be17c68164c44e5ccf76b732842 Mon Sep 17 00:00:00 2001
+From 7a5e11d2e9cbe98af96faa4835592686bf261a23 Mon Sep 17 00:00:00 2001
 From: Brian Gianforcaro <b.gianfo@gmail.com>
 Date: Tue, 28 Dec 2021 04:39:25 -0800
-Subject: [PATCH] serenity: Fix compiler -fpermissive warnings from using
+Subject: [PATCH 4/4] serenity: Fix compiler -fpermissive warnings from using
  latest GCC
 
 ---

Ports/gdb/patches/ReadMe.md

@@ -0,0 +1,22 @@
+# Patches for gdb on SerenityOS
+
+## `0001-gdb-Disable-xmalloc-for-alternate_signal_stack-for-s.patch`
+
+gdb: Disable xmalloc for alternate_signal_stack for serenity
+
+
+## `0002-serenity-Add-basic-ptrace-based-native-target-for-Se.patch`
+
+serenity: Add basic ptrace based native target for SerenityOS/i386
+
+
+## `0003-gdb-Add-build-support-for-SerenityOS.patch`
+
+gdb: Add build support for SerenityOS
+
+
+## `0004-serenity-Fix-compiler-fpermissive-warnings-from-usin.patch`
+
+serenity: Fix compiler -fpermissive warnings from using latest GCC
+
+