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authorKhem Raj <raj.khem@gmail.com>2016-01-30 06:28:38 +0000
committerRichard Purdie <richard.purdie@linuxfoundation.org>2016-02-01 11:20:18 +0000
commitc85c54f7f8cf253687464cfbe19cf7f305868578 (patch)
tree99389d9f6589c71a9c5e665698423f84942e23b4 /meta/recipes-devtools/binutils/binutils/0009-warn-for-uses-of-system-directories-when-cross-linki.patch
parentba2fdcddafcd7c0c42eecd740698a722c2d75144 (diff)
downloadpoky-c85c54f7f8cf253687464cfbe19cf7f305868578.tar.gz
binutils: Upgrade to 2.26
(From OE-Core rev: 86ade2cc2553c942d9526c5323a11ae151653505) Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/recipes-devtools/binutils/binutils/0009-warn-for-uses-of-system-directories-when-cross-linki.patch')
-rw-r--r--meta/recipes-devtools/binutils/binutils/0009-warn-for-uses-of-system-directories-when-cross-linki.patch273
1 files changed, 273 insertions, 0 deletions
diff --git a/meta/recipes-devtools/binutils/binutils/0009-warn-for-uses-of-system-directories-when-cross-linki.patch b/meta/recipes-devtools/binutils/binutils/0009-warn-for-uses-of-system-directories-when-cross-linki.patch
new file mode 100644
index 0000000000..b14ead0942
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/0009-warn-for-uses-of-system-directories-when-cross-linki.patch
@@ -0,0 +1,273 @@
1From e5d18410cb07da09f854b9568f51a873f1166d2a Mon Sep 17 00:00:00 2001
2From: Khem Raj <raj.khem@gmail.com>
3Date: Fri, 15 Jan 2016 06:31:09 +0000
4Subject: [PATCH 09/12] warn for uses of system directories when cross linking
5
62008-07-02 Joseph Myers <joseph@codesourcery.com>
7
8 ld/
9 * ld.h (args_type): Add error_poison_system_directories.
10 * ld.texinfo (--error-poison-system-directories): Document.
11 * ldfile.c (ldfile_add_library_path): Check
12 command_line.error_poison_system_directories.
13 * ldmain.c (main): Initialize
14 command_line.error_poison_system_directories.
15 * lexsup.c (enum option_values): Add
16 OPTION_ERROR_POISON_SYSTEM_DIRECTORIES.
17 (ld_options): Add --error-poison-system-directories.
18 (parse_args): Handle new option.
19
202007-06-13 Joseph Myers <joseph@codesourcery.com>
21
22 ld/
23 * config.in: Regenerate.
24 * ld.h (args_type): Add poison_system_directories.
25 * ld.texinfo (--no-poison-system-directories): Document.
26 * ldfile.c (ldfile_add_library_path): Check
27 command_line.poison_system_directories.
28 * ldmain.c (main): Initialize
29 command_line.poison_system_directories.
30 * lexsup.c (enum option_values): Add
31 OPTION_NO_POISON_SYSTEM_DIRECTORIES.
32 (ld_options): Add --no-poison-system-directories.
33 (parse_args): Handle new option.
34
352007-04-20 Joseph Myers <joseph@codesourcery.com>
36
37 Merge from Sourcery G++ binutils 2.17:
38
39 2007-03-20 Joseph Myers <joseph@codesourcery.com>
40 Based on patch by Mark Hatle <mark.hatle@windriver.com>.
41 ld/
42 * configure.in (--enable-poison-system-directories): New option.
43 * configure, config.in: Regenerate.
44 * ldfile.c (ldfile_add_library_path): If
45 ENABLE_POISON_SYSTEM_DIRECTORIES defined, warn for use of /lib,
46 /usr/lib, /usr/local/lib or /usr/X11R6/lib.
