X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=ld%2FNEWS;h=9795b58a5f11ac406a6d13e836f5d21218f91de6;hb=eea9e35758138f83e8c44e0e5a5e47e351f8f31a;hp=eafcaf33cb7b50b5bacbe1e21a92b1d27584f537;hpb=9176ac5bfce8c1771063c2514b7d46efa613cc1b;p=deliverable%2Fbinutils-gdb.git diff --git a/ld/NEWS b/ld/NEWS index eafcaf33cb..9795b58a5f 100644 --- a/ld/NEWS +++ b/ld/NEWS @@ -1,12 +1,81 @@ -*- text -*- +* Add command-line options --enable-non-contiguous-regions and + --enable-non-contiguous-regions-warnings. + +* Add command-line option --imagic for the pdp11-aout target to output format + IMAGIC (0411) for separate instruction and data spaces, and change the + default format option for pdp11-aout to be --omagic. + +Changes in 2.34: + +* The ld check for "PHDR segment not covered by LOAD segment" is more + effective, catching cases that were wrongly allowed by previous versions of + ld. If you see this error it is likely you are linking with a bad linker + script or the binary you are building is not intended to be loaded by a + dynamic loader. In the latter case --no-dynamic-linker is appropriate. + +* cr16c support removed. + +* Add support for z80-elf. + +* Add support for relocation of each byte or word of multibyte value to Z80 + targets. + +* Add support for Zilog eZ80 (both ADL and Z80 mode) and Zilog Z180 CPUs. + +Changes in 2.33: + +* Add command-line option --no-print-map-discarded. + +* The Cortex-A53 Erratum 843419 workaround now supports a choice of which + workaround to use. The option --fix-cortex-a53-843419 now takes an + optional argument --fix-cortex-a53-843419[=full|adr|adrp] which can be + used to force a particular workaround to be used. See --help for AArch64 + for more details. + +* Add target handlers for AArch64 for ELF GNU program properties. + +* Add support for GNU_PROPERTY_AARCH64_FEATURE_1_BTI in ELF GNU program + properties in the AArch64 ELF linker. + +* Add support for GNU_PROPERTY_AARCH64_FEATURE_1_PAC in ELF GNU program + properties in the AArch64 ELF linker. + +* Add -z force-bti for AArch64 to enable GNU_PROPERTY_AARCH64_FEATURE_1_BTI + on output while warning about missing GNU_PROPERTY_AARCH64_FEATURE_1_BTI + on inputs and use PLTs protected with BTI. + +* Add -z pac-plt for AArch64 to pick PAC enabled PLTs. + +Changes in 2.32: + +* Report property change in linker map file when merging GNU properties. + +* Add support for the C-SKY processor series. + +* -t now doesn't report members within archives, unless -t is given twice. + A single -t is now more useful when generating a list of files that should be + packaged for a linker bug report. For example: + gcc hello.c -save-temps -Wl,-t | xargs realpath | sort | uniq > files + tar cJf test.tar.xz `cat files` + +Changes in 2.31: + +* Speed up direct linking with DLLs for Cygwin and Mingw targets. + +* Add a configure option --enable-separate-code to decide whether + -z separate-code should be enabled in ELF linker by default. Default + to yes for Linux/x86 targets. Note that -z separate-code can increase + disk and memory size. + Changes in 2.30: * Add -z separate-code to generate separate code PT_LOAD segment. -* Add "-z undefs" command line option as the inverse of the "-z defs" option. +* Add "-z undefs" command-line option as the inverse of the "-z defs" option. -* Add -z globalaudit command line option to force audit libraries to be run +* Add -z globalaudit command-line option to force audit libraries to be run for every dynamic object loaded by an executable - provided that the loader supports this functionality. @@ -63,7 +132,7 @@ Changes in 2.28: * Add support for the RISC-V architecture. -* The command line option --no-eh-frame-hdr can now be used in ELF based +* The command-line option --no-eh-frame-hdr can now be used in ELF based linkers to disable the automatic generation of .eh_frame_hdr sections. * Add --in-implib= to the ARM linker to enable specifying a set of @@ -111,10 +180,10 @@ Changes in 2.26: * Experimental support for linker garbage collection (--gc-sections) has been enabled for COFF and PE based targets. -* New command line option for ELF targets to compress DWARF debug +* New command-line option for ELF targets to compress DWARF debug sections, --compress-debug-sections=[none|zlib|zlib-gnu|zlib-gabi]. -* New command line option, --orphan-handling=[place|warn|error|discard], to +* New command-line option, --orphan-handling=[place|warn|error|discard], to adjust how orphan sections are handled. The default is 'place' which gives the current behaviour, 'warn' and 'error' issue a warning or error respectively when orphan sections are found, and 'discard' will discard all @@ -131,11 +200,11 @@ Changes in 2.25: * PE binaries now once again contain real timestamps by default. To disable the inclusion of a timestamp in a PE binary, use the --no-insert-timestamp - command line option. + command-line option. * Replace support for openrisc and or32 with support for or1k. -* Add support for the --build-id command line option to COFF based targets. +* Add support for the --build-id command-line option to COFF based targets. * x86/x86_64 pe-coff now supports the --build-id option. @@ -261,7 +330,7 @@ Changes in 2.20: latter case the library is not linked if it is found in a DT_NEEDED entry of one of the libraries already linked. -* Add a new command line option, -Ttext-segment ADDR, for ELF targets +* Add a new command-line option, -Ttext-segment ADDR, for ELF targets to set the address of the first byte of the text segment. * Add support for Sunplus score architecture. @@ -296,11 +365,11 @@ Changes in 2.19: direction of sorting. * The M68K linker now supports multiple GOT generation schemes controlled via - the --got= command line option. + the --got= command-line option. * The ARM EABI linker will now generate stubs for function calls to symbols that are too far away. The placement of the stubs is controlled by a new - linker command line option: --stub-group-size=N. + linker command-line option: --stub-group-size=N. Changes in 2.18: @@ -315,7 +384,7 @@ Changes in 2.18: * -l:foo now searches the library path for a filename called foo, without converting it to libfoo.a or libfoo.so. -* Add a new command line option '--default-script=FILE' or '-dT FILE' +* Add a new command-line option '--default-script=FILE' or '-dT FILE' which specifies a replacement for the built in, default linker script. @@ -389,7 +458,7 @@ Changes in 2.16: language to permit sorting sections by section name or section maximum alignment. -* Added a new linker command line switch, --sort-section name|alignment, +* Added a new linker command-line switch, --sort-section name|alignment, to sort sections by section name or maximum alignment. * ELF: --add-needed/--no-add-needed options to control if a DT_NEEDED tag @@ -399,7 +468,7 @@ Changes in 2.16: * Support for the sh-symbianelf target added. -* A new linker command line switch has been added which allows the hash table +* A new linker command-line switch has been added which allows the hash table size to be set to a suitable prime value near to its argument. This switch is --hash-size=. Also if the switch --reduce-memory-overheads is used, and --hash-size has not been used, then the default value will be set @@ -499,7 +568,7 @@ Changes in version 2.11: * TI C54x support, by Timothy Wall. -* Added command line switch --section-start to set the start address of any +* Added command-line switch --section-start to set the start address of any specified section. * Added ability to emit full relocation information in linked executables, @@ -719,7 +788,7 @@ Changes in version 2.1: other utilities should work on Risc/Ultrix and Irix. -Copyright (C) 2012-2018 Free Software Foundation, Inc. +Copyright (C) 2012-2020 Free Software Foundation, Inc. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright