mirror of
https://github.com/ianlancetaylor/libbacktrace.git
synced 2026-03-25 11:39:06 +08:00
libbacktrace: support MiniDebugInfo
libbacktrace/ChangeLog: PR libbacktrace/93608 Add support for MiniDebugInfo. * elf.c (struct elf_view): Define. Replace most uses of backtrace_view with elf_view. (elf_get_view): New static functions. Replace most calls of backtrace_get_view with elf_get_view. (elf_release_view): New static functions. Replace most calls of backtrace_release_view with elf_release_view. (elf_uncompress_failed): Rename from elf_zlib_failed. Change all callers. (LZMA_STATES, LZMA_POS_STATES, LZMA_DIST_STATES): Define. (LZMA_DIST_SLOTS, LZMA_DIST_MODEL_START): Define. (LZMA_DIST_MODEL_END, LZMA_FULL_DISTANCES): Define. (LZMA_ALIGN_SIZE, LZMA_LEN_LOW_SYMBOLS): Define. (LZMA_LEN_MID_SYMBOLS, LZMA_LEN_HIGH_SYMBOLS): Define. (LZMA_LITERAL_CODERS_MAX, LZMA_LITERAL_CODER_SIZE): Define. (LZMA_PROB_IS_MATCH_LEN, LZMA_PROB_IS_REP_LEN): Define. (LZMA_PROB_IS_REP0_LEN, LZMA_PROB_IS_REP1_LEN): Define. (LZMA_PROB_IS_REP2_LEN, LZMA_PROB_IS_REP0_LONG_LEN): Define. (LZMA_PROB_DIST_SLOT_LEN, LZMA_PROB_DIST_SPECIAL_LEN): Define. (LZMA_PROB_DIST_ALIGN_LEN): Define. (LZMA_PROB_MATCH_LEN_CHOICE_LEN): Define. (LZMA_PROB_MATCH_LEN_CHOICE2_LEN): Define. (LZMA_PROB_MATCH_LEN_LOW_LEN): Define. (LZMA_PROB_MATCH_LEN_MID_LEN): Define. (LZMA_PROB_MATCH_LEN_HIGH_LEN): Define. (LZMA_PROB_REP_LEN_CHOICE_LEN): Define. (LZMA_PROB_REP_LEN_CHOICE2_LEN): Define. (LZMA_PROB_REP_LEN_LOW_LEN): Define. (LZMA_PROB_REP_LEN_MID_LEN): Define. (LZMA_PROB_REP_LEN_HIGH_LEN): Define. (LZMA_PROB_LITERAL_LEN): Define. (LZMA_PROB_IS_MATCH_OFFSET, LZMA_PROB_IS_REP_OFFSET): Define. (LZMA_PROB_IS_REP0_OFFSET, LZMA_PROB_IS_REP1_OFFSET): Define. (LZMA_PROB_IS_REP2_OFFSET): Define. (LZMA_PROB_IS_REP0_LONG_OFFSET): Define. (LZMA_PROB_DIST_SLOT_OFFSET): Define. (LZMA_PROB_DIST_SPECIAL_OFFSET): Define. (LZMA_PROB_DIST_ALIGN_OFFSET): Define. (LZMA_PROB_MATCH_LEN_CHOICE_OFFSET): Define. (LZMA_PROB_MATCH_LEN_CHOICE2_OFFSET): Define. (LZMA_PROB_MATCH_LEN_LOW_OFFSET): Define. (LZMA_PROB_MATCH_LEN_MID_OFFSET): Define. (LZMA_PROB_MATCH_LEN_HIGH_OFFSET): Define. (LZMA_PROB_REP_LEN_CHOICE_OFFSET): Define. (LZMA_PROB_REP_LEN_CHOICE2_OFFSET): Define. (LZMA_PROB_REP_LEN_LOW_OFFSET): Define. (LZMA_PROB_REP_LEN_MID_OFFSET): Define. (LZMA_PROB_REP_LEN_HIGH_OFFSET): Define. (LZMA_PROB_LITERAL_OFFSET): Define. (LZMA_PROB_TOTAL_COUNT): Define. (LZMA_IS_MATCH, LZMA_IS_REP, LZMA_IS_REP0): Define. (LZMA_IS_REP1, LZMA_IS_REP2, LZMA_IS_REP0_LONG): Define. (LZMA_DIST_SLOT, LZMA_DIST_SPECIAL, LZMA_DIST_ALIGN): Define. (LZMA_MATCH_LEN_CHOICE, LZMA_MATCH_LEN_CHOICE2): Define. (LZMA_MATCH_LEN_LOW, LZMA_MATCH_LEN_MID): Define. (LZMA_MATCH_LEN_HIGH, LZMA_REP_LEN_CHOICE): Define. (LZMA_REP_LEN_CHOICE2, LZMA_REP_LEN_LOW): Define. (LZMA_REP_LEN_MID, LZMA_REP_LEN_HIGH, LZMA_LITERAL): Define. (elf_lzma_varint): New static function. (elf_lzma_range_normalize): New static function. (elf_lzma_bit, elf_lzma_integer): New static functions. (elf_lzma_reverse_integer): New static function. (elf_lzma_len, elf_uncompress_lzma_block): New static functions. (elf_uncompress_lzma): New static function. (backtrace_uncompress_lzma): New function. (elf_add): Add memory and memory_size parameters. Change all callers. Look for .gnu_debugdata section, and, if