|
@@ -0,0 +1,276 @@
|
|
|
|
+Patch adapted to binutils 2.23.2 and extended to use
|
|
|
|
+BR_COMPILER_PARANOID_UNSAFE_PATH by Thomas Petazzoni.
|
|
|
|
+
|
|
|
|
+[Gustavo: adapt to binutils 2.25]
|
|
|
|
+Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
|
|
|
|
+Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
|
|
|
|
+
|
|
|
|
+Upstream-Status: Inappropriate [distribution: codesourcery]
|
|
|
|
+
|
|
|
|
+Patch originally created by Mark Hatle, forward-ported to
|
|
|
|
+binutils 2.21 by Scott Garman.
|
|
|
|
+
|
|
|
|
+purpose: warn for uses of system directories when cross linking
|
|
|
|
+
|
|
|
|
+Code Merged from Sourcery G++ binutils 2.19 - 4.4-277
|
|
|
|
+
|
|
|
|
+2008-07-02 Joseph Myers <joseph@codesourcery.com>
|
|
|
|
+
|
|
|
|
+ ld/
|
|
|
|
+ * ld.h (args_type): Add error_poison_system_directories.
|
|
|
|
+ * ld.texinfo (--error-poison-system-directories): Document.
|
|
|
|
+ * ldfile.c (ldfile_add_library_path): Check
|
|
|
|
+ command_line.error_poison_system_directories.
|
|
|
|
+ * ldmain.c (main): Initialize
|
|
|
|
+ command_line.error_poison_system_directories.
|
|
|
|
+ * lexsup.c (enum option_values): Add
|
|
|
|
+ OPTION_ERROR_POISON_SYSTEM_DIRECTORIES.
|
|
|
|
+ (ld_options): Add --error-poison-system-directories.
|
|
|
|
+ (parse_args): Handle new option.
|
|
|
|
+
|
|
|
|
+2007-06-13 Joseph Myers <joseph@codesourcery.com>
|
|
|
|
+
|
|
|
|
+ ld/
|
|
|
|
+ * config.in: Regenerate.
|
|
|
|
+ * ld.h (args_type): Add poison_system_directories.
|
|
|
|
+ * ld.texinfo (--no-poison-system-directories): Document.
|
|
|
|
+ * ldfile.c (ldfile_add_library_path): Check
|
|
|
|
+ command_line.poison_system_directories.
|
|
|
|
+ * ldmain.c (main): Initialize
|
|
|
|
+ command_line.poison_system_directories.
|
|
|
|
+ * lexsup.c (enum option_values): Add
|
|
|
|
+ OPTION_NO_POISON_SYSTEM_DIRECTORIES.
|
|
|
|
+ (ld_options): Add --no-poison-system-directories.
|
|
|
|
+ (parse_args): Handle new option.
|
|
|
|
+
|
|
|
|
+2007-04-20 Joseph Myers <joseph@codesourcery.com>
|
|
|
|
+
|
|
|
|
+ Merge from Sourcery G++ binutils 2.17:
|
|
|
|
+
|
|
|
|
+ 2007-03-20 Joseph Myers <joseph@codesourcery.com>
|
|
|
|
+ Based on patch by Mark Hatle <mark.hatle@windriver.com>.
|
|
|
|
+ ld/
|
|
|
|
+ * configure.ac (--enable-poison-system-directories): New option.
|
|
|
|
+ * configure, config.in: Regenerate.
|
|
|
|
+ * ldfile.c (ldfile_add_library_path): If
|
|
|
|
+ ENABLE_POISON_SYSTEM_DIRECTORIES defined, warn for use of /lib,
|
|
|
|
+ /usr/lib, /usr/local/lib or /usr/X11R6/lib.
|
|
|
|
+
|
|
|
|
+Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
|
|
|
|
+Signed-off-by: Scott Garman <scott.a.garman@intel.com>
|
|
|
|
+
|
|
|
|
+diff -Nura a/ld/config.in b/ld/config.in
|
|
|
|
+--- a/ld/config.in 2014-10-14 04:32:04.000000000 -0300
|
|
|
|
++++ b/ld/config.in 2014-12-24 08:07:28.997918918 -0300
|
|
|
|
+@@ -11,6 +11,9 @@
|
|
|
|
+ language is requested. */
|
|
|
|
+ #undef ENABLE_NLS
|
|
|
|
+
|
|
|
|
++/* Define to warn for use of native system library directories */
|
|
|
|
++#undef ENABLE_POISON_SYSTEM_DIRECTORIES
|
|
|
|
++
|
|
|
|
+ /* Additional extension a shared object might have. */
|
|
|
|
+ #undef EXTRA_SHLIB_EXTENSION
|
|
|
|
+
|
|
|
|
+diff -Nura a/ld/configure b/ld/configure
|
|
|
|
+--- a/ld/configure 2014-12-23 11:22:07.000000000 -0300
|
|
|
|
++++ b/ld/configure 2014-12-24 08:07:29.002919088 -0300
|
|
|
|
+@@ -783,6 +783,7 @@
|
|
|
|
+ enable_targets
|
|
|
|
+ enable_64_bit_bfd
|
|
|
|
+ with_sysroot
|
|
|
|
++enable_poison_system_directories
|
|
|
|
+ enable_gold
|
|
|
|
+ enable_got
|
|
|
|
+ enable_werror
|
|
|
|
+@@ -1439,6 +1440,8 @@
|
|
|
|
+ --disable-largefile omit support for large files
|
|
|
|
+ --enable-targets alternative target configurations
|
|
|
|
+ --enable-64-bit-bfd 64-bit support (on hosts with narrower word sizes)
|
|
|
|
++ --enable-poison-system-directories
|
|
|
|
++ warn for use of native system library directories
|
|
|
|
+ --enable-gold[=ARG] build gold [ARG={default,yes,no}]
|
|
|
|
+ --enable-got=<type> GOT handling scheme (target, single, negative,
|
|
|
|
+ multigot)
|
|
|
|
+@@ -15487,7 +15490,18 @@
|
|
|
|
+ fi
|
|
|
|
+
|
|
|
|
+
|
|
|
|
++# Check whether --enable-poison-system-directories was given.
|
|
|
|
++if test "${enable_poison_system_directories+set}" = set; then :
|
|
|
|
++ enableval=$enable_poison_system_directories;
|
|
|
|
++else
|
|
|
|
++ enable_poison_system_directories=no
|
|
|
|
++fi
|
|
|
|
++
|
|
|
|
++if test "x${enable_poison_system_directories}" = "xyes"; then
|
|
|
|
+
|
|
|
|
++$as_echo "#define ENABLE_POISON_SYSTEM_DIRECTORIES 1" >>confdefs.h
|
|
|
|
++
|
|
|
|
++fi
|
|
|
|
+
|
|
|
|
+ # Check whether --enable-got was given.
|
|
|
|
+ if test "${enable_got+set}" = set; then :
|
|
|
|
+diff -Nura a/ld/configure.ac b/ld/configure.ac
|
|
|
|
+--- a/ld/configure.ac 2014-10-14 04:32:04.000000000 -0300
|
|
|
|
++++ b/ld/configure.ac 2014-12-24 08:07:29.002919088 -0300
|
|
|
|
+@@ -94,6 +94,16 @@
|
|
|
|
+ AC_SUBST(TARGET_SYSTEM_ROOT)
|
|
|
|
+ AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
|
|
|
|
+
|
|
|
|
++AC_ARG_ENABLE([poison-system-directories],
|
|
|
|
++ AS_HELP_STRING([--enable-poison-system-directories],
|
|
|
|
++ [warn for use of native system library directories]),,
|
|
|
|
++ [enable_poison_system_directories=no])
|
|
|
|
++if test "x${enable_poison_system_directories}" = "xyes"; then
|
|
|
|
++ AC_DEFINE([ENABLE_POISON_SYSTEM_DIRECTORIES],
|
|
|
|
++ [1],
|
|
|
|
++ [Define to warn for use of native system library directories])
|
|
|
|
++fi
|
|
|
|
++
|
|
|
|
+ dnl Use --enable-gold to decide if this linker should be the default.
|
|
|
|
+ dnl "install_as_default" is set to false if gold is the default linker.
|
|
|
|
+ dnl "installed_linker" is the installed BFD linker name.
