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-rw-r--r--toolchain-layer/recipes-devtools/binutils/binutils-2.20.1/binutils-poison.patch253
1 files changed, 253 insertions, 0 deletions
diff --git a/toolchain-layer/recipes-devtools/binutils/binutils-2.20.1/binutils-poison.patch b/toolchain-layer/recipes-devtools/binutils/binutils-2.20.1/binutils-poison.patch
new file mode 100644
index 000000000..c2f19276f
--- /dev/null
+++ b/toolchain-layer/recipes-devtools/binutils/binutils-2.20.1/binutils-poison.patch
@@ -0,0 +1,253 @@
1This patch is recived from Mark Hatle
2
3purpose: warn for uses of system directories when cross linking
4
5Signed-Off-By: Mark Hatle <mark.hatle@windriver.com>
6
7Code Merged from Sourcery G++ binutils 2.19 - 4.4-277
8
92008-07-02 Joseph Myers <joseph@codesourcery.com>
10
11 ld/
12 * ld.h (args_type): Add error_poison_system_directories.
13 * ld.texinfo (--error-poison-system-directories): Document.
14 * ldfile.c (ldfile_add_library_path): Check
15 command_line.error_poison_system_directories.
16 * ldmain.c (main): Initialize
17 command_line.error_poison_system_directories.
18 * lexsup.c (enum option_values): Add
19 OPTION_ERROR_POISON_SYSTEM_DIRECTORIES.
20 (ld_options): Add --error-poison-system-directories.
21 (parse_args): Handle new option.
22
232007-06-13 Joseph Myers <joseph@codesourcery.com>
24
25 ld/
26 * config.in: Regenerate.
27 * ld.h (args_type): Add poison_system_directories.
28 * ld.texinfo (--no-poison-system-directories): Document.
29 * ldfile.c (ldfile_add_library_path): Check
30 command_line.poison_system_directories.
31 * ldmain.c (main): Initialize
32 command_line.poison_system_directories.
33 * lexsup.c (enum option_values): Add
34 OPTION_NO_POISON_SYSTEM_DIRECTORIES.
35 (ld_options): Add --no-poison-system-directories.
36 (parse_args): Handle new option.
37
382007-04-20 Joseph Myers <joseph@codesourcery.com>
39
40 Merge from Sourcery G++ binutils 2.17:
41
42 2007-03-20 Joseph Myers <joseph@codesourcery.com>
43 Based on patch by Mark Hatle <mark.hatle@windriver.com>.
44 ld/
45 * configure.in (--enable-poison-system-directories): New option.
46 * configure, config.in: Regenerate.
47 * ldfile.c (ldfile_add_library_path): If
48 ENABLE_POISON_SYSTEM_DIRECTORIES defined, warn for use of /lib,
49 /usr/lib, /usr/local/lib or /usr/X11R6/lib.
