diff options
Diffstat (limited to 'packages/binutils/2.23.2')
17 files changed, 1881 insertions, 0 deletions
diff --git a/packages/binutils/2.23.2/120-sh-conf.patch b/packages/binutils/2.23.2/120-sh-conf.patch new file mode 100644 index 0000000..ea3d1b6 --- /dev/null +++ b/packages/binutils/2.23.2/120-sh-conf.patch @@ -0,0 +1,29 @@ +r10231 | lethal | 2005-05-02 09:58:00 -0400 (Mon, 02 May 2005) | 13 lines + +Likewise, binutils has no idea about any of these new targets either, so we +fix that up too.. now we're able to actually build a real toolchain for +sh2a_nofpu- and other more ineptly named toolchains (and yes, there are more +inept targets than that one, really. Go look, I promise). + +--- a/configure ++++ b/configure +@@ -1495,7 +1495,7 @@ + mips*-*-*) + noconfigdirs="$noconfigdirs gprof" + ;; +- sh-*-* | sh64-*-*) ++ sh*-*-* | sh64-*-*) + case "${target}" in + sh*-*-elf) + ;; +--- a/configure.ac ++++ b/configure.ac +@@ -712,7 +712,7 @@ + mips*-*-*) + noconfigdirs="$noconfigdirs gprof" + ;; +- sh-*-* | sh64-*-*) ++ sh*-*-* | sh64-*-*) + case "${target}" in + sh*-*-elf) + ;; diff --git a/packages/binutils/2.23.2/300-001_ld_makefile_patch.patch b/packages/binutils/2.23.2/300-001_ld_makefile_patch.patch new file mode 100644 index 0000000..5cb0f61 --- /dev/null +++ b/packages/binutils/2.23.2/300-001_ld_makefile_patch.patch @@ -0,0 +1,24 @@ +diff -u binutils-2.17.50.0.17.oorig/ld/Makefile.am binutils-2.17.50.0.17/ld/Makefile.am +--- binutils-2.17.50.0.17.oorig/ld/Makefile.am 2007-06-18 19:29:29.000000000 +0200 ++++ binutils-2.17.50.0.17/ld/Makefile.am 2007-06-25 10:00:36.000000000 +0200 +@@ -18,7 +18,7 @@ + # We put the scripts in the directory $(scriptdir)/ldscripts. + # We can't put the scripts in $(datadir) because the SEARCH_DIR + # directives need to be different for native and cross linkers. +-scriptdir = $(tooldir)/lib ++scriptdir = $(libdir) + + EMUL = @EMUL@ + EMULATION_OFILES = @EMULATION_OFILES@ +diff -u binutils-2.17.50.0.17.oorig/ld/Makefile.in binutils-2.17.50.0.17/ld/Makefile.in +--- binutils-2.17.50.0.17.oorig/ld/Makefile.in 2007-06-18 19:29:29.000000000 +0200 ++++ binutils-2.17.50.0.17/ld/Makefile.in 2007-06-25 10:00:36.000000000 +0200 +@@ -287,7 +287,7 @@ + # We put the scripts in the directory $(scriptdir)/ldscripts. + # We can't put the scripts in $(datadir) because the SEARCH_DIR + # directives need to be different for native and cross linkers. +-scriptdir = $(tooldir)/lib ++scriptdir = $(libdir) + BASEDIR = $(srcdir)/.. + BFDDIR = $(BASEDIR)/bfd + INCDIR = $(BASEDIR)/include diff --git a/packages/binutils/2.23.2/300-012_check_ldrunpath_length.patch b/packages/binutils/2.23.2/300-012_check_ldrunpath_length.patch new file mode 100644 index 0000000..df78310 --- /dev/null +++ b/packages/binutils/2.23.2/300-012_check_ldrunpath_length.patch @@ -0,0 +1,21 @@ +diff -Nura binutils-2.21.orig/ld/emultempl/elf32.em binutils-2.21/ld/emultempl/elf32.em +--- binutils-2.21.orig/ld/emultempl/elf32.em 2010-10-29 09:10:36.000000000 -0300 ++++ binutils-2.21/ld/emultempl/elf32.em 2010-12-10 09:26:56.746102724 -0300 +@@ -1270,6 +1270,8 @@ + && command_line.rpath == NULL) + { + lib_path = (const char *) getenv ("LD_RUN_PATH"); ++ if ((lib_path) && (strlen (lib_path) == 0)) ++ lib_path = NULL; + if (gld${EMULATION_NAME}_search_needed (lib_path, &n, + force)) + break; +@@ -1497,6 +1499,8 @@ + rpath = command_line.rpath; + if (rpath == NULL) + rpath = (const char *) getenv ("LD_RUN_PATH"); ++ if ((rpath) && (strlen (rpath) == 0)) ++ rpath = NULL; + + for (abfd = link_info.input_bfds; abfd; abfd = abfd->link_next) + if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) diff --git a/packages/binutils/2.23.2/310-fix-gold-pthreads-typo.patch b/packages/binutils/2.23.2/310-fix-gold-pthreads-typo.patch new file mode 100644 index 0000000..f2e6ff2 --- /dev/null +++ b/packages/binutils/2.23.2/310-fix-gold-pthreads-typo.patch @@ -0,0 +1,14 @@ +--- binutils-2.25.1/gold/gold-threads.cc.orig 2014-10-14 08:32:04.000000000 +0100 ++++ binutils-2.25.1/gold/gold-threads.cc 2015-10-20 22:38:18.640819300 +0100 +@@ -102,9 +102,9 @@ + if (err != 0) + gold_fatal(_("pthead_mutextattr_init failed: %s"), strerror(err)); + #ifdef PTHREAD_MUTEX_ADAPTIVE_NP +- err = pthread_mutextattr_settype(&attr, PTHREAD_MUTEX_ADAPTIVE_NP); ++ err = pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ADAPTIVE_NP); + if (err != 0) +- gold_fatal(_("pthread_mutextattr_settype failed: %s"), strerror(err)); ++ gold_fatal(_("pthread_mutexattr_settype failed: %s"), strerror(err)); + #endif + + err = pthread_mutex_init(&this->mutex_, &attr); diff --git a/packages/binutils/2.23.2/500-sysroot.patch b/packages/binutils/2.23.2/500-sysroot.patch new file mode 100644 index 0000000..e49c795 --- /dev/null +++ b/packages/binutils/2.23.2/500-sysroot.patch @@ -0,0 +1,37 @@ +Signed-off-by: Sven Rebhan <odinshorse@googlemail.com> + +Always try to prepend the sysroot prefix to absolute filenames first. + +http://bugs.gentoo.org/275666 +http://sourceware.org/bugzilla/show_bug.cgi?id=10340 + +--- a/ld/ldfile.c ++++ b/ld/ldfile.c +@@ -308,18 +308,25 @@ + directory first. */ + if (! entry->flags.maybe_archive) + { +- if (entry->flags.sysrooted && IS_ABSOLUTE_PATH (entry->filename)) ++ /* For absolute pathnames, try to always open the file in the ++ sysroot first. If this fails, try to open the file at the ++ given location. */ ++ entry->flags.sysrooted = is_sysrooted_pathname (entry->filename); ++ if (!entry->flags.sysrooted && IS_ABSOLUTE_PATH (entry->filename) ++ && ld_sysroot) + { + char *name = concat (ld_sysroot, entry->filename, + (const char *) NULL); + if (ldfile_try_open_bfd (name, entry)) + { + entry->filename = name; ++ entry->flags.sysrooted = TRUE; + return TRUE; + } + free (name); + } +- else if (ldfile_try_open_bfd (entry->filename, entry)) ++ ++ if (ldfile_try_open_bfd (entry->filename, entry)) + return TRUE; + + if (IS_ABSOLUTE_PATH (entry->filename)) diff --git a/packages/binutils/2.23.2/600-poison-system-directories.patch b/packages/binutils/2.23.2/600-poison-system-directories.patch new file mode 100644 index 0000000..780e48e --- /dev/null +++ b/packages/binutils/2.23.2/600-poison-system-directories.patch @@ -0,0 +1,279 @@ +Patch adapted to binutils 2.23.2 and extended to use +BR_COMPILER_PARANOID_UNSAFE_PATH by Thomas Petazzoni. + +Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> + +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.