|
|
|
|
+diff -Nura a/ld/ldfile.c b/ld/ldfile.c
|
|
|
|
+--- a/ld/ldfile.c 2014-10-14 04:32:04.000000000 -0300
|
|
|
|
++++ b/ld/ldfile.c 2014-12-24 08:07:29.002919088 -0300
|
|
|
|
+@@ -114,6 +114,23 @@
|
|
|
|
+ new_dirs->name = concat (ld_sysroot, name + 1, (const char *) NULL);
|
|
|
|
+ else
|
|
|
|
+ new_dirs->name = xstrdup (name);
|
|
|
|
++
|
|
|
|
++#ifdef ENABLE_POISON_SYSTEM_DIRECTORIES
|
|
|
|
++ if (command_line.poison_system_directories
|
|
|
|
++ && ((!strncmp (name, "/lib", 4))
|
|
|
|
++ || (!strncmp (name, "/usr/lib", 8))
|
|
|
|
++ || (!strncmp (name, "/usr/local/lib", 14))
|
|
|
|
++ || (!strncmp (name, "/usr/X11R6/lib", 14))))
|
|
|
|
++ {
|
|
|
|
++ if (command_line.error_poison_system_directories)
|
|
|
|
++ einfo (_("%X%P: error: library search path \"%s\" is unsafe for "
|
|
|
|
++ "cross-compilation\n"), name);
|
|
|
|
++ else
|
|
|
|
++ einfo (_("%P: warning: library search path \"%s\" is unsafe for "
|
|
|
|
++ "cross-compilation\n"), name);
|
|
|
|
++ }
|
|
|
|
++#endif
|
|
|
|
++
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ /* Try to open a BFD for a lang_input_statement. */
|
|
|
|
+diff -Nura a/ld/ld.h b/ld/ld.h
|
|
|
|
+--- a/ld/ld.h 2014-10-14 04:32:04.000000000 -0300
|
|
|
|
++++ b/ld/ld.h 2014-12-24 08:07:29.003919122 -0300
|
|
|
|
+@@ -161,6 +161,14 @@
|
|
|
|
+ /* If TRUE we'll just print the default output on stdout. */
|
|
|
|
+ bfd_boolean print_output_format;
|
|
|
|
+
|
|
|
|
++ /* If TRUE (the default) warn for uses of system directories when
|
|
|
|
++ cross linking. */
|
|
|
|
++ bfd_boolean poison_system_directories;
|
|
|
|
++
|
|
|
|
++ /* If TRUE (default FALSE) give an error for uses of system
|
|
|
|
++ directories when cross linking instead of a warning. */
|
|
|
|
++ bfd_boolean error_poison_system_directories;
|
|
|
|
++
|
|
|
|
+ /* Big or little endian as set on command line. */
|
|
|
|
+ enum endian_enum endian;
|
|
|
|
+
|
|
|
|
+diff -Nura a/ld/ldlex.h b/ld/ldlex.h
|
|
|
|
+--- a/ld/ldlex.h 2014-11-04 06:54:41.000000000 -0300
|
|
|
|
++++ b/ld/ldlex.h 2014-12-24 08:09:47.477644294 -0300
|
|
|
|
+@@ -140,6 +140,8 @@
|
|
|
|
+ OPTION_IGNORE_UNRESOLVED_SYMBOL,
|
|
|
|
+ OPTION_PUSH_STATE,
|
|
|
|
+ OPTION_POP_STATE,
|
|
|
|
++ OPTION_NO_POISON_SYSTEM_DIRECTORIES,
|
|
|
|
++ OPTION_ERROR_POISON_SYSTEM_DIRECTORIES,
|
|
|
|
+ };
|
|
|
|
+
|
|
|
|
+ /* The initial parser states. */
|
|
|
|
+diff -Nura a/ld/ldmain.c b/ld/ldmain.c
|
|
|
|
+--- a/ld/ldmain.c 2014-10-14 04:32:04.000000000 -0300
|
|
|
|
++++ b/ld/ldmain.c 2014-12-24 08:07:29.003919122 -0300
|
|
|
|
+@@ -266,6 +266,8 @@
|
|
|
|
+ command_line.warn_mismatch = TRUE;
|
|
|
|
+ command_line.warn_search_mismatch = TRUE;
|
|
|
|
+ command_line.check_section_addresses = -1;
|
|
|
|
++ command_line.poison_system_directories = TRUE;
|
|
|
|
++ command_line.error_poison_system_directories = FALSE;
|
|
|
|
+
|
|
|
|
+ /* We initialize DEMANGLING based on the environment variable
|
|
|
|
+ COLLECT_NO_DEMANGLE. The gcc collect2 program will demangle the
|
|
|
|
+diff -Nura a/ld/ld.texinfo b/ld/ld.texinfo
|
|
|
|
+--- a/ld/ld.texinfo 2014-12-23 05:47:10.000000000 -0300
|
|
|
|
++++ b/ld/ld.texinfo 2014-12-24 08:07:29.005919191 -0300
|
|
|
|
+@@ -2212,6 +2212,18 @@
|
|
|
|
+
|
|
|
|
+ Passing @code{none} for @var{style} disables the setting from any
|
|
|
|
+ @code{--build-id} options earlier on the command line.