50
51Index: binutils-2.20.1/ld/config.in
52===================================================================
53--- binutils-2.20.1.orig/ld/config.in
54+++ binutils-2.20.1/ld/config.in
55@@ -4,6 +4,9 @@
56 language is requested. */
57 #undef ENABLE_NLS
58
59+/* Define to warn for use of native system library directories */
60+#undef ENABLE_POISON_SYSTEM_DIRECTORIES
61+
62 /* Additional extension a shared object might have. */
63 #undef EXTRA_SHLIB_EXTENSION
64
65Index: binutils-2.20.1/ld/configure.in
66===================================================================
67--- binutils-2.20.1.orig/ld/configure.in
68+++ binutils-2.20.1/ld/configure.in
69@@ -69,6 +69,16 @@ AC_SUBST(use_sysroot)
70 AC_SUBST(TARGET_SYSTEM_ROOT)
71 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
72
73+AC_ARG_ENABLE([poison-system-directories],
74+ AS_HELP_STRING([--enable-poison-system-directories],
75+ [warn for use of native system library directories]),,
76+ [enable_poison_system_directories=no])
77+if test "x${enable_poison_system_directories}" = "xyes"; then
78+ AC_DEFINE([ENABLE_POISON_SYSTEM_DIRECTORIES],
79+ [1],
80+ [Define to warn for use of native system library directories])
81+fi
82+
83 AC_ARG_ENABLE([got],
84 AS_HELP_STRING([--enable-got=<type>],
85 [GOT handling scheme (target, single, negative, multigot)]),
86Index: binutils-2.20.1/ld/ld.h
87===================================================================
88--- binutils-2.20.1.orig/ld/ld.h
89+++ binutils-2.20.1/ld/ld.h
90@@ -176,6 +176,14 @@ typedef struct {
91 input files. */
92 bfd_boolean accept_unknown_input_arch;
93
94+ /* If TRUE (the default) warn for uses of system directories when
95+ cross linking. */
96+ bfd_boolean poison_system_directories;
97+
98+ /* If TRUE (default FALSE) give an error for uses of system
99+ directories when cross linking instead of a warning. */
100+ bfd_boolean error_poison_system_directories;
101+
102 /* Big or little endian as set on command line. */
103 enum endian_enum endian;
104
105Index: binutils-2.20.1/ld/ld.texinfo
106===================================================================
107--- binutils-2.20.1.orig/ld/ld.texinfo
108+++ binutils-2.20.1/ld/ld.texinfo
109@@ -2084,6 +2084,18 @@ string identifying the original linked f
110
111 Passing @code{none} for @var{style} disables the setting from any
112 @code{--build-id} options earlier on the command line.
113+
114+@kindex --no-poison-system-directories
115+@item --no-poison-system-directories
116+Do not warn for @option{-L} options using system directories such as
117+@file{/usr/lib} when cross linking. This option is intended for use
118+in chroot environments when such directories contain the correct
119+libraries for the target system rather than the host.
120+
121+@kindex --error-poison-system-directories
122+@item --error-poison-system-directories
123+Give an error instead of a warning for @option{-L} options using
124+system directories when cross linking.
125 @end table
126
127 @c man end
128Index: binutils-2.20.1/ld/ldfile.c
129===================================================================
130--- binutils-2.20.1.orig/ld/ldfile.c
131+++ binutils-2.20.1/ld/ldfile.c
132@@ -120,6 +120,23 @@ ldfile_add_library_path (const char *nam
133 {
134 new_dirs->name = xstrdup (name);
135 new_dirs->sysrooted = is_sysrooted_pathname (name, FALSE);
136+
137+#ifdef ENABLE_POISON_SYSTEM_DIRECTORIES
138+ if (command_line.poison_system_directories
139+ && ((!strncmp (name, "/lib", 4))
140+ || (!strncmp (name, "/usr/lib", 8))
141+ || (!strncmp (name, "/usr/local/lib", 14))
142+ || (!strncmp (name, "/usr/X11R6/lib", 14))))
143+ {
144+ if (command_line.error_poison_system_directories)
145+ einfo (_("%X%P: error: library search path \"%s\" is unsafe for "
146+ "cross-compilation\n"), name);
147+ else
148+ einfo (_("%P: warning: library search path \"%s\" is unsafe for "
149+ "cross-compilation\n"), name);
150+ }
151+#endif
152+
153 }
154 }
155
156Index: binutils-2.20.1/ld/ldmain.c
157===================================================================
158--- binutils-2.20.1.orig/ld/ldmain.c
159+++ binutils-2.20.1/ld/ldmain.c
160@@ -252,6 +252,8 @@ main (int argc, char **argv)
161 command_line.warn_mismatch = TRUE;
162 command_line.warn_search_mismatch = TRUE;
163 command_line.check_section_addresses = -1;
164+ command_line.poison_system_directories = TRUE;
165+ command_line.error_poison_system_directories = FALSE;
166
167 /* We initialize DEMANGLING based on the environment variable
168 COLLECT_NO_DEMANGLE. The gcc collect2 program will demangle the
169Index: binutils-2.20.1/ld/lexsup.c
170===================================================================
171--- binutils-2.20.1.orig/ld/lexsup.c
172+++ binutils-2.20.1/ld/lexsup.c
173@@ -166,7 +166,9 @@ enum option_values
174 OPTION_WARN_SHARED_TEXTREL,
175 OPTION_WARN_ALTERNATE_EM,
176 OPTION_REDUCE_MEMORY_OVERHEADS,
177- OPTION_DEFAULT_SCRIPT
178+ OPTION_DEFAULT_SCRIPT,
179+ OPTION_NO_POISON_SYSTEM_DIRECTORIES,
180+ OPTION_ERROR_POISON_SYSTEM_DIRECTORIES
181 };
182
183 /* The long options. This structure is used for both the option
184@@ -575,6 +577,14 @@ static const struct ld_option ld_options
185 TWO_DASHES },
186 { {"wrap", required_argument, NULL, OPTION_WRAP},
187 '\0', N_("SYMBOL"), N_("Use wrapper functions for SYMBOL"), TWO_DASHES },
188+ { {"no-poison-system-directories", no_argument, NULL,
189+ OPTION_NO_POISON_SYSTEM_DIRECTORIES},
190+ '\0', NULL, N_("Do not warn for -L options using system directories"),
191+ TWO_DASHES },
192+ { {"error-poison-system-directories", no_argument, NULL,
193+ OPTION_ERROR_POISON_SYSTEM_DIRECTORIES},
194+ '\0', NULL, N_("Give an error for -L options using system directories"),
195+ TWO_DASHES },
196 };
197
198 #define OPTION_COUNT ARRAY_SIZE (ld_options)
199@@ -1480,6 +1490,14 @@ parse_args (unsigned argc, char **argv)
200 einfo (_("%P%X: --hash-size needs a numeric argument\n"));
201 }
202 break;
203+
204+ case OPTION_NO_POISON_SYSTEM_DIRECTORIES:
205+ command_line.poison_system_directories = FALSE;
206+ break;
207+
208+ case OPTION_ERROR_POISON_SYSTEM_DIRECTORIES:
209+ command_line.error_poison_system_directories = TRUE;
210+ break;
211 }
212 }
213
214diff -ur binutils-2.20.1.orig/ld/configure binutils-2.20.1/ld/configure
215--- binutils-2.20.1.orig/ld/configure 2010-03-03 08:06:22.000000000 -0600
216+++ binutils-2.20.1/ld/configure 2010-09-30 11:19:35.776990594 -0500
217@@ -901,6 +904,7 @@
218 enable_targets
219 enable_64_bit_bfd
220 with_sysroot
221+enable_poison_system_directories
222 enable_got
223 enable_werror
224 enable_build_warnings
225@@ -1548,6 +1552,8 @@
226 (and sometimes confusing) to the casual installer
227 --enable-targets alternative target configurations
228 --enable-64-bit-bfd 64-bit support (on hosts with narrower word sizes)
229+ --enable-poison-system-directories
230+ warn for use of native system library directories
231 --enable-got=<type> GOT handling scheme (target, single, negative,
232 multigot)
233 --enable-werror treat compile warnings as errors
234@@ -4302,6 +4334,19 @@
235
236
237
238+# Check whether --enable-poison-system-directories was given.
239+if test "${enable_poison_system_directories+set}" = set; then :
240+ enableval=$enable_poison_system_directories;
241+else
242+ enable_poison_system_directories=no
243+fi
244+
245+if test "x${enable_poison_system_directories}" = "xyes"; then
246+
247+$as_echo "#define ENABLE_POISON_SYSTEM_DIRECTORIES 1" >>confdefs.h
248+
249+fi
250+
251 # Check whether --enable-got was given.
252 if test "${enable_got+set}" = set; then :
253 enableval=$enable_got; case "${enableval}" in
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