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> + +Index: b/ld/config.in +=================================================================== +--- a/ld/config.in ++++ b/ld/config.in +@@ -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 + +Index: b/ld/configure +=================================================================== +--- a/ld/configure ++++ b/ld/configure +@@ -773,6 +773,7 @@ + enable_targets + enable_64_bit_bfd + with_sysroot ++enable_poison_system_directories + enable_gold + enable_got + enable_werror +@@ -1428,6 +1429,8 @@ + (and sometimes confusing) to the casual installer + --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) +@@ -4338,7 +4341,18 @@ + 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 "${enable_got+set}" = set; then : +Index: b/ld/configure.in +=================================================================== +--- a/ld/configure.in ++++ b/ld/configure.in +@@ -70,6 +70,16 @@ + AC_SUBST(TARGET_SYSTEM_ROOT) + AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE) + ++AC_ARG_ENABLE([poison-system-directories], ++ AS_HELP_STRING([--enable-poison-system-directories], ++ [warn for use of native system library directories]),, ++ [enable_poison_system_directories=no]) ++if test "x${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. +Index: b/ld/ldfile.c +=================================================================== +--- a/ld/ldfile.c ++++ b/ld/ldfile.c +@@ -116,6 +116,23 @@ + 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. */ +Index: b/ld/ld.h +=================================================================== +--- a/ld/ld.h ++++ b/ld/ld.h +@@ -203,6 +203,14 @@ + /* 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; + +Index: b/ld/ldmain.c +=================================================================== +--- a/ld/ldmain.c ++++ b/ld/ldmain.c +@@ -265,6 +265,8 @@ + command_line.warn_search_mismatch = TRUE; + command_line.check_section_addresses = -1; + command_line.disable_target_specific_optimizations = -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 +Index: b/ld/ld.texinfo +=================================================================== +--- a/ld/ld.texinfo ++++ b/ld/ld.texinfo +@@ -2154,6 +2154,18 @@ + + 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 +Index: b/ld/lexsup.c +=================================================================== +--- a/ld/lexsup.c ++++ b/ld/lexsup.c +@@ -498,6 +498,14 @@ + TWO_DASHES }, + { {"wrap", required_argument, NULL, OPTION_WRAP}, + '\0', N_("SYMBOL"), N_("Use wrapper functions for SYMBOL"), 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) +@@ -510,6 +518,7 @@ + int ingroup = 0; + char *default_dirlist = NULL; + char *shortopts; ++ char *BR_paranoid_env; + struct option *longopts; + struct option *really_longopts; + int last_optind; +@@ -1427,9 +1436,21 @@ + einfo (_("%P%X: --hash-size needs a numeric argument\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; + } + } + ++ 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 (); +Index: b/ld/ldlex.h +=================================================================== +--- a/ld/ldlex.h ++++ b/ld/ldlex.h +@@ -136,6 +136,8 @@ + #endif /* ENABLE_PLUGINS */ + OPTION_DEFAULT_SCRIPT, + OPTION_PRINT_OUTPUT_FORMAT, ++ OPTION_NO_POISON_SYSTEM_DIRECTORIES, ++ OPTION_ERROR_POISON_SYSTEM_DIRECTORIES, + }; + + /* The initial parser states. */ diff --git a/packages/binutils/2.23.2/900-xtensa-trampolines.patch b/packages/binutils/2.23.2/900-xtensa-trampolines.patch new file mode 100644 index 0000000..b5b934f --- /dev/null +++ b/packages/binutils/2.23.2/900-xtensa-trampolines.patch @@ -0,0 +1,846 @@ +From a82c7d9030b67a6a76a5403d0e1641f9e42141ac Mon Sep 17 00:00:00 2001 +From: David Weatherford <weath@cadence.com> +Date: Fri, 21 Mar 2014 11:53:42 +0000 +Subject: [PATCH] Add support to the Xtensa target for creating trampolines for + out-of-range branches. + + * tc-xtensa.c (xtensa_check_frag_count, xtensa_create_trampoline_frag) + (xtensa_maybe_create_trampoline_frag, init_trampoline_frag) + (find_trampoline_seg, search_trampolines, get_best_trampoline) + (check_and_update_trampolines, add_jump_to_trampoline) + (dump_trampolines): New function. + (md_parse_option): Add cases for --[no-]trampolines options. + (md_assemble, finish_vinsn, xtensa_end): Add call to + xtensa_check_frag_count. + (xg_assemble_vliw_tokens): Add call to + xtensa_maybe_create_trampoline_frag. + (xtensa_relax_frag): Relax fragments with RELAX_TRAMPOLINE state. + (relax_frag_immed): Relax jump instructions that cannot reach its + target. + * tc-xtensa.h (xtensa_relax_statesE::RELAX_TRAMPOLINE): New relax + state. + + * as.texinfo: Document --[no-]trampolines command-line options. + * c-xtensa.texi: Document trampolines relaxation and command line + options. + + * frags.c (get_frag_count, clear_frag_count): New function. + (frag_alloc): Increment totalfrags counter. + * frags.h (get_frag_count, clear_frag_count): New function. + + * all.exp: Add test for trampoline relaxation. + * trampoline.d: Trampoline relaxation expected dump. + * trampoline.s: Trampoline relaxation test source. +--- +Backported from: a82c7d9030b67a6a76a5403d0e1641f9e42141ac +Changes to Changelog files are dropped. + + gas/config/tc-xtensa.c | 558 +++++++++++++++++++++++++++++++++- + gas/config/tc-xtensa.h | 5 + + gas/frags.c | 15 + + gas/frags.h | 3 + + gas/testsuite/gas/xtensa/all.exp | 1 + + gas/testsuite/gas/xtensa/trampoline.d | 26 ++ + gas/testsuite/gas/xtensa/trampoline.s | 21 ++ + 11 files changed, 753 insertions(+), 2 deletions(-) + create mode 100644 gas/testsuite/gas/xtensa/trampoline.d + create mode 100644 gas/testsuite/gas/xtensa/trampoline.s + +diff --git a/gas/config/tc-xtensa.c b/gas/config/tc-xtensa.c +index fe8ec0f..ea23c96 100644 +--- a/gas/config/tc-xtensa.c ++++ b/gas/config/tc-xtensa.c +@@ -468,6 +468,12 @@ static void xtensa_set_frag_assembly_state (fragS *); + static void finish_vinsn (vliw_insn *); + static bfd_boolean emit_single_op (TInsn *); + static int total_frag_text_expansion (fragS *); ++static bfd_boolean use_trampolines = TRUE; ++static void xtensa_check_frag_count (void); ++static void xtensa_create_trampoline_frag (bfd_boolean); ++static void xtensa_maybe_create_trampoline_frag (void); ++struct trampoline_frag; ++static int init_trampoline_frag (struct trampoline_frag *); + + /* Alignment Functions. */ + +@@ -520,6 +526,7 @@ static void tinsn_from_chars (TInsn *, char *, int); + static void tinsn_immed_from_frag (TInsn *, fragS *, int); + static int get_num_stack_text_bytes (IStack *); + static int get_num_stack_literal_bytes (IStack *); ++static bfd_boolean tinsn_to_slotbuf (xtensa_format, int, TInsn *, xtensa_insnbuf); + + /* vliw_insn functions. */ + +@@ -687,7 +694,10 @@ enum + option_prefer_l32r, + option_prefer_const16, + +- option_target_hardware ++ option_target_hardware, ++ ++ option_trampolines, ++ option_no_trampolines, + }; + + const char *md_shortopts = ""; +@@ -760,6 +770,9 @@ struct option md_longopts[] = + + { "target-hardware", required_argument, NULL, option_target_hardware }, + ++ { "trampolines", no_argument, NULL, option_trampolines }, ++ { "no-trampolines", no_argument, NULL, option_no_trampolines }, ++ + { NULL, no_argument, NULL, 0 } + }; + +@@ -940,6 +953,14 @@ md_parse_option (int c, char *arg) + directive_state[directive_transform] = FALSE; + return 1; + ++ case option_trampolines: ++ use_trampolines = TRUE; ++ return 1; ++ ++ case option_no_trampolines: ++ use_trampolines = FALSE; ++ return 1; ++ + default: + return 0; + } +@@ -963,7 +984,9 @@ Xtensa options:\n\ + flix bundles\n\ + --no-allow-flix neither allow hand-written nor generate\n\ + flix bundles\n\ +- --rename-section old=new Rename section 'old' to 'new'\n", stream); ++ --rename-section old=new Rename section 'old' to 'new'\n\ ++ --[no-]trampolines [Do not] generate trampolines (jumps to jumps)\n\ ++ when jumps do not reach their targets\n", stream); + } + + +@@ -5568,6 +5591,8 @@ md_assemble (char *str) + + /* We've just emitted a new instruction so clear the list of labels. */ + xtensa_clear_insn_labels (); ++ ++ xtensa_check_frag_count (); + } + + +@@ -6372,6 +6397,8 @@ finish_vinsn (vliw_insn *vinsn) + xg_assemble_vliw_tokens (vinsn); + + xg_clear_vinsn (vinsn); ++ ++ xtensa_check_frag_count (); + } + + +@@ -7140,6 +7167,7 @@ xg_assemble_vliw_tokens (vliw_insn *vinsn) + RELAX_UNREACHABLE, + frag_now->fr_symbol, frag_now->fr_offset, NULL); + xtensa_set_frag_assembly_state (frag_now); ++ xtensa_maybe_create_trampoline_frag (); + } + else if (is_branch && do_align_targets ()) + { +@@ -7222,9 +7250,164 @@ xtensa_end (void) + xtensa_sanity_check (); + + xtensa_add_config_info (); ++ ++ xtensa_check_frag_count (); ++} ++ ++ ++struct trampoline_frag ++{ ++ struct trampoline_frag *next; ++ bfd_boolean needs_jump_around; ++ fragS *fragP; ++ fixS *fixP; ++}; ++ ++struct trampoline_seg ++{ ++ struct trampoline_seg *next; ++ asection *seg; ++ struct trampoline_frag trampoline_list; ++}; ++ ++static struct trampoline_seg trampoline_seg_list; ++#define J_RANGE (128 * 1024) ++ ++static int unreachable_count = 0; ++ ++ ++static void ++xtensa_maybe_create_trampoline_frag (void) ++{ ++ if (!use_trampolines) ++ return; ++ ++ /* We create an area for possible trampolines every 10 unreachable frags. ++ These are preferred over the ones not preceded by an unreachable frag, ++ because we don't have to jump around them. This function is called after ++ each RELAX_UNREACHABLE frag is created. */ ++ ++ if (++unreachable_count > 10) ++ { ++ xtensa_create_trampoline_frag (FALSE); ++ clear_frag_count (); ++ unreachable_count = 0; ++ } ++} ++ ++static void ++xtensa_check_frag_count (void) ++{ ++ if (!use_trampolines || frag_now->tc_frag_data.is_no_transform) ++ return; ++ ++ /* We create an area for possible trampolines every 8000 frags or so. This ++ is an estimate based on the max range of a "j" insn (+/-128K) divided ++ by a typical frag byte count (16), minus a few for safety. This function ++ is called after each source line is processed. */ ++ ++ if (get_frag_count () > 8000) ++ { ++ xtensa_create_trampoline_frag (TRUE); ++ clear_frag_count (); ++ unreachable_count = 0; ++ } ++} ++ ++static xtensa_insnbuf trampoline_buf = NULL; ++static xtensa_insnbuf trampoline_slotbuf = NULL; ++ ++#define TRAMPOLINE_FRAG_SIZE 3000 ++ ++static void ++xtensa_create_trampoline_frag (bfd_boolean needs_jump_around) ++{ ++ /* Emit a frag where we can place intermediate jump instructions, ++ in case we need to jump farther than 128K bytes. ++ Each jump instruction takes three bytes. ++ We allocate enough for 1000 trampolines in each frag. ++ If that's not enough, oh well. */ ++ ++ struct trampoline_seg *ts = trampoline_seg_list.next; ++ struct trampoline_frag *tf; ++ char *varP; ++ fragS *fragP; ++ int size = TRAMPOLINE_FRAG_SIZE; ++ ++ for ( ; ts; ts = ts->next) ++ { ++ if (ts->seg == now_seg) ++ break; ++ } ++ ++ if (ts == NULL) ++ { ++ ts = (struct trampoline_seg *)xcalloc(sizeof (struct trampoline_seg), 1); ++ ts->next = trampoline_seg_list.next; ++ trampoline_seg_list.next = ts; ++ ts->seg = now_seg; ++ } ++ ++ frag_wane (frag_now); ++ frag_new (0); ++ xtensa_set_frag_assembly_state (frag_now); ++ varP = frag_var (rs_machine_dependent, size, size, RELAX_TRAMPOLINE, NULL, 0, NULL); ++ fragP = (fragS *)(varP - SIZEOF_STRUCT_FRAG); ++ if (trampoline_buf == NULL) ++ { ++ trampoline_buf = xtensa_insnbuf_alloc (xtensa_default_isa); ++ trampoline_slotbuf = xtensa_insnbuf_alloc (xtensa_default_isa); ++ } ++ tf = (struct trampoline_frag *)xmalloc(sizeof (struct trampoline_frag)); ++ tf->next = ts->trampoline_list.next; ++ ts->trampoline_list.next = tf; ++ tf->needs_jump_around = needs_jump_around; ++ tf->fragP = fragP; ++ tf->fixP = NULL; ++} ++ ++ ++static struct trampoline_seg * ++find_trampoline_seg (asection *seg) ++{ ++ struct trampoline_seg *ts = trampoline_seg_list.next; ++ ++ for ( ; ts; ts = ts->next) ++ { ++ if (ts->seg == seg) ++ return ts; ++ } ++ ++ return NULL; + } + + ++void dump_trampolines (void); ++ ++void ++dump_trampolines (void) ++{ ++ struct trampoline_seg *ts = trampoline_seg_list.next; ++ ++ for ( ; ts; ts = ts->next) ++ { ++ asection *seg = ts->seg; ++ ++ if (seg == NULL) ++ continue; ++ fprintf(stderr, "SECTION %s\n", seg->name); ++ struct trampoline_frag *tf = ts->trampoline_list.next; ++ for ( ; tf; tf = tf->next) ++ { ++ if (tf->fragP == NULL) ++ continue; ++ fprintf(stderr, " 0x%08x: fix=%d, jump_around=%s\n", ++ (int)tf->fragP->fr_address, (int)tf->fragP->fr_fix, ++ tf->needs_jump_around ? "T" : "F"); ++ } ++ } ++} ++ + static void + xtensa_cleanup_align_frags (void) + { +@@ -8708,6 +8891,149 @@ xtensa_relax_frag (fragS *fragP, long stretch, int *stretched_p) + new_stretch += relax_frag_for_align (fragP, stretch); + break; + ++ case RELAX_TRAMPOLINE: ++ if (fragP->tc_frag_data.relax_seen) ++ { ++ segment_info_type *seginfo = seg_info (now_seg); ++ fragS *fP; /* The out-of-range jump. */ ++ fixS *fixP; ++ ++ /* Scan for jumps that will not reach. */ ++ for (fixP = seginfo->fix_root; fixP ; fixP = fixP->fx_next) ++ { ++ symbolS *s = fixP->fx_addsy; ++ xtensa_opcode opcode; ++ int target; ++ int addr; ++ int delta; ++ ++ if (fixP->fx_r_type < BFD_RELOC_XTENSA_SLOT0_OP || ++ fixP->fx_r_type > BFD_RELOC_XTENSA_SLOT14_OP) ++ continue; ++ xtensa_insnbuf_from_chars (isa, trampoline_buf, ++ (unsigned char *) fixP->fx_frag->fr_literal + fixP->fx_where, ++ 0); ++ fmt = xtensa_format_decode (isa, trampoline_buf); ++ gas_assert (fmt != XTENSA_UNDEFINED); ++ slot = fixP->tc_fix_data.slot; ++ xtensa_format_get_slot (isa, fmt, slot, trampoline_buf, trampoline_slotbuf); ++ opcode = xtensa_opcode_decode (isa, fmt, slot, trampoline_slotbuf); ++ if (opcode != xtensa_j_opcode) ++ continue; ++ target = S_GET_VALUE (s); ++ addr = fixP->fx_frag->fr_address; ++ delta = target - addr + stretch; ++ if (delta > J_RANGE || delta < -1 * J_RANGE) ++ { /* Found an out-of-range jump; scan the list of trampolines for the best match. */ ++ struct trampoline_seg *ts = find_trampoline_seg (now_seg); ++ struct trampoline_frag *tf = ts->trampoline_list.next; ++ struct trampoline_frag *prev = &ts->trampoline_list; ++ int lower = (target < addr) ? target : addr; ++ int upper = (target > addr) ? target : addr; ++ int midpoint = lower + (upper - lower) / 2; ++ ++ if ((upper - lower) > 2 * J_RANGE) ++ { ++ /* One trampoline won't suffice; we need multiple jumps. ++ Jump to the trampoline that's farthest, but still in ++ range relative to the original "j" instruction. */ ++ for ( ; tf; prev = tf, tf = tf->next ) ++ { ++ int this_addr = tf->fragP->fr_address + tf->fragP->fr_fix; ++ int next_addr = (tf->next) ? tf->next->fragP->fr_address + tf->next->fragP->fr_fix : 0 ; ++ ++ if (addr == lower) ++ { ++ /* Forward jump. */ ++ if (this_addr - addr < J_RANGE) ++ break; ++ } ++ else ++ { ++ /* Backward jump. */ ++ if (next_addr == 0 || addr - next_addr > J_RANGE) ++ break; ++ } ++ } ++ } ++ else ++ { ++ struct trampoline_frag *best_tf = NULL; ++ int best_delta = 0; ++ ++ for ( ; tf; prev = tf, tf = tf->next ) ++ { ++ int this_addr = tf->fragP->fr_address + tf->fragP->fr_fix; ++ int this_delta = abs (this_addr - midpoint); ++ ++ if (!best_tf || this_delta < best_delta) ++ { ++ best_tf = tf; ++ best_delta = this_delta; ++ } ++ } ++ tf = best_tf; ++ } ++ if (tf->fragP == fragP) ++ { ++ int trampaddr = fragP->fr_address + fragP->fr_fix; ++ ++ if (abs (addr - trampaddr) < J_RANGE) ++ { /* The trampoline is in range of original; fix it! */ ++ fixS *newfixP; ++ int offset; ++ TInsn insn; ++ symbolS *lsym; ++ ++ new_stretch += init_trampoline_frag (tf); ++ offset = fragP->fr_fix; /* Where to assemble the j insn. */ ++ lsym = fragP->fr_symbol; ++ fP = fixP->fx_frag; ++ /* Assemble a jump to the target label here. */ ++ tinsn_init (&insn); ++ insn.insn_type = ITYPE_INSN; ++ insn.opcode = xtensa_j_opcode; ++ insn.ntok = 1; ++ set_expr_symbol_offset (&insn.tok[0], lsym, offset); ++ fmt = xg_get_single_format (xtensa_j_opcode); ++ tinsn_to_slotbuf (fmt, 0, &insn, trampoline_slotbuf); ++ xtensa_format_set_slot (isa, fmt, 0, trampoline_buf, trampoline_slotbuf); ++ xtensa_insnbuf_to_chars (isa, trampoline_buf, (unsigned char *)fragP->fr_literal + offset, 3); ++ fragP->fr_fix += 3; ++ fragP->fr_var -= 3; ++ /* Add a fix-up for the original j insn. */ ++ newfixP = fix_new (fP, fixP->fx_where, fixP->fx_size, lsym, fragP->fr_fix - 3, TRUE, fixP->fx_r_type); ++ newfixP->fx_no_overflow = 1; ++ newfixP->tc_fix_data.X_add_symbol = lsym; ++ newfixP->tc_fix_data.X_add_number = offset; ++ newfixP->tc_fix_data.slot = slot; ++ /* Move the fix-up from the original j insn to this one. */ ++ fixP->fx_frag = fragP; ++ fixP->fx_where = fragP->fr_fix - 3; ++ fixP->tc_fix_data.slot = 0; ++ /* Adjust the jump around this trampoline (if present). */ ++ if (tf->fixP != NULL) ++ { ++ tf->fixP->fx_offset += 3; ++ } ++ new_stretch += 3; ++ fragP->tc_frag_data.relax_seen = FALSE; /* Need another pass. */ ++ /* Do we have room for more? */ ++ if (fragP->fr_var < 3) ++ { /* No, convert to fill. */ ++ frag_wane (fragP); ++ fragP->fr_subtype = 0; ++ /* Remove from the trampoline_list. */ ++ prev->next = tf->next; ++ break; ++ } ++ } ++ } ++ } ++ } ++ } ++ break; ++ + default: + as_bad (_("bad relaxation state")); + } +@@ -9146,6 +9472,200 @@ bytes_to_stretch (fragS *this_frag, + } + + ++static struct trampoline_frag * ++search_trampolines (TInsn *tinsn, fragS *fragP, bfd_boolean unreachable_only) ++{ ++ struct trampoline_seg *ts = find_trampoline_seg (now_seg); ++ struct trampoline_frag *tf = (ts) ? ts->trampoline_list.next : NULL; ++ struct trampoline_frag *best_tf = NULL; ++ int best_delta = 0; ++ int best_addr = 0; ++ symbolS *sym = tinsn->tok[0].X_add_symbol; ++ offsetT target = S_GET_VALUE (sym) + tinsn->tok[0].X_add_number; ++ offsetT addr = fragP->fr_address; ++ offsetT lower = (addr < target) ? addr : target; ++ offsetT upper = (addr > target) ? addr : target; ++ int delta = upper - lower; ++ offsetT midpoint = lower + delta / 2; ++ int this_delta = -1; ++ int this_addr = -1; ++ ++ if (delta > 2 * J_RANGE) ++ { ++ /* One trampoline won't do; we need multiple. ++ Choose the farthest trampoline that's still in range of the original ++ and let a later pass finish the job. */ ++ for ( ; tf; tf = tf->next) ++ { ++ int next_addr = (tf->next) ? tf->next->fragP->fr_address + tf->next->fragP->fr_fix : 0; ++ ++ this_addr = tf->fragP->fr_address + tf->fragP->fr_fix; ++ if (lower == addr) ++ { ++ /* Forward jump. */ ++ if (this_addr - addr < J_RANGE) ++ break; ++ } ++ else ++ { ++ /* Backward jump. */ ++ if (next_addr == 0 || addr - next_addr > J_RANGE) ++ break; ++ } ++ if (abs (addr - this_addr) < J_RANGE) ++ return tf; ++ ++ return NULL; ++ } ++ } ++ for ( ; tf; tf = tf->next) ++ { ++ this_addr = tf->fragP->fr_address + tf->fragP->fr_fix; ++ this_delta = abs (this_addr - midpoint); ++ if (unreachable_only && tf->needs_jump_around) ++ continue; ++ if (!best_tf || this_delta < best_delta) ++ { ++ best_tf = tf; ++ best_delta = this_delta; ++ best_addr = this_addr; ++ } ++ } ++ ++ if (best_tf && ++ best_delta < J_RANGE && ++ abs(best_addr - lower) < J_RANGE && ++ abs(best_addr - upper) < J_RANGE) ++ return best_tf; ++ ++ return NULL; /* No suitable trampoline found. */ ++} ++ ++ ++static struct trampoline_frag * ++get_best_trampoline (TInsn *tinsn, fragS *fragP) ++{ ++ struct trampoline_frag *tf = NULL; ++ ++ tf = search_trampolines (tinsn, fragP, TRUE); /* Try unreachable first. */ ++ ++ if (tf == NULL) ++ tf = search_trampolines (tinsn, fragP, FALSE); /* Try ones needing a jump-around, too. */ ++ ++ return tf; ++} ++ ++ ++static void ++check_and_update_trampolines (void) ++{ ++ struct trampoline_seg *ts = find_trampoline_seg (now_seg); ++ struct trampoline_frag *tf = ts->trampoline_list.next; ++ struct trampoline_frag *prev = &ts->trampoline_list; ++ ++ for ( ; tf; prev = tf, tf = tf->next) ++ { ++ if (tf->fragP->fr_var < 3) ++ { ++ frag_wane (tf->fragP); ++ prev->next = tf->next; ++ tf->fragP = NULL; ++ } ++ } ++} ++ ++ ++static int ++init_trampoline_frag (struct trampoline_frag *trampP) ++{ ++ fragS *fp = trampP->fragP; ++ int growth = 0; ++ ++ if (fp->fr_fix == 0) ++ { ++ symbolS *lsym; ++ char label[10 + 2 * sizeof(fp)]; ++ sprintf (label, ".L0_TR_%p", fp); ++ ++ lsym = (symbolS *)local_symbol_make (label, now_seg, 0, fp); ++ fp->fr_symbol = lsym; ++ if (trampP->needs_jump_around) ++ { ++ /* Add a jump around this block of jumps, in case ++ control flows into this block. */ ++ fixS *fixP; ++ TInsn insn; ++ xtensa_format fmt; ++ xtensa_isa isa = xtensa_default_isa; ++ ++ fp->tc_frag_data.is_insn = 1; ++ /* Assemble a jump insn. */ ++ tinsn_init (&insn); ++ insn.insn_type = ITYPE_INSN; ++ insn.opcode = xtensa_j_opcode; ++ insn.ntok = 1; ++ set_expr_symbol_offset (&insn.tok[0], lsym, 3); ++ fmt = xg_get_single_format (xtensa_j_opcode); ++ tinsn_to_slotbuf (fmt, 0, &insn, trampoline_slotbuf); ++ xtensa_format_set_slot (isa, fmt, 0, trampoline_buf, trampoline_slotbuf); ++ xtensa_insnbuf_to_chars (isa, trampoline_buf, (unsigned char *)fp->fr_literal, 3); ++ fp->fr_fix += 3; ++ fp->fr_var -= 3; ++ growth = 3; ++ fixP = fix_new (fp, 0, 3, lsym, 3, TRUE, BFD_RELOC_XTENSA_SLOT0_OP); ++ trampP->fixP = fixP; ++ } ++ } ++ return growth; ++} ++ ++ ++static int ++add_jump_to_trampoline (struct trampoline_frag *trampP, fragS *origfrag) ++{ ++ fragS *tramp = trampP->fragP; ++ fixS *fixP; ++ int offset = tramp->fr_fix; /* Where to assemble the j insn. */ ++ TInsn insn; ++ symbolS *lsym; ++ symbolS *tsym; ++ int toffset; ++ xtensa_format fmt; ++ xtensa_isa isa = xtensa_default_isa; ++ int growth = 0; ++ ++ lsym = tramp->fr_symbol; ++ /* Assemble a jump to the target label in the trampoline frag. */ ++ tsym = origfrag->tc_frag_data.slot_symbols[0]; ++ toffset = origfrag-> tc_frag_data.slot_offsets[0]; ++ tinsn_init (&insn); ++ insn.insn_type = ITYPE_INSN; ++ insn.opcode = xtensa_j_opcode; ++ insn.ntok = 1; ++ set_expr_symbol_offset (&insn.tok[0], tsym, toffset); ++ fmt = xg_get_single_format (xtensa_j_opcode); ++ tinsn_to_slotbuf (fmt, 0, &insn, trampoline_slotbuf); ++ xtensa_format_set_slot (isa, fmt, 0, trampoline_buf, trampoline_slotbuf); ++ xtensa_insnbuf_to_chars (isa, trampoline_buf, (unsigned char *)tramp->fr_literal + offset, 3); ++ tramp->fr_fix += 3; ++ tramp->fr_var -= 3; ++ growth = 3; ++ /* add a fix-up for the trampoline jump. */ ++ fixP = fix_new (tramp, tramp->fr_fix - 3, 3, tsym, toffset, TRUE, BFD_RELOC_XTENSA_SLOT0_OP); ++ /* Modify the jump at the start of this trampoline to point past the newly-added jump. */ ++ fixP = trampP->fixP; ++ if (fixP) ++ fixP->fx_offset += 3; ++ /* Modify the original j to point here. */ ++ origfrag->tc_frag_data.slot_symbols[0] = lsym; ++ origfrag->tc_frag_data.slot_offsets[0] = tramp->fr_fix - 3; ++ /* If trampoline is full, remove it from the list. */ ++ check_and_update_trampolines (); ++ ++ return growth; ++} ++ ++ + static long + relax_frag_immed (segT segP, + fragS *fragP, +@@ -9284,6 +9804,37 @@ relax_frag_immed (segT segP, + if (negatable_branch && istack.ninsn > 1) + update_next_frag_state (fragP); + ++ /* If