47
48Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
49Signed-off-by: Scott Garman <scott.a.garman@intel.com>
50Signed-off-by: Khem Raj <raj.khem@gmail.com>
51---
52Upstream-Status: Pending
53
54 ld/config.in | 3 +++
55 ld/configure | 16 ++++++++++++++++
56 ld/configure.ac | 10 ++++++++++
57 ld/ld.h | 8 ++++++++
58 ld/ld.texinfo | 12 ++++++++++++
59 ld/ldfile.c | 17 +++++++++++++++++
60 ld/ldlex.h | 2 ++
61 ld/ldmain.c | 2 ++
62 ld/lexsup.c | 16 ++++++++++++++++
63 9 files changed, 86 insertions(+)
64
65diff --git a/ld/config.in b/ld/config.in
66index 276fb77..35c58eb 100644
67--- a/ld/config.in
68+++ b/ld/config.in
69@@ -14,6 +14,9 @@
70 language is requested. */
71 #undef ENABLE_NLS
72
73+/* Define to warn for use of native system library directories */
74+#undef ENABLE_POISON_SYSTEM_DIRECTORIES
75+
76 /* Additional extension a shared object might have. */
77 #undef EXTRA_SHLIB_EXTENSION
78
79diff --git a/ld/configure b/ld/configure
80index 7a20e4e..7cff36c 100755
81--- a/ld/configure
82+++ b/ld/configure
83@@ -790,6 +790,7 @@ with_lib_path
84 enable_targets
85 enable_64_bit_bfd
86 with_sysroot
87+enable_poison_system_directories
88 enable_gold
89 enable_got
90 enable_compressed_debug_sections
91@@ -1446,6 +1447,8 @@ Optional Features:
92 --disable-largefile omit support for large files
93 --enable-targets alternative target configurations
94 --enable-64-bit-bfd 64-bit support (on hosts with narrower word sizes)
95+ --enable-poison-system-directories
96+ warn for use of native system library directories
97 --enable-gold[=ARG] build gold [ARG={default,yes,no}]
98 --enable-got=<type> GOT handling scheme (target, single, negative,
99 multigot)
100@@ -16306,6 +16309,19 @@ fi
101
102
103
104+# Check whether --enable-poison-system-directories was given.
105+if test "${enable_poison_system_directories+set}" = set; then :
106+ enableval=$enable_poison_system_directories;
107+else
108+ enable_poison_system_directories=no
109+fi
110+
111+if test "x${enable_poison_system_directories}" = "xyes"; then
112+
113+$as_echo "#define ENABLE_POISON_SYSTEM_DIRECTORIES 1" >>confdefs.h
114+
115+fi
116+
117 # Check whether --enable-gold was given.
118 if test "${enable_gold+set}" = set; then :
119 enableval=$enable_gold; case "${enableval}" in
120diff --git a/ld/configure.ac b/ld/configure.ac
121index 188172d..2cd8443 100644
122--- a/ld/configure.ac
123+++ b/ld/configure.ac
124@@ -95,6 +95,16 @@ AC_SUBST(use_sysroot)
125 AC_SUBST(TARGET_SYSTEM_ROOT)
126 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
127
128+AC_ARG_ENABLE([poison-system-directories],
129+ AS_HELP_STRING([--enable-poison-system-directories],
130+ [warn for use of native system library directories]),,
131+ [enable_poison_system_directories=no])
132+if test "x${enable_poison_system_directories}" = "xyes"; then
133+ AC_DEFINE([ENABLE_POISON_SYSTEM_DIRECTORIES],
134+ [1],
135+ [Define to warn for use of native system library directories])
136+fi
137+
138 dnl Use --enable-gold to decide if this linker should be the default.
139 dnl "install_as_default" is set to false if gold is the default linker.
140 dnl "installed_linker" is the installed BFD linker name.
141diff --git a/ld/ld.h b/ld/ld.h
142index d84ec4e..3476b26 100644
143--- a/ld/ld.h
144+++ b/ld/ld.h
145@@ -164,6 +164,14 @@ typedef struct {
146 /* If set, display the target memory usage (per memory region). */
147 bfd_boolean print_memory_usage;
148
149+ /* If TRUE (the default) warn for uses of system directories when
150+ cross linking. */
151+ bfd_boolean poison_system_directories;
152+
153+ /* If TRUE (default FALSE) give an error for uses of system
154+ directories when cross linking instead of a warning. */
155+ bfd_boolean error_poison_system_directories;
156+
157 /* Big or little endian as set on command line. */
158 enum endian_enum endian;
159
160diff --git a/ld/ld.texinfo b/ld/ld.texinfo
161index 1dd7492..fb1438e 100644
162--- a/ld/ld.texinfo
163+++ b/ld/ld.texinfo
164@@ -2332,6 +2332,18 @@ string identifying the original linked file does not change.
165
166 Passing @code{none} for @var{style} disables the setting from any
167 @code{--build-id} options earlier on the command line.
168+
169+@kindex --no-poison-system-directories
170+@item --no-poison-system-directories
171+Do not warn for @option{-L} options using system directories such as
172+@file{/usr/lib} when cross linking. This option is intended for use
173+in chroot environments when such directories contain the correct
174+libraries for the target system rather than the host.