found, decompress it and use it for symbols and debug info. Permit the descriptor parameter to be -1. * internal.h (backtrace_uncompress_lzma): Declare. * mtest.c: New file. * xztest.c: New file. * configure.ac: Check for nm, xz, and comm programs. Check for liblzma library. (HAVE_MINIDEBUG): Define. * Makefile.am (mtest_SOURCES): Define. (mtest_CFLAGS, mtest_LDADD): Define. (TESTS): Add mtest_minidebug if HAVE_MINIDEBUG. (%_minidebug): New pattern rule, if HAVE_MINIDEBUG. (xztest_SOURCES, xztest_CFLAGS, xztest_LDADD): Define. (xztest_alloc_SOURCES, xztest_alloc_CFLAGS): Define (xztest_alloc_LDADD): Define. (BUILDTESTS): Add mtest, xztest, xztest_alloc. (CLEANFILES): Add files created by minidebug pattern. (btest.lo): Correct INCDIR reference. (mtest.lo, xztest.lo, ztest.lo): New targets. * configure: Regenerate. * config.h.in: Regenerate. * Makefile.in: Regenerate. Close #38
This commit is contained in:
Ian Lance Taylor
224
configure
vendored
224
configure
vendored
@@ -635,6 +635,16 @@ LTLIBOBJS
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LIBOBJS
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NATIVE_FALSE
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NATIVE_TRUE
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HAVE_LIBLZMA_FALSE
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HAVE_LIBLZMA_TRUE
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HAVE_MINIDEBUG_FALSE
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HAVE_MINIDEBUG_TRUE
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HAVE_COMM_FALSE
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HAVE_COMM_TRUE
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COMM
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HAVE_XZ_FALSE
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HAVE_XZ_TRUE
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XZ
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HAVE_DSYMUTIL_FALSE
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HAVE_DSYMUTIL_TRUE
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HAVE_OBJCOPY_DEBUGLINK_FALSE
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@@ -802,7 +812,8 @@ LIBS
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CPPFLAGS
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CPP
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OBJCOPY
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DSYMUTIL'
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DSYMUTIL
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NM'
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# Initialize some variables set by options.
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@@ -1456,6 +1467,7 @@ Some influential environment variables:
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CPP C preprocessor
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OBJCOPY location of objcopy
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DSYMUTIL location of dsymutil
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NM location of nm
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Use these variables to override the choices made by `configure' or to help
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it to find libraries and programs with nonstandard names/locations.