last insn is a jump, and it cannot reach its target, try to find a trampoline. */ ++ if (istack.ninsn > 2 && ++ istack.insn[istack.ninsn - 1].insn_type == ITYPE_LABEL && ++ istack.insn[istack.ninsn - 2].insn_type == ITYPE_INSN && ++ istack.insn[istack.ninsn - 2].opcode == xtensa_j_opcode) ++ { ++ TInsn *jinsn = &istack.insn[istack.ninsn - 2]; ++ ++ if (!xg_symbolic_immeds_fit (jinsn, segP, fragP, fragP->fr_offset, total_text_diff)) ++ { ++ struct trampoline_frag *tf = get_best_trampoline (jinsn, fragP); ++ ++ if (tf) ++ { ++ this_text_diff += init_trampoline_frag (tf); ++ this_text_diff += add_jump_to_trampoline (tf, fragP); ++ } ++ else ++ { ++ /* If target symbol is undefined, assume it will reach once linked. */ ++ expressionS *exp = &istack.insn[istack.ninsn - 2].tok[0]; ++ ++ if (exp->X_op == O_symbol && S_IS_DEFINED (exp->X_add_symbol)) ++ { ++ as_bad_where (fragP->fr_file, fragP->fr_line, ++ _("jump target out of range; no usable trampoline found")); ++ } ++ } ++ } ++ } ++ + return this_text_diff; + } + +@@ -9404,6 +9955,9 @@ md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, segT sec, fragS *fragp) + else + as_bad (_("invalid relaxation fragment result")); + break; ++ ++ case RELAX_TRAMPOLINE: ++ break; + } + + fragp->fr_var = 0; +diff --git a/gas/config/tc-xtensa.h b/gas/config/tc-xtensa.h +index 0bf1240..4672bc6 100644 +--- a/gas/config/tc-xtensa.h ++++ b/gas/config/tc-xtensa.h +@@ -180,6 +180,11 @@ enum xtensa_relax_statesE + prevent the linker from changing the size of any frag between the + section start and the org frag. */ + ++ RELAX_TRAMPOLINE, ++ /* Every few thousand frags, we insert one of these, just in case we may ++ need some space for a trampoline (jump to a jump) because the function ++ has gotten too big. If not needed, it disappears. */ ++ + RELAX_NONE + }; + +diff --git a/gas/frags.c b/gas/frags.c +index 5f68480..e14099d 100644 +--- a/gas/frags.c ++++ b/gas/frags.c +@@ -24,6 +24,20 @@ + + extern fragS zero_address_frag; + extern fragS predefined_address_frag; ++ ++static int totalfrags; ++ ++int ++get_frag_count (void) ++{ ++ return totalfrags; ++} ++ ++void ++clear_frag_count (void) ++{ ++ totalfrags = 0; ++} + + /* Initialization for frag routines. */ + +@@ -70,6 +84,7 @@ frag_alloc (struct obstack *ob) + ptr = (fragS *) obstack_alloc (ob, SIZEOF_STRUCT_FRAG); + obstack_alignment_mask (ob) = oalign; + memset (ptr, 0, SIZEOF_STRUCT_FRAG); ++ totalfrags++; + return ptr; + } + +diff --git a/gas/frags.h b/gas/frags.h +index 319898f..2f9e1b5 100644 +--- a/gas/frags.h ++++ b/gas/frags.h +@@ -155,4 +155,7 @@ char *frag_var (relax_stateT type, + + bfd_boolean frag_offset_fixed_p (const fragS *, const fragS *, offsetT *); + ++int get_frag_count (void); ++void clear_frag_count (void); ++ + #endif /* FRAGS_H */ +diff --git a/gas/testsuite/gas/xtensa/all.exp b/gas/testsuite/gas/xtensa/all.exp +index 2b2c294..3683b78 100644 +--- a/gas/testsuite/gas/xtensa/all.exp ++++ b/gas/testsuite/gas/xtensa/all.exp +@@ -98,6 +98,7 @@ if [istarget xtensa*-*-*] then { + run_dump_test "pcrel" + run_dump_test "weak-call" + run_dump_test "jlong" ++ run_dump_test "trampoline" + } + + if [info exists errorInfo] then { +diff --git a/gas/testsuite/gas/xtensa/trampoline.d b/gas/testsuite/gas/xtensa/trampoline.d +new file mode 100644 +index 0000000..b4f65dc +--- /dev/null ++++ b/gas/testsuite/gas/xtensa/trampoline.d +@@ -0,0 +1,26 @@ ++#as: ++#objdump: -d ++#name: trampolines relaxation ++ ++.*: +file format .*xtensa.* ++#... ++.*0:.*j.0x1194c ++.*3:.*j.0x1194f ++.*6:.*j.0x11952 ++.*9:.*j.0x1d4e4 ++#... ++.*11949:.*j.0x11955 ++.*1194c:.*j.0x24a0e ++.*1194f:.*j.0x24a0e ++.*11952:.*j.0x24a11 ++#... ++.*1d4e1:.*j.0x1d4e7 ++.*1d4e4:.*j.0x33462 ++#... ++.*24a0e:.*j.0x24a0e ++.*24a11:.*j.0x24a11 ++#... ++.*3345f:.*ret ++.*33462:.*j.0x49407 ++#... ++.*49407:.*j.0x49407 +diff --git a/gas/testsuite/gas/xtensa/trampoline.s b/gas/testsuite/gas/xtensa/trampoline.s +new file mode 100644 +index 0000000..259a3bb +--- /dev/null ++++ b/gas/testsuite/gas/xtensa/trampoline.s +@@ -0,0 +1,21 @@ ++ .text ++ j 1f ++ j 1f ++ j 2f ++ j 3f ++ .rep 25000 ++99: ++ and a2, a2, a3 ++ bne a2, a3, 99b ++ .endr ++1: ++ j 1b ++2: ++ j 2b ++ ++ .rep 25000 ++ and a2, a2, a3 ++ _ret ++ .endr ++3: ++ j 3b +-- +1.8.1.4 + diff --git a/packages/binutils/2.23.2/901-xtensa-gas-first-frag-alignment.patch b/packages/binutils/2.23.2/901-xtensa-gas-first-frag-alignment.patch new file mode 100644 index 0000000..e1c2d85 --- /dev/null +++ b/packages/binutils/2.23.2/901-xtensa-gas-first-frag-alignment.patch @@ -0,0 +1,51 @@ +From a35d5e823fdfe8a6e7e05ca8e3fb8bb5697335b1 Mon Sep 17 00:00:00 2001 +From: Max Filippov <jcmvbkbc@gmail.com> +Date: Tue, 15 Apr 2014 19:12:46 +0400 +Subject: [PATCH] Fix alignment for the first section frag on xtensa + +Linking object files produced by partial linking with link-time +relaxation enabled sometimes fails with the following error message: + +dangerous relocation: call8: misaligned call target: (.text.unlikely+0x63) + +This happens because no basic block with an XTENSA_PROP_ALIGN flag in the +property table is generated for the first basic block, even if the +.align directive is present. +It was believed that the first frag alignment could be derived from the +section alignment, but this was not implemented for the partial linking +case: after partial linking first frag of a section may become not +first, but no additional alignment frag is inserted before it. +Basic block for such frag may be merged with previous basic block into +extended basic block during relaxation pass losing its alignment +restrictions. + +Fix this by always recording alignment for the first section frag. + +2014-04-22 Max Filippov <jcmvbkbc@gmail.com> + +gas/ + * config/tc-xtensa.c (xtensa_handle_align): record alignment for the + first section frag. + +--- +Backported from: a35d5e823fdfe8a6e7e05ca8e3fb8bb5697335b1 +Changes to Changelog files and tests are dropped. + + gas/config/tc-xtensa.c | 1 - + 1 file changed, 1 deletion(-) + +diff --git a/gas/config/tc-xtensa.c b/gas/config/tc-xtensa.c +index ea23c96..58ace38 100644 +--- a/gas/config/tc-xtensa.c ++++ b/gas/config/tc-xtensa.c +@@ -5609,7 +5609,6 @@ xtensa_handle_align (fragS *fragP) + && ! fragP->tc_frag_data.is_literal + && (fragP->fr_type == rs_align + || fragP->fr_type == rs_align_code) +- && fragP->fr_address + fragP->fr_fix > 0 + && fragP->fr_offset > 0 + && now_seg != bss_section) + { +-- +1.8.1.4 + diff --git a/packages/binutils/2.23.2/902-xtensa-gas-ld-diff-relocation-signed.patch b/packages/binutils/2.23.2/902-xtensa-gas-ld-diff-relocation-signed.patch new file mode 100644 index 0000000..ba24f4e --- /dev/null +++ b/packages/binutils/2.23.2/902-xtensa-gas-ld-diff-relocation-signed.patch @@ -0,0 +1,133 @@ +From 6a17eba5358549d0d6d195bb22b34cdbc068def2 Mon Sep 17 00:00:00 2001 +From: Volodymyr Arbatov <arbatov@cadence.com> +Date: Mon, 6 May 2013 09:43:21 -0800 +Subject: [PATCH] Use signed data type for R_XTENSA_DIFF* relocation offsets. + +R_XTENSA_DIFF relocation offsets are in fact signed. Treat them as such. +Add testcase that examines ld behaviour on R_XTENSA_DIFF relocation +changing sign during relaxation. + +2014-05-02 Volodymyr Arbatov <arbatov@cadence.com> + David Weatherford <weath@cadence.com> + Max Filippov <jcmvbkbc@gmail.com> + +bfd/ + * elf32-xtensa.c (relax_section): treat R_XTENSA_DIFF* relocations as + signed. + +gas/ + * config/tc-xtensa.c (md_apply_fix): mark BFD_RELOC_XTENSA_DIFF* + fixups as signed. +--- +Backported from: 1058c7532d0b012ac329219264ddad59049fb6e6 +Changes to Changelog files and tests are dropped. + + bfd/elf32-xtensa.c | 32 ++++++++++++----------- + gas/config/tc-xtensa.c | 3 +++ + 2 files changed, 20 insertions(+), 15 deletions(-) + +diff --git a/bfd/elf32-xtensa.c b/bfd/elf32-xtensa.c +index edb04b4..8818d67 100644 +--- a/bfd/elf32-xtensa.c ++++ b/bfd/elf32-xtensa.c +@@ -222,11 +222,11 @@ static reloc_howto_type elf_howto_table[] = + FALSE, 0, 0, FALSE), + + /* Relocations for supporting difference of symbols. */ +- HOWTO (R_XTENSA_DIFF8, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, ++ HOWTO (R_XTENSA_DIFF8, 0, 0, 8, FALSE, 0, complain_overflow_signed, + bfd_elf_xtensa_reloc, "R_XTENSA_DIFF8", FALSE, 0, 0xff, FALSE), +- HOWTO (R_XTENSA_DIFF16, 0, 1, 16, FALSE, 0, complain_overflow_bitfield, ++ HOWTO (R_XTENSA_DIFF16, 0, 1, 16, FALSE, 0, complain_overflow_signed, + bfd_elf_xtensa_reloc, "R_XTENSA_DIFF16", FALSE, 0, 0xffff, FALSE), +- HOWTO (R_XTENSA_DIFF32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, ++ HOWTO (R_XTENSA_DIFF32, 0, 2, 32, FALSE, 0, complain_overflow_signed, + bfd_elf_xtensa_reloc, "R_XTENSA_DIFF32", FALSE, 0, 0xffffffff, FALSE), + + /* General immediate operand relocations. */ +@@ -9013,7 +9013,8 @@ relax_section (bfd *abfd, asection *sec, struct bfd_link_info *link_info) + || r_type == R_XTENSA_DIFF16 + || r_type == R_XTENSA_DIFF32) + { +- bfd_vma diff_value = 0, new_end_offset, diff_mask = 0; ++ bfd_signed_vma diff_value = 0; ++ bfd_vma new_end_offset, diff_mask = 0; + + if (bfd_get_section_limit (abfd, sec) < old_source_offset) + { +@@ -9027,15 +9028,15 @@ relax_section (bfd *abfd, asection *sec, struct bfd_link_info *link_info) + { + case R_XTENSA_DIFF8: + diff_value = +- bfd_get_8 (abfd, &contents[old_source_offset]); ++ bfd_get_signed_8 (abfd, &contents[old_source_offset]); + break; + case R_XTENSA_DIFF16: + diff_value = +- bfd_get_16 (abfd, &contents[old_source_offset]); ++ bfd_get_signed_16 (abfd, &contents[old_source_offset]); + break; + case R_XTENSA_DIFF32: + diff_value = +- bfd_get_32 (abfd, &contents[old_source_offset]); ++ bfd_get_signed_32 (abfd, &contents[old_source_offset]); + break; + } + +@@ -9047,24 +9048,25 @@ relax_section (bfd *abfd, asection *sec, struct bfd_link_info *link_info) + switch (r_type) + { + case R_XTENSA_DIFF8: +- diff_mask = 0xff; +- bfd_put_8 (abfd, diff_value, ++ diff_mask = 0x7f; ++ bfd_put_signed_8 (abfd, diff_value, + &contents[old_source_offset]); + break; + case R_XTENSA_DIFF16: +- diff_mask = 0xffff; +- bfd_put_16 (abfd, diff_value, ++ diff_mask = 0x7fff; ++ bfd_put_signed_16 (abfd, diff_value, + &contents[old_source_offset]); + break; + case R_XTENSA_DIFF32: +- diff_mask = 0xffffffff; +- bfd_put_32 (abfd, diff_value, ++ diff_mask = 0x7fffffff; ++ bfd_put_signed_32 (abfd, diff_value, + &contents[old_source_offset]); + break; + } + +- /* Check for overflow. */ +- if ((diff_value & ~diff_mask) != 0) ++ /* Check for overflow. Sign bits must be all zeroes or all ones */ ++ if ((diff_value & ~diff_mask) != 0 && ++ (diff_value & ~diff_mask) != (-1 & ~diff_mask)) + { + (*link_info->callbacks->reloc_dangerous) + (link_info, _("overflow after relaxation"), +diff --git a/gas/config/tc-xtensa.c b/gas/config/tc-xtensa.c +index 58ace38..7547c0a0 100644 +--- a/gas/config/tc-xtensa.c ++++ b/gas/config/tc-xtensa.c +@@ -5867,12 +5867,15 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg) + { + case BFD_RELOC_8: + fixP->fx_r_type = BFD_RELOC_XTENSA_DIFF8; ++ fixP->fx_signed = 1; + break; + case BFD_RELOC_16: + fixP->fx_r_type = BFD_RELOC_XTENSA_DIFF16; ++ fixP->fx_signed = 1; + break; + case BFD_RELOC_32: + fixP->fx_r_type = BFD_RELOC_XTENSA_DIFF32; ++ fixP->fx_signed = 1; + break; + default: + break; +-- +1.8.1.4 + diff --git a/packages/binutils/2.23.2/903-xtensa-fix-ld-segfault-when-linking-linux-modules.patch b/packages/binutils/2.23.2/903-xtensa-fix-ld-segfault-when-linking-linux-modules.patch new file mode 100644 index 0000000..6a0846e --- /dev/null +++ b/packages/binutils/2.23.2/903-xtensa-fix-ld-segfault-when-linking-linux-modules.patch @@ -0,0 +1,47 @@ +From e7d17e71cdc10a2e81e454ce3b9637f1b2a587f2 Mon Sep 17 00:00:00 2001 +From: Max Filippov <jcmvbkbc@gmail.com> +Date: Thu, 10 Jul 2014 01:47:33 +0400 +Subject: [PATCH] Fix xtensa ld segfault when linking linux modules + +is_inconsistent_linkonce_section makes an assumption that section name +that starts with ".gnu.linkonce.prop." has one more dot in its suffix. +However gas generates such section name by insertion of "prop." right +after ".gnu.linkonce." part of the name of the original section. So, for +section named ".gnu.linkonce.this_module" corresponding property section +name does not satisfy the assumption. Such section names are common in +linux modules. This bug was exposed by the patch "a35d5e8 Fix alignment +for the first section frag on xtensa", that makes gas produce property +section for each section that has ".align" directive in it. + +Use suffix that immediately follows ".gnu.linkonce.prop." when there are +no more dots following it. + +2014-07-10 Max Filippov <jcmvbkbc@gmail.com> + +ld/ + * emultempl/xtensaelf.em (is_inconsistent_linkonce_section): + correctly handle missing dot in section name after + ".gnu.linkonce.prop.". +--- +Backported from: e7d17e71cdc10a2e81e454ce3b9637f1b2a587f2 +Changes to ld/ChangeLog file are dropped. + + ld/emultempl/xtensaelf.em | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/ld/emultempl/xtensaelf.em b/ld/emultempl/xtensaelf.em +index 151eea4..948d18d 100644 +--- a/ld/emultempl/xtensaelf.em ++++ b/ld/emultempl/xtensaelf.em +@@ -1310,7 +1310,7 @@ is_inconsistent_linkonce_section (asection *sec) + for Tensilica's XCC compiler. */ + name = sec_name + linkonce_len; + if (CONST_STRNEQ (name, "prop.")) +- name = strchr (name + 5, '.') + 1; ++ name = strchr (name + 5, '.') ? strchr (name + 5, '.') + 1 : name + 5; + else if (name[1] == '.' + && (name[0] == 'p' || name[0] == 'e' || name[0] == 'h')) + name += 2; +-- +1.8.1.4 + diff --git a/packages/binutils/2.23.2/904-Fix-call8-call-target-out-of-range-xtensa-ld-relaxation.patch b/packages/binutils/2.23.2/904-Fix-call8-call-target-out-of-range-xtensa-ld-relaxation.patch new file mode 100644 index 0000000..dba7620 --- /dev/null +++ b/packages/binutils/2.23.2/904-Fix-call8-call-target-out-of-range-xtensa-ld-relaxation.patch @@ -0,0 +1,79 @@ +From 7fc39194f8fb48914c995f8ec3826d50086f1ec0 Mon Sep 17 00:00:00 2001 +From: Sterling Augustine <augustine.sterling@gmail.com> +Date: Tue, 25 Jan 2011 13:59:13 -0800 +Subject: [PATCH] Fix 'call8: call target out of range' xtensa ld relaxation + bug + +During link-time relaxation distance between cross-section call site and +its target may grow, producing 'call target out of range' error for +relaxed calls. Be more conservative when calculating whether or not a +callx can be converted to a straight call. + +2014-09-23 Sterling Augustine <augustine.sterling@gmail.com> + +bfd/ + * elf32-xtensa.c (is_resolvable_asm_expansion): for cross-section + call relaxation use furthermost addresses where call source and + destination can be to check whether it's in the range of a direct + call. + +Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> +--- + bfd/elf32-xtensa.c | 41 +++++++++++++++++++++++++++++++++++++---- + 1 file changed, 37 insertions(+), 4 deletions(-) + +diff --git a/bfd/elf32-xtensa.c b/bfd/elf32-xtensa.c +index 09862e3..e32496a 100644 +--- a/bfd/elf32-xtensa.c ++++ b/bfd/elf32-xtensa.c +@@ -7124,10 +7124,43 @@ is_resolvable_asm_expansion (bfd *abfd, + || is_reloc_sym_weak (abfd, irel))) + return FALSE; + +- self_address = (sec->output_section->vma +- + sec->output_offset + irel->r_offset + 3); +- dest_address = (target_sec->output_section->vma +- + target_sec->output_offset + target_offset); ++ if (target_sec->output_section != sec->output_section) ++ { ++ /* If the two sections are sufficiently far away that relaxation ++ might take the call out of range, we can't simplify. For ++ example, a positive displacement call into another memory ++ could get moved to a lower address due to literal removal, ++ but the destination won't move, and so the displacment might ++ get larger. ++ ++ If the displacement is negative, assume the destination could ++ move as far back as the start of the output section. The ++ self_address will be at least as far into the output section ++ as it is prior to relaxation. ++ ++ If the displacement is postive, assume the destination will be in ++ it's pre-relaxed location (because relaxation only makes sections ++ smaller). The self_address could go all the way to the beginning ++ of the output section. */ ++ ++ dest_address = target_sec->output_section->vma; ++ self_address = sec->output_section->vma; ++ ++ if (sec->output_section->vma > target_sec->output_section->vma) ++ self_address += sec->output_offset + irel->r_offset + 3; ++ else ++ dest_address += bfd_get_section_limit (abfd, target_sec->output_section); ++ /* Call targets should be four-byte aligned. */ ++ dest_address = (dest_address + 3) & ~3; ++ } ++ else ++ { ++ ++ self_address = (sec->output_section->vma ++ + sec->output_offset + irel->r_offset + 3); ++ dest_address = (target_sec->output_section->vma ++ + target_sec->output_offset + target_offset); ++ } + + *is_reachable_p = pcrel_reloc_fits (direct_call_opcode, 0, + self_address, dest_address); +-- +1.8.1.4 + diff --git a/packages/binutils/2.23.2/905-Fix-trampolines-search-code-for-conditional-branches.patch b/packages/binutils/2.23.2/905-Fix-trampolines-search-code-for-conditional-branches.patch new file mode 100644 index 0000000..8aeb064 --- /dev/null +++ b/packages/binutils/2.23.2/905-Fix-trampolines-search-code-for-conditional-branches.patch @@ -0,0 +1,90 @@ +From 415480d6471e67aef97c0241d451ef2423a1da9d Mon Sep 17 00:00:00 2001 +From: Max Filippov <jcmvbkbc@gmail.com> +Date: Tue, 25 Nov 2014 21:33:21 +0300 +Subject: [PATCH] Fix trampolines search code for conditional branches + +For conditional branches that need more than one trampoline to reach its +target assembler couldn't always find suitable trampoline because +post-loop condition check was placed inside the loop, resulting in +premature loop termination. Move check outside the loop. + +This fixes the following build errors seen when assembling huge files +produced by gcc: + Error: jump target out of range; no usable trampoline found + Error: operand 1 of 'j' has out of range value '307307' + +2014-11-25 Max Filippov <jcmvbkbc@gmail.com> + +gas/ + * config/tc-xtensa.c (search_trampolines): Move post-loop + condition check outside the search loop. + +gas/testsuite/ + * gas/xtensa/trampoline.d: Add expected output for branches. + * gas/xtensa/trampoline.s: Add test case for branches. + +Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> +--- +Backported from: d92b6eece424f0ad35d96fdd85bf207295e8c4c3 +Changes to ChangeLogs are dropped. + + gas/config/tc-xtensa.c | 8 ++++---- + gas/testsuite/gas/xtensa/trampoline.d | 9 +++++++++ + gas/testsuite/gas/xtensa/trampoline.s | 7 +++++++ + 3 files changed, 20 insertions(+), 4 deletions(-) + +diff --git a/gas/config/tc-xtensa.c b/gas/config/tc-xtensa.c +index d11b0c7..f23ccf8 100644 +--- a/gas/config/tc-xtensa.c ++++ b/gas/config/tc-xtensa.c +@@ -9514,11 +9514,11 @@ search_trampolines (TInsn *tinsn, fragS *fragP, bfd_boolean unreachable_only) + if (next_addr == 0 || addr - next_addr > J_RANGE) + break; + } +- if (abs (addr - this_addr) < J_RANGE) +- return tf; +- +- return NULL; + } ++ if (abs (addr - this_addr) < J_RANGE) ++ return tf; ++ ++ return NULL; + } + for ( ; tf; tf = tf->next) + { +diff --git a/gas/testsuite/gas/xtensa/trampoline.d b/gas/testsuite/gas/xtensa/trampoline.d +index b4f65dc..5ae32a6 100644 +--- a/gas/testsuite/gas/xtensa/trampoline.d ++++ b/gas/testsuite/gas/xtensa/trampoline.d +@@ -24,3 +24,12 @@ + .*33462:.*j.0x49407 + #... + .*49407:.*j.0x49407 ++.*4940a:.*beqz.n.a2,.0x4940f ++.*4940c:.*j.0x693d1 ++#... ++.*693d1:.*j.0x7ddd4 ++#... ++.*7ddd4:.*j.0x927f5 ++#... ++.*927f5:.*j.0x927f5 ++#... +diff --git a/gas/testsuite/gas/xtensa/trampoline.s b/gas/testsuite/gas/xtensa/trampoline.s +index 259a3bb..4465786 100644 +--- a/gas/testsuite/gas/xtensa/trampoline.s ++++ b/gas/testsuite/gas/xtensa/trampoline.s +@@ -19,3 +19,10 @@ + .endr + 3: + j 3b ++ bnez a2, 4f ++ .rep 50000 ++ and a2, a2, a3 ++ _ret ++ .endr ++4: ++ j 4b +-- +1.8.1.4 + diff --git a/packages/binutils/2.23.2/911-xtensa-fix-localized-symbol-refcounting-with-gc-sect.patch b/packages/binutils/2.23.2/911-xtensa-fix-localized-symbol-refcounting-with-gc-sect.patch new file mode 100644 index 0000000..9ad6b3b --- /dev/null +++ b/packages/binutils/2.23.2/911-xtensa-fix-localized-symbol-refcounting-with-gc-sect.patch @@ -0,0 +1,57 @@ +From 8ec76b16f62d1bf386fb2c39af5f66c3afddc5cb Mon Sep 17 00:00:00 2001 +From: Max Filippov <jcmvbkbc@gmail.com> +Date: Thu, 14 May 2015 05:22:55 +0300 +Subject: [PATCH] xtensa: fix localized symbol refcounting with --gc-sections + +elf_xtensa_gc_sweep_hook doesn't correctly unreference symbols that were +made local, that results in link failure with the following message: + + BFD (GNU Binutils) 2.24 internal error, aborting at elf32-xtensa.c line + 3372 in elf_xtensa_finish_dynamic_sections + +elf_xtensa_gc_sweep_hook determines symbol reference type (PLT or GOT) by +relocation type. Relocation types are not changed when symbol becomes +local, but its PLT references are added to GOT references and +plt.refcount is set to 0. Such symbol cannot be unreferences in the +elf_xtensa_gc_sweep_hook and its extra references make calculated GOT +relocations section size not match number of GOT relocations. + +Fix it by treating PLT reference as GOT reference when plt.refcount is +not positive. + +2015-05-14 Max Filippov <jcmvbkbc@gmail.com> +bfd/ + * elf32-xtensa.c (elf_xtensa_gc_sweep_hook): Treat PLT reference + as GOT reference when plt.refcount is not positive. + +Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> +--- +Backported from: e6c9a083ec5ae7a45bd71682b26aae1939849388 +Changes to ChangeLog are dropped. + + bfd/elf32-xtensa.c | 6 +++++- + 1 file changed, 5 insertions(+), 1 deletion(-) + +diff --git a/bfd/elf32-xtensa.c b/bfd/elf32-xtensa.c +index 53af1c6..2523670 100644 +--- a/bfd/elf32-xtensa.c ++++ b/bfd/elf32-xtensa.c +@@ -1360,10 +1360,14 @@ elf_xtensa_gc_sweep_hook (bfd *abfd, + { + if (is_plt) + { ++ /* If the symbol has been localized its plt.refcount got moved ++ to got.refcount. Handle it as GOT. */ + if (h->plt.refcount > 0) + h->plt.refcount--; ++ else ++ is_got = TRUE; + } +- else if (is_got) ++ if (is_got) + { + if (h->got.refcount > 0) + h->got.refcount--; +-- +1.8.1.4 + diff --git a/packages/binutils/2.23.2/912-xtensa-fix-gas-segfault-with-text-section-literals.patch b/packages/binutils/2.23.2/912-xtensa-fix-gas-segfault-with-text-section-literals.patch new file mode 100644 index 0000000..4a3de2c --- /dev/null +++ b/packages/binutils/2.23.2/912-xtensa-fix-gas-segfault-with-text-section-literals.patch @@ -0,0 +1,56 @@ +From 2d0522e76e4afeeb2e104e0a4332d94fa0d2fbf6 Mon Sep 17 00:00:00 2001 +From: Max Filippov <jcmvbkbc@gmail.com> +Date: Sun, 17 May 2015 06:46:15 +0300 +Subject: [PATCH] xtensa: fix gas segfault with --text-section-literals + +When --text-section-literals is used and code in the .init or .fini +emits literal in the absence of .literal_position, xtensa_move_literals +segfaults. + +Check that search_frag is non-NULL in the xtensa_move_literals and +report error otherwise. + +2015-05-26 Max Filippov <jcmvbkbc@gmail.com> +gas/ + * config/tc-xtensa.c (xtensa_move_literals): Check that + search_frag is non-NULL. Report error if literal frag is not + found. + +Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> +--- +Backported from: 4de0562a4c69fef4952aa7e19d7bda359f02e8b4 +Changes to ChangeLog are dropped. + + gas/config/tc-xtensa.c | 10 +++++++++- + 1 file changed, 9 insertions(+), 1 deletion(-) + +diff --git a/gas/config/tc-xtensa.c b/gas/config/tc-xtensa.c +index 31c0b6b..18307c1 100644 +--- a/gas/config/tc-xtensa.c ++++ b/gas/config/tc-xtensa.c +@@ -10808,13 +10808,21 @@ xtensa_move_literals (void) + frchain_to = NULL; + frag_splice = &(frchain_from->frch_root); + +- while (!search_frag->tc_frag_data.literal_frag) ++ while (search_frag && !search_frag->tc_frag_data.literal_frag) + { + gas_assert (search_frag->fr_fix == 0 + || search_frag->fr_type == rs_align); + search_frag = search_frag->fr_next; + } + ++ if (!search_frag) ++ { ++ search_frag = frchain_from->frch_root; ++ as_bad_where (search_frag->fr_file, search_frag->fr_line, ++ _("literal pool location required for text-section-literals; specify with .literal_position")); ++ continue; ++ } ++ + gas_assert (search_frag->tc_frag_data.literal_frag->fr_subtype + == RELAX_LITERAL_POOL_BEGIN); + xtensa_switch_section_emit_state (&state, segment->seg, 0); +-- +1.8.1.4 + diff --git a/packages/binutils/2.23.2/914-xtensa-fix-signedness-of-gas-relocations.patch b/packages/binutils/2.23.2/914-xtensa-fix-signedness-of-gas-relocations.patch new file mode 100644 index 0000000..2955e11 --- /dev/null +++ b/packages/binutils/2.23.2/914-xtensa-fix-signedness-of-gas-relocations.patch @@ -0,0 +1,47 @@ +From 6c7c5c477ef9ccf2d2548cf2ac3cec9bd3c9c5b6 Mon Sep 17 00:00:00 2001 +From: Max Filippov <jcmvbkbc@gmail.com> +Date: Tue, 2 Feb 2016 17:11:38 +0300 +Subject: [PATCH] xtensa: fix signedness of gas relocations + +Change 1058c7532d0b "Use signed data type for R_XTENSA_DIFF* relocation +offsets." changed signedness of BFD_RELOC_XTENSA_DIFF* relocations +substituted for BFD_RELOC_*. This made it impossible to encode arbitrary +8-, 16- and 32-bit values, which broke e.g. debug info encoding by .loc +directive. Revert this part and add test. + +gas/ +2016-02-03 Max Filippov <jcmvbkbc@gmail.com> + * config/tc-xtensa.c (md_apply_fix): Mark BFD_RELOC_XTENSA_DIFF* + substitutions for BFD_RELOC_* as unsigned. + +Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> +--- + gas/config/tc-xtensa.c | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +diff --git a/gas/config/tc-xtensa.c b/gas/config/tc-xtensa.c +index a119871..36a06cc 100644 +--- a/gas/config/tc-xtensa.c ++++ b/gas/config/tc-xtensa.c +@@ -5961,15 +5961,15 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg) + { + case BFD_RELOC_8: + fixP->fx_r_type = BFD_RELOC_XTENSA_DIFF8; +- fixP->fx_signed = 1; ++ fixP->fx_signed = 0; + break; + case BFD_RELOC_16: + fixP->fx_r_type = BFD_RELOC_XTENSA_DIFF16; +- fixP->fx_signed = 1; ++ fixP->fx_signed = 0; + break; + case BFD_RELOC_32: + fixP->fx_r_type = BFD_RELOC_XTENSA_DIFF32; +- fixP->fx_signed = 1; ++ fixP->fx_signed = 0; + break; + default: + break; +-- +2.1.4 + diff --git a/packages/binutils/2.23.2/915-xtensa-fix-.init-.fini-literals-moving.patch b/packages/binutils/2.23.2/915-xtensa-fix-.init-.fini-literals-moving.patch new file mode 100644 index 0000000..62bc4b5 --- /dev/null +++ b/packages/binutils/2.23.2/915-xtensa-fix-.init-.fini-literals-moving.patch @@ -0,0 +1,70 @@ +From 7db2accc3fdea0aaa0c3a76a413d8e8030e022c3 Mon Sep 17 00:00:00 2001 +From: Max Filippov <jcmvbkbc@gmail.com> +Date: Tue, 16 Feb 2016 02:23:28 +0300 +Subject: [PATCH] xtensa: fix .init/.fini literals moving + +Despite the documentation and the comment in xtensa_move_literals, in +the presence of --text-section-literals and --auto-litpools literals are +moved from the separate literal sections into .init and .fini, because +the check in the xtensa_move_literals is incorrect. + +This moving was broken with introduction of auto litpools: some literals +now may be lost. This happens because literal frags emitted from .init +and .fini are not closed when new .literal_position marks new literal +pool. Then frag_align(2, 0, 0) changes type of the last literal frag to +rs_align. rs_align frags are skipped in the xtensa_move_literals. As a +result fixups against such literals are not moved out of .init.literal/ +.fini.literal sections producing the following assembler error: + + test.S: Warning: fixes not all moved from .init.literal + test.S: Internal error! + +Fix check for .init.literal/.fini.literal in the xtensa_move_literals +and don't let it move literals from there in the presence of +--text-section-literals or --auto-litpools. + +2016-02-17 Max Filippov <jcmvbkbc@gmail.com> +gas/ + * config/tc-xtensa.c (xtensa_move_literals): Fix check for + .init.literal/.fini.literal section name. + +Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> +--- +Backported from: 4111950f363221c4641dc2f33bea61cc94f34906 + + gas/config/tc-xtensa.c | 12 ++++++++++-- + 1 file changed, 10 insertions(+), 2 deletions(-) + +diff --git a/gas/config/tc-xtensa.c b/gas/config/tc-xtensa.c +index 36a06cc..5773634 100644 +--- a/gas/config/tc-xtensa.c ++++ b/gas/config/tc-xtensa.c +@@ -10625,5 +10625,9 @@ xtensa_move_literals (void) + fixS *fix, *next_fix, **fix_splice; + sym_list *lit; ++ const char *init_name = INIT_SECTION_NAME; ++ const char *fini_name = FINI_SECTION_NAME; ++ int init_name_len = strlen(init_name); ++ int fini_name_len = strlen(fini_name); + + mark_literal_frags (literal_head->next); + +@@ -10632,9 +10636,13 @@ xtensa_move_literals (void) + + for (segment = literal_head->next; segment; segment = segment->next) + { ++ const char *seg_name = segment_name (segment->seg); ++ + /* Keep the literals for .init and .fini in separate sections. */ +- if (!strcmp (segment_name (segment->seg), INIT_SECTION_NAME) +- || !strcmp (segment_name (segment->seg), FINI_SECTION_NAME)) ++ if ((!memcmp (seg_name, init_name, init_name_len) && ++ !strcmp (seg_name + init_name_len, ".literal")) || ++ (!memcmp (seg_name, fini_name, fini_name_len) && ++ !strcmp (seg_name + fini_name_len, ".literal"))) + continue; + + frchain_from = seg_info (segment->seg)->frchainP; +-- +2.1.4 + diff --git a/packages/binutils/2.23.2/version.desc b/packages/binutils/2.23.2/version.desc new file mode 100644 index 0000000..fcfe389 --- /dev/null +++ b/packages/binutils/2.23.2/version.desc @@ -0,0 +1 @@ +obsolete='yes' |