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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.
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