--- /dev/null
+--- gdb/printcmd.c 2005-02-24 14:51:34.000000000 +0100
++++ gdb/printcmd.c 2005-12-11 01:38:27.000000000 +0100
+@@ -942,6 +942,187 @@ print_command (char *exp, int from_tty)
+ print_command_1 (exp, 0, 1);
+ }
+
++int partial_memory_read (CORE_ADDR memaddr, char *myaddr, int len, int *errnoptr);
++
++static void
++scanmem_command(char *exp, int from_tty)
++{
++ struct expression *expr;
++ struct value *val;
++ struct format_data fmt;
++ CORE_ADDR addr;
++ unsigned char *data;
++ unsigned char *size;
++ unsigned char *pattern;
++ unsigned char typ;
++ unsigned int typc;
++ unsigned char my_buf[4];
++ unsigned int nfetch;
++ unsigned int len = 10;
++ unsigned int memsize;
++ unsigned int i;
++ int typi;
++ int errcode;
++ struct type *type;
++ char *str_num = NULL;
++ char *string_to_seek = NULL;
++ char *tmp = strdup(exp);
++ char *c;
++
++ if (!exp && !*exp)
++ return;
++
++ c = tmp;
++ if (*c == ' ')
++ while (*c && *c == ' ')
++ c++;
++
++ while (*c && *c != ' ')
++ c++;
++
++ *c = '\0';
++ c++;
++
++ while (*c && *c == ' ')
++ c++;
++
++ size = c;
++
++ while (*c && *c != ' ')
++ c++;
++
++ *c = '\0';
++ c++;
++
++ while (*c && *c == ' ')
++ c++;
++
++ typ = *c;
++ c++;
++
++ *c = '\0';
++ c++;
++
++ while (*c && *c == ' ')
++ c++;
++ pattern = c;
++
++ printf_filtered(">>addr %s: size %s: type:%c pattern:%s<< \n", tmp, size, typ, pattern);
++
++ expr = parse_expression(tmp);
++ val = evaluate_expression(expr);
++
++ if (TYPE_CODE(value_type(val)) == TYPE_CODE_REF)
++ val = value_ind(val);
++
++ if (TYPE_CODE(value_type(val)) == TYPE_CODE_FUNC && VALUE_LVAL(val) == lval_memory)
++ addr = VALUE_ADDRESS(val);
++ else
++ addr = value_as_address(val);
++
++ len = atoi(size);
++ data = xmalloc(len);
++ nfetch = partial_memory_read(addr, data, len, &errcode);
++
++ if (nfetch != len)
++ printf_filtered("we can read only %i bytes\n", nfetch);
++
++ switch (typ) {
++ case 's':
++ memsize = strlen(pattern);
++ if (nfetch < memsize) {
++ printf_filtered("we read only %i bytes and we seek for a pattern of %i bytes\n",
++ nfetch, memsize);
++ break;
++ }
++ for (i = 0; i <= (nfetch - memsize); i++, addr++) {
++ if (memcmp(data + i, pattern, memsize) == 0) {
++ printf_filtered("pattern match at ");
++ deprecated_print_address_numeric(addr, 1, gdb_stdout);
++ printf_filtered("\n");
++ }
++ }
++ break;
++
++ case 'i':
++ memsize = sizeof(int);
++ typi = atoi(pattern);
++
++ if (nfetch < memsize) {
++ printf_filtered("we read only %i bytes and we seek for a pattern of %i bytes\n",
++ nfetch, memsize);
++ break;
++ }
++ for (i = 0; i <= (nfetch - memsize); i++, addr++) {
++ int *pint;
++ pint = (unsigned int *) (data + i);
++ if (*pint == typi) {
++ printf_filtered("pattern match at ");
++ deprecated_print_address_numeric(addr, 1, gdb_stdout);
++ printf_filtered("\n");
++ }
++ }
++ break;
++
++ case 'a':
++ memsize = sizeof(unsigned long);
++ if (sscanf(pattern, "0x%x", &i) == 0) {
++ printf_filtered("cant convert to hexa %s\n", pattern);
++ break;
++ }
++ my_buf[0] = (unsigned char) ((i & 0x000000FF));
++ my_buf[1] = (unsigned char) ((i & 0x0000FF00) >> 8);
++ my_buf[2] = (unsigned char) ((i & 0x00FF0000) >> 16);
++ my_buf[3] = (unsigned char) ((i & 0xFF000000) >> 24);
++ if (nfetch < memsize) {
++ printf_filtered("we read only %i bytes and we seek for a pattern of %i bytes\n",
++ nfetch, memsize);
++ break;
++ }
++ for (i = 0; i <= (nfetch - memsize); i++, addr++) {
++ if (memcmp(data + i, my_buf, memsize) == 0) {
++ printf_filtered("pattern match at ");
++ deprecated_print_address_numeric(addr, 1, gdb_stdout);
++ printf_filtered("\n");
++ }
++ }
++ break;
++
++ case 'b':
++ case 'c':
++ memsize = sizeof(char);
++ if (typ == 'c')
++ typc = *pattern;
++ else {
++ if (strncmp("0x", pattern, 2) == 0)
++ sscanf(pattern, "0x%02x", &typc);
++ else
++ typc = (unsigned char)atoi(pattern);
++ }
++ printf_filtered(">>>%0x2\n", typc);
++ if (nfetch < memsize) {
++ printf_filtered("we read only %i bytes and we seek for a pattern of %i bytes\n",
++ nfetch, memsize);
++ break;
++ }
++ for (i = 0; i <= (nfetch - memsize); i++, addr++) {
++ if (data[i] == typc) {
++ printf_filtered("pattern match at ");
++ deprecated_print_address_numeric(addr, 1, gdb_stdout);
++ printf_filtered("\n");
++ }
++ }
++ break;
++
++ default:
++ printf_filtered("'%c' is not a valid type\n", typ);
++ break;
++ }
++ free(data);
++ free(tmp);
++ return;
++}
++
+ /* Same as print, except in epoch, it gets its own window */
+ static void
+ inspect_command (char *exp, int from_tty)
+@@ -2138,6 +2319,16 @@ EXP may be preceded with /FMT, where FMT
+ but no count or size letter (see \"x\" command)."));
+ set_cmd_completer (c, location_completer);
+ add_com_alias ("p", "print", class_vars, 1);
++ c = add_com ("scanmem", class_vars, scanmem_command, _("\
++scanmem <addr> <num> <type> <string>\n\
++example: scanmem $esp 100 a 0x8048434\n\
++ scan for this addr on the stack\n\n\
++ scanmem 0x08048434 100 s fsck\n\
++ seek for a string\n\
++ scanmem 0x8048434 100 b 0x75\n\
++ scan for the char 0x75\n\
++ a = address c = char b = byte i = int s = string")); /* antilove@zolo.freelsd.net */
++ set_cmd_completer (c, location_completer);
+
+ c = add_com ("inspect", class_vars, inspect_command, _("\
+ Same as \"print\" command, except that if you are running in the epoch\n\
+--- gdb/valprint.c 2006-06-21 19:38:30.000000000 -0400
++++ gdb/valprint.c 2006-06-21 19:42:13.000000000 -0400
+@@ -39,7 +39,7 @@
+
+ /* Prototypes for local functions */
+
+-static int partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr,
++int partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr,
+ int len, int *errnoptr);
+
+ static void show_print (char *, int);
+@@ -1058,7 +1058,7 @@
+ /* FIXME: cagney/1999-10-14: Only used by val_print_string. Can this
+ function be eliminated. */
+
+-static int
++int
+ partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, int len, int *errnoptr)
+ {
+ int nread; /* Number of bytes actually read. */
--- /dev/null
+# Copyright 1999-2006 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/sys-devel/gdb/gdb-6.5-r1.ebuild,v 1.1 2006/06/22 00:38:44 solar Exp $
+
+inherit flag-o-matic eutils
+
+export CTARGET=${CTARGET:-${CHOST}}
+if [[ ${CTARGET} == ${CHOST} ]] ; then
+ if [[ ${CATEGORY/cross-} != ${CATEGORY} ]] ; then
+ export CTARGET=${CATEGORY/cross-}
+ fi
+fi
+
+#DEB_VER=1
+DESCRIPTION="GNU debugger"
+HOMEPAGE="http://sources.redhat.com/gdb/"
+SRC_URI="http://ftp.gnu.org/gnu/gdb/${P}.tar.bz2
+ ftp://sources.redhat.com/pub/gdb/releases/${P}.tar.bz2
+ mirror://gentoo/gdb_init.txt.bz2"
+
+LICENSE="GPL-2 LGPL-2"
+[[ ${CTARGET} != ${CHOST} ]] \
+ && SLOT="${CTARGET}" \
+ || SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86 ~x86-fbsd"
+IUSE="nls test vanilla"
+
+RDEPEND=">=sys-libs/ncurses-5.2-r2"
+DEPEND="${RDEPEND}
+ test? ( dev-util/dejagnu )
+ nls? ( sys-devel/gettext )"
+
+src_unpack() {
+ unpack ${A}
+ cd "${S}"
+ mv "${WORKDIR}"/gdb_init.txt . || die
+
+ if ! use vanilla ; then
+ if [[ -n ${DEB_VER} ]] ; then
+ epatch "${WORKDIR}"/gdb_${PV}-${DEB_VER}.diff
+ for f in $(<debian/patches/series) ; do
+ EPATCH_SINGLE_MSG="Applying Debian's ${f}" \
+ epatch debian/patches/${f}
+ done
+ fi
+ epatch "${FILESDIR}"/gdb-6.4-uclibc.patch
+ #epatch "${FILESDIR}"/gdb-6.x-crash.patch
+ epatch "${FILESDIR}"/gdb-6.2.1-pass-libdir.patch
+ epatch "${FILESDIR}"/gdb-6.5-scanmem.patch
+ epatch "${FILESDIR}"/gdb-6.3-gdbinit-stat.patch
+ fi
+
+ epatch "${FILESDIR}"/gdb-configure-LANG.patch
+ strip-linguas -u bfd/po opcodes/po
+}
+
+src_compile() {
+ replace-flags -O? -O2
+ econf \
+ --disable-werror \
+ $(use_enable nls) \
+ || die
+ emake || die
+}
+
+src_test() {
+ make check || ewarn "tests failed"
+}
+
+src_install() {
+ make \
+ DESTDIR="${D}" \
+ libdir=/nukeme includedir=/nukeme \
+ install || die
+ rm -r "${D}"/nukeme || die
+
+ # Don't install docs when building a cross-gdb
+ if [[ ${CTARGET} != ${CHOST} ]] ; then
+ rm -r "${D}"/usr/share
+ return 0
+ fi
+
+ dodoc README
+ docinto gdb
+ dodoc gdb/CONTRIBUTE gdb/README gdb/MAINTAINERS \
+ gdb/NEWS gdb/ChangeLog gdb/PROBLEMS
+ docinto sim
+ dodoc sim/ChangeLog sim/MAINTAINERS sim/README-HACKING
+
+ if use x86 ; then
+ dodir /etc/skel/
+ cp "${S}"/gdb_init.txt "${D}"/etc/skel/.gdbinit \
+ || die "install ${D}/etc/skel/.gdbinit"
+ fi
+
+ # Remove shared info pages
+ rm -f "${D}"/usr/share/info/{annotate,bfd,configure,standards}.info*
+}
projects / gentoo.git / commitdiff