|
|
|
|
++
|
|
|
|
++@kindex --no-poison-system-directories
|
|
|
|
++@item --no-poison-system-directories
|
|
|
|
++Do not warn for @option{-L} options using system directories such as
|
|
|
|
++@file{/usr/lib} when cross linking. This option is intended for use
|
|
|
|
++in chroot environments when such directories contain the correct
|
|
|
|
++libraries for the target system rather than the host.
|
|
|
|
++
|
|
|
|
++@kindex --error-poison-system-directories
|
|
|
|
++@item --error-poison-system-directories
|
|
|
|
++Give an error instead of a warning for @option{-L} options using
|
|
|
|
++system directories when cross linking.
|
|
|
|
+ @end table
|
|
|
|
+
|
|
|
|
+ @c man end
|
|
|
|
+diff -Nura a/ld/lexsup.c b/ld/lexsup.c
|
|
|
|
+--- a/ld/lexsup.c 2014-11-04 06:54:41.000000000 -0300
|
|
|
|
++++ b/ld/lexsup.c 2014-12-24 08:48:50.136583414 -0300
|
|
|
|
+@@ -513,6 +513,14 @@
|
|
|
|
+ { {"pop-state", no_argument, NULL, OPTION_POP_STATE},
|
|
|
|
+ '\0', NULL, N_("Pop state of flags governing input file handling"),
|
|
|
|
+ TWO_DASHES },
|
|
|
|
++ { {"no-poison-system-directories", no_argument, NULL,
|
|
|
|
++ OPTION_NO_POISON_SYSTEM_DIRECTORIES},
|
|
|
|
++ '\0', NULL, N_("Do not warn for -L options using system directories"),
|
|
|
|
++ TWO_DASHES },
|
|
|
|
++ { {"error-poison-system-directories", no_argument, NULL,
|
|
|
|
++ OPTION_ERROR_POISON_SYSTEM_DIRECTORIES},
|
|
|
|
++ '\0', NULL, N_("Give an error for -L options using system directories"),
|
|
|
|
++ TWO_DASHES },
|
|
|
|
+ };
|
|
|
|
+
|
|
|
|
+ #define OPTION_COUNT ARRAY_SIZE (ld_options)
|
|
|
|
+@@ -525,6 +533,7 @@
|
|
|
|
+ int ingroup = 0;
|
|
|
|
+ char *default_dirlist = NULL;
|
|
|
|
+ char *shortopts;
|
|
|
|
++ char *BR_paranoid_env;
|
|
|
|
+ struct option *longopts;
|
|
|
|
+ struct option *really_longopts;
|
|
|
|
+ int last_optind;
|
|
|
|
+@@ -1458,6 +1467,14 @@
|
|
|
|
+ }
|
|
|
|
+ break;
|
|
|
|
+
|
|
|
|
++ case OPTION_NO_POISON_SYSTEM_DIRECTORIES:
|
|
|
|
++ command_line.poison_system_directories = FALSE;
|
|
|
|
++ break;
|
|
|
|
++
|
|
|
|
++ case OPTION_ERROR_POISON_SYSTEM_DIRECTORIES:
|
|
|
|
++ command_line.error_poison_system_directories = TRUE;
|
|
|
|
++ break;
|
|
|
|
++
|
|
|
|
+ case OPTION_PUSH_STATE:
|
|
|
|
+ input_flags.pushed = xmemdup (&input_flags,
|
|
|
|
+ sizeof (input_flags),
|
|
|
|
+@@ -1483,6 +1500,10 @@
|
|
|
|
+ command_line.soname = NULL;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
++ BR_paranoid_env = getenv("BR_COMPILER_PARANOID_UNSAFE_PATH");
|
|
|
|
++ if (BR_paranoid_env && strlen(BR_paranoid_env) > 0)
|
|
|
|
++ command_line.error_poison_system_directories = TRUE;
|
|
|
|
++
|
|
|
|
+ while (ingroup)
|
|
|
|
+ {
|
|
|
|
+ lang_leave_group ();
|