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@@ -11269,7 +11281,7 @@ else
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lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
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lt_status=$lt_dlunknown
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cat > conftest.$ac_ext <<_LT_EOF
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#line 11272 "configure"
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#line 11284 "configure"
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#include "confdefs.h"
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#if HAVE_DLFCN_H
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@@ -11375,7 +11387,7 @@ else
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lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
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lt_status=$lt_dlunknown
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cat > conftest.$ac_ext <<_LT_EOF
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#line 11378 "configure"
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#line 11390 "configure"
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#include "confdefs.h"
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#if HAVE_DLFCN_H
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@@ -12944,6 +12956,196 @@ else
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fi
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# Extract the first word of "nm", so it can be a program name with args.
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set dummy nm; ac_word=$2
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
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$as_echo_n "checking for $ac_word... " >&6; }
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if ${ac_cv_prog_NM+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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if test -n "$NM"; then
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ac_cv_prog_NM="$NM" # Let the user override the test.
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else
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as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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for as_dir in $PATH
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do
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IFS=$as_save_IFS
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test -z "$as_dir" && as_dir=.
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for ac_exec_ext in '' $ac_executable_extensions; do
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if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
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ac_cv_prog_NM="nm"
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$as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
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break 2
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fi
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done
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done
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IFS=$as_save_IFS
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fi
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fi
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NM=$ac_cv_prog_NM
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if test -n "$NM"; then
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $NM" >&5
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$as_echo "$NM" >&6; }
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else
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
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$as_echo "no" >&6; }
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fi
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# Extract the first word of "xz", so it can be a program name with args.
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set dummy xz; ac_word=$2
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
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$as_echo_n "checking for $ac_word... " >&6; }
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if ${ac_cv_prog_XZ+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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if test -n "$XZ"; then
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ac_cv_prog_XZ="$XZ" # Let the user override the test.
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else
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as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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for as_dir in $PATH
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do
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IFS=$as_save_IFS
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test -z "$as_dir" && as_dir=.
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for ac_exec_ext in '' $ac_executable_extensions; do
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if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
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ac_cv_prog_XZ="xz"
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$as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
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break 2
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fi
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done
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done
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IFS=$as_save_IFS
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fi
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fi
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XZ=$ac_cv_prog_XZ
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if test -n "$XZ"; then
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $XZ" >&5
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$as_echo "$XZ" >&6; }
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else
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
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$as_echo "no" >&6; }
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fi
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if test "$XZ" != ""; then
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HAVE_XZ_TRUE=
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HAVE_XZ_FALSE='#'
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else
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HAVE_XZ_TRUE='#'
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HAVE_XZ_FALSE=
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fi
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# Extract the first word of "comm", so it can be a program name with args.
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set dummy comm; ac_word=$2
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
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$as_echo_n "checking for $ac_word... " >&6; }
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if ${ac_cv_prog_COMM+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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if test -n "$COMM"; then
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ac_cv_prog_COMM="$COMM" # Let the user override the test.
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else
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as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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for as_dir in $PATH
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do
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IFS=$as_save_IFS
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test -z "$as_dir" && as_dir=.