175+
176+@kindex --error-poison-system-directories
177+@item --error-poison-system-directories
178+Give an error instead of a warning for @option{-L} options using
179+system directories when cross linking.
180 @end table
181
182 @c man end
183diff --git a/ld/ldfile.c b/ld/ldfile.c
184index 96f9ecc..af231c0 100644
185--- a/ld/ldfile.c
186+++ b/ld/ldfile.c
187@@ -114,6 +114,23 @@ ldfile_add_library_path (const char *name, bfd_boolean cmdline)
188 new_dirs->name = concat (ld_sysroot, name + 1, (const char *) NULL);
189 else
190 new_dirs->name = xstrdup (name);
191+
192+#ifdef ENABLE_POISON_SYSTEM_DIRECTORIES
193+ if (command_line.poison_system_directories
194+ && ((!strncmp (name, "/lib", 4))
195+ || (!strncmp (name, "/usr/lib", 8))
196+ || (!strncmp (name, "/usr/local/lib", 14))
197+ || (!strncmp (name, "/usr/X11R6/lib", 14))))
198+ {
199+ if (command_line.error_poison_system_directories)
200+ einfo (_("%X%P: error: library search path \"%s\" is unsafe for "
201+ "cross-compilation\n"), name);
202+ else
203+ einfo (_("%P: warning: library search path \"%s\" is unsafe for "
204+ "cross-compilation\n"), name);
205+ }
206+#endif
207+
208 }
209
210 /* Try to open a BFD for a lang_input_statement. */
211diff --git a/ld/ldlex.h b/ld/ldlex.h
212index 6f11e7b..0ca3110 100644
213--- a/ld/ldlex.h
214+++ b/ld/ldlex.h
215@@ -144,6 +144,8 @@ enum option_values
216 OPTION_PRINT_MEMORY_USAGE,
217 OPTION_REQUIRE_DEFINED_SYMBOL,
218 OPTION_ORPHAN_HANDLING,
219+ OPTION_NO_POISON_SYSTEM_DIRECTORIES,
220+ OPTION_ERROR_POISON_SYSTEM_DIRECTORIES,
221 };
222
223 /* The initial parser states. */
224diff --git a/ld/ldmain.c b/ld/ldmain.c
225index bb0b9cc..a23c56c 100644
226--- a/ld/ldmain.c
227+++ b/ld/ldmain.c
228@@ -257,6 +257,8 @@ main (int argc, char **argv)
229 command_line.warn_mismatch = TRUE;
230 command_line.warn_search_mismatch = TRUE;
231 command_line.check_section_addresses = -1;
232+ command_line.poison_system_directories = TRUE;
233+ command_line.error_poison_system_directories = FALSE;
234
235 /* We initialize DEMANGLING based on the environment variable
236 COLLECT_NO_DEMANGLE. The gcc collect2 program will demangle the
237diff --git a/ld/lexsup.c b/ld/lexsup.c
238index 4cad209..173b17f 100644
239--- a/ld/lexsup.c
240+++ b/ld/lexsup.c
241@@ -530,6 +530,14 @@ static const struct ld_option ld_options[] =
242 { {"orphan-handling", required_argument, NULL, OPTION_ORPHAN_HANDLING},
243 '\0', N_("=MODE"), N_("Control how orphan sections are handled."),
244 TWO_DASHES },
245+ { {"no-poison-system-directories", no_argument, NULL,
246+ OPTION_NO_POISON_SYSTEM_DIRECTORIES},
247+ '\0', NULL, N_("Do not warn for -L options using system directories"),
248+ TWO_DASHES },
249+ { {"error-poison-system-directories", no_argument, NULL,
250+ + OPTION_ERROR_POISON_SYSTEM_DIRECTORIES},
251+ '\0', NULL, N_("Give an error for -L options using system directories"),
252+ TWO_DASHES },
253 };
254
255 #define OPTION_COUNT ARRAY_SIZE (ld_options)
256@@ -1550,6 +1558,14 @@ parse_args (unsigned argc, char **argv)
257 einfo (_("%P%F: invalid argument to option"
258 " \"--orphan-handling\"\n"));
259 break;
260+
261+ case OPTION_NO_POISON_SYSTEM_DIRECTORIES:
262+ command_line.poison_system_directories = FALSE;
263+ break;
264+
265+ case OPTION_ERROR_POISON_SYSTEM_DIRECTORIES:
266+ command_line.error_poison_system_directories = TRUE;
267+ break;
268 }
269 }
270
271--
2722.7.0
273