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from 528e15722b Replace some uses of xstrprintf with string_printf new 4485a1c1d8 Make index reading functions more modular new 5c831bb1eb Introduce mmap_file function new 8a99096f31 Import gnulib's mkdir module new 87d6a7aa93 Add DWARF index cache new 7d11235d04 Add doc and news for DWARF index cache

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Summary of changes: gdb/ChangeLog | 67 +++++ gdb/Makefile.in | 3 + gdb/NEWS | 3 + gdb/build-id.h | 11 + gdb/common/pathstuff.c | 24 ++ gdb/common/pathstuff.h | 10 + gdb/common/scoped_mmap.c | 48 ++++ gdb/common/scoped_mmap.h | 26 +- gdb/doc/ChangeLog | 5 + gdb/doc/gdb.texinfo | 28 ++ gdb/dwarf-index-cache.c | 463 +++++++++++++++++++++++++++++++++ gdb/dwarf-index-cache.h | 112 ++++++++ gdb/dwarf-index-common.h | 5 + gdb/dwarf-index-write.c | 83 ++++-- gdb/dwarf-index-write.h | 34 +++ gdb/dwarf2read.c | 167 ++++++++---- gdb/dwarf2read.h | 5 + gdb/gnulib/aclocal.m4 | 1 + gdb/gnulib/config.in | 4 + gdb/gnulib/configure | 126 +++++++++ gdb/gnulib/import/Makefile.am | 11 +- gdb/gnulib/import/Makefile.in | 16 +- gdb/gnulib/import/m4/gnulib-cache.m4 | 3 +- gdb/gnulib/import/m4/gnulib-comp.m4 | 7 + gdb/gnulib/import/m4/mkdir.m4 | 69 +++++ gdb/gnulib/import/mkdir.c | 93 +++++++ gdb/gnulib/update-gnulib.sh | 1 + gdb/testsuite/ChangeLog | 7 + gdb/testsuite/gdb.base/index-cache.c | 23 ++ gdb/testsuite/gdb.base/index-cache.exp | 193 ++++++++++++++ gdb/testsuite/gdb.base/maint.exp | 24 ++ gdb/unittests/scoped_mmap-selftests.c | 54 ++++ 32 files changed, 1644 insertions(+), 82 deletions(-) create mode 100644 gdb/common/scoped_mmap.c create mode 100644 gdb/dwarf-index-cache.c create mode 100644 gdb/dwarf-index-cache.h create mode 100644 gdb/dwarf-index-write.h create mode 100644 gdb/gnulib/import/m4/mkdir.m4 create mode 100644 gdb/gnulib/import/mkdir.c create mode 100644 gdb/testsuite/gdb.base/index-cache.c create mode 100644 gdb/testsuite/gdb.base/index-cache.exp