packages/gdb: add gdb-11.2

Forward port patches from gdb-11.1, as they still apply clean, hence
still assumed to be relevant.

Signed-off-by: Hans-Christian Noren Egtvedt <hegtvedt@cisco.com>

packages/gdb/11.2/0000-xtensa-make-sure-ar_base-is-initialized.patch

@@ -0,0 +1,30 @@
+From 208ea73d38c9c16cf983b6419f58050dbadcb6a9 Mon Sep 17 00:00:00 2001
+From: Max Filippov <jcmvbkbc@gmail.com>
+Date: Sun, 7 Jun 2015 22:43:49 +0300
+Subject: [PATCH 2/2] xtensa: make sure ar_base is initialized
+
+ar_base is uninitialized for cores w/o windowed registers as their
+regmap doesn't have register 0x0100.
+Check that ar_base is initialized and if not initialize it with a0_base.
+
+gdb/
+	* xtensa-tdep.c (xtensa_derive_tdep): Make sure ar_base is
+	initialized.
+
+Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
+---
+ gdb/xtensa-tdep.c |    3 +++
+ 1 file changed, 3 insertions(+)
+
+--- a/gdb/xtensa-tdep.c
++++ b/gdb/xtensa-tdep.c
+@@ -3129,6 +3129,9 @@
+   if (tdep->num_regs == 0)
+     tdep->num_regs = tdep->num_nopriv_regs;
+ 
++  if (tdep->ar_base == -1)
++    tdep->ar_base = tdep->a0_base;
++
+   /* Number of pseudo registers.  */
+   tdep->num_pseudo_regs = n - tdep->num_regs;
+ 

packages/gdb/11.2/0001-WIP-end-of-prologue-detection-hack.patch

@@ -0,0 +1,26 @@
+From 7f8eacbb468575fb67db7fd1155a3aedaa91911b Mon Sep 17 00:00:00 2001
+From: Max Filippov <jcmvbkbc@gmail.com>
+Date: Sun, 7 Jun 2015 23:15:39 +0300
+Subject: [PATCH] WIP: *end of prologue* detection hack
+
+see
+  http://www.esp8266.com/viewtopic.php?p=18461#p18461
+  http://www.esp8266.com/viewtopic.php?p=19026#p19026
+  http://www.esp8266.com/viewtopic.php?p=19683#p19683
+
+Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
+---
+ gdb/xtensa-tdep.c |    2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/gdb/xtensa-tdep.c
++++ b/gdb/xtensa-tdep.c
+@@ -2377,7 +2377,7 @@
+   /* Find out, if we have an information about the prologue from DWARF.  */
+   prologue_sal = find_pc_line (start, 0);
+   if (prologue_sal.line != 0) /* Found debug info.  */
+-    body_pc = prologue_sal.end;
++    body_pc = prologue_sal.end + 40;
+ 
+   /* If we are going to analyze the prologue in general without knowing about
+      the current PC, make the best assumption for the end of the prologue.  */

