diff options
Diffstat (limited to 'import-layers/yocto-poky/meta/recipes-devtools/binutils/binutils/0010-warn-for-uses-of-system-directories-when-cross-linki.patch')
-rw-r--r-- | import-layers/yocto-poky/meta/recipes-devtools/binutils/binutils/0010-warn-for-uses-of-system-directories-when-cross-linki.patch | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/import-layers/yocto-poky/meta/recipes-devtools/binutils/binutils/0010-warn-for-uses-of-system-directories-when-cross-linki.patch b/import-layers/yocto-poky/meta/recipes-devtools/binutils/binutils/0010-warn-for-uses-of-system-directories-when-cross-linki.patch new file mode 100644 index 0000000000..0774ad6f0c --- /dev/null +++ b/import-layers/yocto-poky/meta/recipes-devtools/binutils/binutils/0010-warn-for-uses-of-system-directories-when-cross-linki.patch @@ -0,0 +1,273 @@ +From b1ab17abe4128684f19775448545176fb2a5e27e Mon Sep 17 00:00:00 2001 +From: Khem Raj <raj.khem@gmail.com> +Date: Fri, 15 Jan 2016 06:31:09 +0000 +Subject: [PATCH 10/15] warn for uses of system directories when cross linking + +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.in (--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> +Signed-off-by: Khem Raj <raj.khem@gmail.com> +--- +Upstream-Status: Pending + + ld/config.in | 3 +++ + ld/configure | 16 ++++++++++++++++ + ld/configure.ac | 10 ++++++++++ + ld/ld.h | 8 ++++++++ + ld/ld.texinfo | 12 ++++++++++++ + ld/ldfile.c | 17 +++++++++++++++++ + ld/ldlex.h | 2 ++ + ld/ldmain.c | 2 ++ + ld/lexsup.c | 16 ++++++++++++++++ + 9 files changed, 86 insertions(+) + +diff --git a/ld/config.in b/ld/config.in +index 2c6d698b6c..d3cb7e882d 100644 +--- a/ld/config.in ++++ b/ld/config.in +@@ -17,6 +17,9 @@ + 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 --git a/ld/configure b/ld/configure +index 4277b74bad..63109644b6 100755 +--- a/ld/configure ++++ b/ld/configure +@@ -793,6 +793,7 @@ with_lib_path + enable_targets + enable_64_bit_bfd + with_sysroot ++enable_poison_system_directories + enable_gold + enable_got + enable_compressed_debug_sections +@@ -1450,6 +1451,8 @@ Optional Features: + --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) +@@ -16314,6 +16317,19 @@ 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-gold was given. + if test "${enable_gold+set}" = set; then : + enableval=$enable_gold; case "${enableval}" in +diff --git a/ld/configure.ac b/ld/configure.ac +index 36a9f5083a..47f1d33fa5 100644 +--- a/ld/configure.ac ++++ b/ld/configure.ac +@@ -95,6 +95,16 @@ AC_SUBST(use_sysroot) + AC_SUBST(TARGET_SYSTEM_ROOT) + AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE) + ++AC_ARG_ENABLE([poison-system-directories], ++ AS_HELP_STRING([--enable-poison-system-directories], ++ [warn for use of native system library directories]),, ++ [enable_poison_system_directories=no]) ++if test "x${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 --git a/ld/ld.h b/ld/ld.h +index 104bb8e237..74c914bdd5 100644 +--- a/ld/ld.h ++++ b/ld/ld.h +@@ -172,6 +172,14 @@ typedef struct + /* If set, display the target memory usage (per memory region). */ + bfd_boolean print_memory_usage; + ++ /* 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 --git a/ld/ld.texinfo b/ld/ld.texinfo +index d393acdd94..ba995b1e3a 100644 +--- a/ld/ld.texinfo ++++ b/ld/ld.texinfo +@@ -2403,6 +2403,18 @@ string identifying the original linked file does not change. + + 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 --git a/ld/ldfile.c b/ld/ldfile.c +index 0943bb2dfa..95874c75de 100644 +--- a/ld/ldfile.c ++++ b/ld/ldfile.c +@@ -114,6 +114,23 @@ ldfile_add_library_path (const char *name, bfd_boolean cmdline) + 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 --git a/ld/ldlex.h b/ld/ldlex.h +index 3ecac2bc86..34117f43a5 100644 +--- a/ld/ldlex.h ++++ b/ld/ldlex.h +@@ -146,6 +146,8 @@ enum option_values + OPTION_PRINT_MEMORY_USAGE, + OPTION_REQUIRE_DEFINED_SYMBOL, + OPTION_ORPHAN_HANDLING, ++ OPTION_NO_POISON_SYSTEM_DIRECTORIES, ++ OPTION_ERROR_POISON_SYSTEM_DIRECTORIES, + }; + + /* The initial parser states. */ +diff --git a/ld/ldmain.c b/ld/ldmain.c +index 1e48b1a2db..21f27bacf1 100644 +--- a/ld/ldmain.c ++++ b/ld/ldmain.c +@@ -270,6 +270,8 @@ main (int argc, char **argv) + 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 --git a/ld/lexsup.c b/ld/lexsup.c +index 0b7d4976ac..dedc07a143 100644 +--- a/ld/lexsup.c ++++ b/ld/lexsup.c +@@ -535,6 +535,14 @@ static const struct ld_option ld_options[] = + { {"orphan-handling", required_argument, NULL, OPTION_ORPHAN_HANDLING}, + '\0', N_("=MODE"), N_("Control how orphan sections are handled."), + 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) +@@ -1562,6 +1570,14 @@ parse_args (unsigned argc, char **argv) + einfo (_("%P%F: invalid argument to option" + " \"--orphan-handling\"\n")); + 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; + } + } + +-- +2.12.0 + |