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for ac_exec_ext in '' $ac_executable_extensions; do
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if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
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ac_cv_prog_COMM="comm"
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$as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
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break 2
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fi
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done
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done
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IFS=$as_save_IFS
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fi
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fi
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COMM=$ac_cv_prog_COMM
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if test -n "$COMM"; then
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $COMM" >&5
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$as_echo "$COMM" >&6; }
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else
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
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$as_echo "no" >&6; }
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fi
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if test "$COMM" != ""; then
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HAVE_COMM_TRUE=
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HAVE_COMM_FALSE='#'
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else
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HAVE_COMM_TRUE='#'
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HAVE_COMM_FALSE=
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fi
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if test "${with_target_subdir}" = "" -a "$FORMAT_FILE" = "elf.lo" -a "${OBJCOPY}" != "" -a "${NM}" != "" -a "${XZ}" != "" -a "${COMM}" != ""; then
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HAVE_MINIDEBUG_TRUE=
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HAVE_MINIDEBUG_FALSE='#'
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else
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HAVE_MINIDEBUG_TRUE='#'
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HAVE_MINIDEBUG_FALSE=
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for lzma_auto_decoder in -llzma" >&5
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$as_echo_n "checking for lzma_auto_decoder in -llzma... " >&6; }
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if ${ac_cv_lib_lzma_lzma_auto_decoder+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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ac_check_lib_save_LIBS=$LIBS
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LIBS="-llzma $LIBS"
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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/* Override any GCC internal prototype to avoid an error.
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Use char because int might match the return type of a GCC
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builtin and then its argument prototype would still apply. */
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#ifdef __cplusplus
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extern "C"
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#endif
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char lzma_auto_decoder ();
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int
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main ()
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{
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return lzma_auto_decoder ();
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_link "$LINENO"; then :
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ac_cv_lib_lzma_lzma_auto_decoder=yes
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else
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ac_cv_lib_lzma_lzma_auto_decoder=no
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fi
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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LIBS=$ac_check_lib_save_LIBS
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_lzma_lzma_auto_decoder" >&5
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$as_echo "$ac_cv_lib_lzma_lzma_auto_decoder" >&6; }
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if test "x$ac_cv_lib_lzma_lzma_auto_decoder" = xyes; then :
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$as_echo "#define HAVE_LIBLZMA 1" >>confdefs.h
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fi
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if test "$ac_cv_lib_lzma_lzma_auto_decoder" = yes; then
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HAVE_LIBLZMA_TRUE=
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HAVE_LIBLZMA_FALSE='#'
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else
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HAVE_LIBLZMA_TRUE='#'
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HAVE_LIBLZMA_FALSE=
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether tests can run" >&5
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$as_echo_n "checking whether tests can run... " >&6; }
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if ${libbacktrace_cv_sys_native+:} false; then :
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@@ -13160,6 +13362,22 @@ if test -z "${HAVE_DSYMUTIL_TRUE}" && test -z "${HAVE_DSYMUTIL_FALSE}"; then
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as_fn_error $? "conditional \"HAVE_DSYMUTIL\" was never defined.
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Usually this means the macro was only invoked conditionally." "$LINENO" 5
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fi
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if test -z "${HAVE_XZ_TRUE}" && test -z "${HAVE_XZ_FALSE}"; then
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as_fn_error $? "conditional \"HAVE_XZ\" was never defined.
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Usually this means the macro was only invoked conditionally." "$LINENO" 5
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fi
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if test -z "${HAVE_COMM_TRUE}" && test -z "${HAVE_COMM_FALSE}"; then
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as_fn_error $? "conditional \"HAVE_COMM\" was never defined.
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Usually this means the macro was only invoked conditionally." "$LINENO" 5
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fi
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if test -z "${HAVE_MINIDEBUG_TRUE}" && test -z "${HAVE_MINIDEBUG_FALSE}"; then
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as_fn_error $? "conditional \"HAVE_MINIDEBUG\" was never defined.
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Usually this means the macro was only invoked conditionally." "$LINENO" 5
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fi
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if test -z "${HAVE_LIBLZMA_TRUE}" && test -z "${HAVE_LIBLZMA_FALSE}"; then
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as_fn_error $? "conditional \"HAVE_LIBLZMA\" was never defined.
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Usually this means the macro was only invoked conditionally." "$LINENO" 5
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fi
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if test -z "${NATIVE_TRUE}" && test -z "${NATIVE_FALSE}"; then
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as_fn_error $? "conditional \"NATIVE\" was never defined.
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Usually this means the macro was only invoked conditionally." "$LINENO" 5
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