packages/gdb/11.2/0002-allow-android.patch

@@ -0,0 +1,45 @@
+---
+ gdbserver/configure    |   11 -----------
+ gdbserver/configure.ac |   11 -----------
+ 2 files changed, 22 deletions(-)
+
+--- a/gdbserver/configure
++++ b/gdbserver/configure
+@@ -10028,17 +10028,6 @@
+ 
+ 
+ case "${target}" in
+-  *-android*)
+-    # Starting with NDK version 9, <elf.h> actually includes definitions
+-    # of Elf32_auxv_t and Elf64_auxv_t. But sadly, <elf.h> includes
+-    # <sys/exec_elf.h> which defines some of the ELF types incorrectly,
+-    # leading to conflicts with the defintions from <linux/elf.h>.
+-    # This makes it impossible for us to include both <elf.h> and
+-    # <linux/elf.h>, which means that, in practice, we do not have
+-    # access to Elf32_auxv_t and Elf64_auxv_t on this platform.
+-    # Therefore, do not try to auto-detect availability, as it would
+-    # get it wrong on this platform.
+-    ;;
+   *)
+     ac_fn_c_check_type "$LINENO" "Elf32_auxv_t" "ac_cv_type_Elf32_auxv_t" "#include <elf.h>
+ 
+--- a/gdbserver/configure.ac
++++ b/gdbserver/configure.ac
+@@ -171,17 +171,6 @@
+ ])
+ 
+ case "${target}" in
+-  *-android*)
+-    # Starting with NDK version 9, <elf.h> actually includes definitions
+-    # of Elf32_auxv_t and Elf64_auxv_t. But sadly, <elf.h> includes
+-    # <sys/exec_elf.h> which defines some of the ELF types incorrectly,
+-    # leading to conflicts with the defintions from <linux/elf.h>.
+-    # This makes it impossible for us to include both <elf.h> and
+-    # <linux/elf.h>, which means that, in practice, we do not have
+-    # access to Elf32_auxv_t and Elf64_auxv_t on this platform.
+-    # Therefore, do not try to auto-detect availability, as it would
+-    # get it wrong on this platform.
+-    ;;
+   *)
+     AC_CHECK_TYPES([Elf32_auxv_t, Elf64_auxv_t], [], [],
+     #include <elf.h>

packages/gdb/11.2/0003-xtensa-Fix-compilation-of-gdbserver.patch

@@ -0,0 +1,30 @@
+From 6f110500ed04148e3734f5b6a4fc573477c8398a Mon Sep 17 00:00:00 2001
+From: Alexey Brodkin <abrodkin@synopsys.com>
+Date: Tue, 24 Aug 2021 12:29:18 -0700
+Subject: [PATCH] xtensa: Fix compilation of gdbserver
+
+Otherwise a lot of errors like the following happen:
+--------------------------->8---------------------------------
+Error:     .../gdb/xtensa-linux-nat.c:66:17: error: 'gdbarch_pc_regnum' was not declared in this scope
+Error:     .../gdb/xtensa-linux-nat.c:68:17: error: 'gdbarch_ps_regnum' was not declared in this scope
+Error:     .../gdb/xtensa-linux-nat.c:71:38: error: no matching function for call to 'gdbarch_tdep::gdbarch_tdep(gdbarch*&)'
+...
+--------------------------->8---------------------------------
+
+Initially caught by https://github.com/crosstool-ng/crosstool-ng/pull/1573/checks?check_run_id=3361561567
+
+Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
+---
+ gdb/xtensa-linux-nat.c |    1 +
+ 1 file changed, 1 insertion(+)
+
+--- a/gdb/xtensa-linux-nat.c
++++ b/gdb/xtensa-linux-nat.c
+@@ -34,6 +34,7 @@
+ #include "nat/gdb_ptrace.h"
+ #include <asm/ptrace.h>
+ 
++#include "gdbarch.h"
+ #include "gregset.h"
+ #include "xtensa-tdep.h"
+ 

packages/gdb/11.2/chksum

@@ -0,0 +1,8 @@
+md5 gdb-11.2.tar.gz b5674bef1fbd6beead889f80afa6f269
+sha1 gdb-11.2.tar.gz 4b80f1006730e45930956aca7e85c41c8ad09922
+sha256 gdb-11.2.tar.gz b558b66084835e43b6361f60d60d314c487447419cdf53adf83a87020c367290
+sha512 gdb-11.2.tar.gz e1fdcc8207fb479ff761bfb75fbb380757495e8e74b51b593acf425ffad80ee205692775111bdc9ba8f50a38e53deb156bb0d377078607c3d15afa46e8c30913
+md5 gdb-11.2.tar.xz 433bd0904caa31c247b1b1867f2f911d
+sha1 gdb-11.2.tar.xz 7c72b1d4a38bb6e155aaad29f4c1abf818b4595d
+sha256 gdb-11.2.tar.xz 1497c36a71881b8671a9a84a0ee40faab788ca30d7ba19d8463c3cc787152e32
+sha512 gdb-11.2.tar.xz 07e9026423438049b11f4f784d57401ece4e940570f613bd6958b3714fe7fbc2c048470bcce3e7d7d9f93331cdf3881d30dcc964cb113a071143a02b28e5b127