9:48 a.m.
From: Akihiko Odaki <akihiko.odaki(a)daynix.com>
Before this change, the information from a XML file was stored in an
array that is not descriptive. Introduce a dedicated structure type to
make it easier to understand and to extend with more fields.
Signed-off-by: Akihiko Odaki <akihiko.odaki(a)daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd(a)linaro.org>
Reviewed-by: Alex Bennée <alex.bennee(a)linaro.org>
Reviewed-by: Richard Henderson <richard.henderson(a)linaro.org>
Message-Id: <20230912224107.29669-6-akihiko.odaki(a)daynix.com>
Signed-off-by: Alex Bennée <alex.bennee(a)linaro.org>
---
MAINTAINERS | 2 +-
meson.build | 2 +-
include/exec/gdbstub.h | 9 ++++--
gdbstub/gdbstub.c | 6 ++--
stubs/gdbstub.c | 6 ++--
scripts/feature_to_c.py | 48 ++++++++++++++++++++++++++++
scripts/feature_to_c.sh | 69 -----------------------------------------
7 files changed, 63 insertions(+), 79 deletions(-)
create mode 100755 scripts/feature_to_c.py
delete mode 100644 scripts/feature_to_c.sh
diff --git a/MAINTAINERS b/MAINTAINERS
index 355b1960ce..8ccd978811 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2829,7 +2829,7 @@ F: include/exec/gdbstub.h
F: include/gdbstub/*
F: gdb-xml/
F: tests/tcg/multiarch/gdbstub/
-F: scripts/feature_to_c.sh
+F: scripts/feature_to_c.py
F: scripts/probe-gdb-support.py
Memory API
diff --git a/meson.build b/meson.build
index f426861d90..98a65c7df9 100644
--- a/meson.build
+++ b/meson.build
@@ -3702,7 +3702,7 @@ common_all = static_library('common',
dependencies: common_all.dependencies(),
name_suffix: 'fa')
-feature_to_c = find_program('scripts/feature_to_c.sh')
+feature_to_c = find_program('scripts/feature_to_c.py')
if targetos == 'darwin'
entitlement = find_program('scripts/entitlement.sh')
diff --git a/include/exec/gdbstub.h b/include/exec/gdbstub.h
index 16a139043f..705be2c5d7 100644
--- a/include/exec/gdbstub.h
+++ b/include/exec/gdbstub.h
@@ -10,6 +10,11 @@
#define GDB_WATCHPOINT_READ 3
#define GDB_WATCHPOINT_ACCESS 4
+typedef struct GDBFeature {
+ const char *xmlname;
+ const char *xml;
+} GDBFeature;
+
/* Get or set a register. Returns the size of the register. */
typedef int (*gdb_get_reg_cb)(CPUArchState *env, GByteArray *buf, int reg);
@@ -48,7 +53,7 @@ void gdb_set_stop_cpu(CPUState *cpu);
*/
bool gdb_has_xml(void);
-/* in gdbstub-xml.c, generated by scripts/feature_to_c.sh */
-extern const char *const xml_builtin[][2];
+/* in gdbstub-xml.c, generated by scripts/feature_to_c.py */
+extern const GDBFeature gdb_static_features[];
#endif
diff --git a/gdbstub/gdbstub.c b/gdbstub/gdbstub.c
index 384191bcb0..12f4d07046 100644
--- a/gdbstub/gdbstub.c
+++ b/gdbstub/gdbstub.c
@@ -408,11 +408,11 @@ static const char *get_feature_xml(const char *p, const char
**newp,
}
}
/* Is it one of the encoded gdb-xml/ files? */
- for (int i = 0; xml_builtin[i][0]; i++) {
- const char *name = xml_builtin[i][0];
+ for (int i = 0; gdb_static_features[i].xmlname; i++) {
+ const char *name = gdb_static_features[i].xmlname;
if ((strncmp(name, p, len) == 0) &&
strlen(name) == len) {
- return xml_builtin[i][1];
+ return gdb_static_features[i].xml;
}
}
diff --git a/stubs/gdbstub.c b/stubs/gdbstub.c
index 2b7aee50d3..580e20702b 100644
--- a/stubs/gdbstub.c
+++ b/stubs/gdbstub.c
@@ -1,6 +1,6 @@
#include "qemu/osdep.h"
-#include "exec/gdbstub.h" /* xml_builtin */
+#include "exec/gdbstub.h" /* gdb_static_features */
-const char *const xml_builtin[][2] = {
- { NULL, NULL }
+const GDBFeature gdb_static_features[] = {
+ { NULL }
};
diff --git a/scripts/feature_to_c.py b/scripts/feature_to_c.py
new file mode 100755
index 0000000000..bcbcb83beb
--- /dev/null
+++ b/scripts/feature_to_c.py
@@ -0,0 +1,48 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+import os, sys
+
+def writeliteral(indent, bytes):
+ sys.stdout.write(' ' * indent)
+ sys.stdout.write('"')
+ quoted = True
+
+ for c in bytes:
+ if not quoted:
+ sys.stdout.write('\n')
+ sys.stdout.write(' ' * indent)
+ sys.stdout.write('"')
+ quoted = True
+
+ if c == b'"'[0]:
+ sys.stdout.write('\\"')
+ elif c == b'\\'[0]:
+ sys.stdout.write('\\\\')
+ elif c == b'\n'[0]:
+ sys.stdout.write('\\n"')
+ quoted = False
+ elif c >= 32 and c < 127:
+ sys.stdout.write(c.to_bytes(1, 'big').decode())
+ else:
+ sys.stdout.write(f'\{c:03o}')
+
+ if quoted:
+ sys.stdout.write('"')
+
+sys.stdout.write('#include "qemu/osdep.h"\n' \
+ '#include "exec/gdbstub.h"\n' \
+ '\n'
+ 'const GDBFeature gdb_static_features[] = {\n')
+
+for input in sys.argv[1:]:
+ with open(input, 'rb') as file:
+ read = file.read()
+
+ sys.stdout.write(' {\n')
+ writeliteral(8, bytes(os.path.basename(input), 'utf-8'))
+ sys.stdout.write(',\n')
+ writeliteral(8, read)
+ sys.stdout.write('\n },\n')
+
+sys.stdout.write(' { NULL }\n};\n')
diff --git a/scripts/feature_to_c.sh b/scripts/feature_to_c.sh
deleted file mode 100644
index c1f67c8f6a..0000000000
--- a/scripts/feature_to_c.sh
+++ /dev/null
@@ -1,69 +0,0 @@
-#!/bin/sh
-
-# Convert text files to compilable C arrays.
-#
-# Copyright (C) 2007 Free Software Foundation, Inc.
-#
-# This file is part of GDB.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, see <http://www.gnu.org/licenses/>;.
-
-if test -z "$1"; then
- echo "Usage: $0 INPUTFILE..."
- exit 1
-fi
-
-for input; do
- arrayname=xml_feature_$(echo $input | sed 's,.*/,,; s/[-.]/_/g')
-
- ${AWK:-awk} 'BEGIN { n = 0
- printf "#include \"qemu/osdep.h\"\n"
- print "static const char '$arrayname'[] = {"
- for (i = 0; i < 255; i++)
- _ord_[sprintf("%c", i)] = i
- } {
- split($0, line, "");
- printf " "
- for (i = 1; i <= length($0); i++) {
- c = line[i]
- if (c == "'\''") {
- printf "'\''\\'\'''\'', "
- } else if (c == "\\") {
- printf "'\''\\\\'\'', "
- } else if (_ord_[c] >= 32 && _ord_[c] < 127) {
- printf "'\''%s'\'', ", c
- } else {
- printf "'\''\\%03o'\'', ", _ord_[c]
- }
- if (i % 10 == 0)
- printf "\n "
- }
- printf "'\''\\n'\'', \n"
- } END {
- print " 0 };"
- }' < $input
-done
-
-echo
-echo '#include "exec/gdbstub.h"'
-echo "const char *const xml_builtin[][2] = {"
-
-for input; do
- basename=$(echo $input | sed 's,.*/,,')
- arrayname=xml_feature_$(echo $input | sed 's,.*/,,; s/[-.]/_/g')
- echo " { \"$basename\", $arrayname },"
-done
-
-echo " { (char *)0, (char *)0 }"
-echo "};"
--
2.39.2