mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-05 08:14:19 +08:00
a91e1603af
Mark an ALLOC section, which should be placed in special memory area, with SHF_GNU_MBIND. Its sh_info field indicates the special memory type. GNU_MBIND section names start with ".mbind" so that they are placed as orphan sections by linker. All input GNU_MBIND sections with the same sh_type, sh_flags and sh_info are placed in one output GNU_MBIND section. In executable and shared object, create a GNU_MBIND segment for each GNU_MBIND section and its segment type is PT_GNU_MBIND_LO plus the sh_info value. Each GNU_MBIND segment is aligned at page boundary. The assembler syntax: .section .mbind.foo,"adx",%progbits ^ 0: Special memory type. | 'd' for SHF_GNU_MBIND. .section .mbind.foo,"adx",%progbits,0x1 ^ 1: Special memory type. | 'd' for SHF_GNU_MBIND. .section .mbind.bar,"adG",%progbits,.foo_group,comdat,0x2 ^ 2: Special memory type. | 'd' for SHF_GNU_MBIND. bfd/ * elf.c (get_program_header_size): Add a GNU_MBIND segment for each GNU_MBIND section and align GNU_MBIND section to page size. (_bfd_elf_map_sections_to_segments): Create a GNU_MBIND segment for each GNU_MBIND section. (_bfd_elf_init_private_section_data): Copy sh_info from input for GNU_MBIND section. binutils/ * NEWS: Mention support for ELF SHF_GNU_MBIND and PT_GNU_MBIND_XXX. * readelf.c (get_segment_type): Handle PT_GNU_MBIND_XXX. (get_elf_section_flags): Handle SHF_GNU_MBIND. (process_section_headers): Likewise. * testsuite/binutils-all/mbind1.s: New file. * testsuite/binutils-all/objcopy.exp: Run readelf test on mbind1.s. gas/ * NEWS: Mention support for ELF SHF_GNU_MBIND. * config/obj-elf.c (section_match): New. (get_section): Match both sh_info and group name. (obj_elf_change_section): Add argument for sh_info. Pass both sh_info and group name to get_section. Issue an error for SHF_GNU_MBIND section without SHF_ALLOC. Set sh_info. (obj_elf_parse_section_letters): Set SHF_GNU_MBIND for 'd'. (obj_elf_section): Support SHF_GNU_MBIND section info. * config/obj-elf.h (obj_elf_change_section): Add argument for sh_info. * config/tc-arm.c (start_unwind_section): Pass 0 as sh_info to obj_elf_change_section. * config/tc-ia64.c (obj_elf_vms_common): Likewise. * config/tc-microblaze.c (microblaze_s_data): Likewise. (microblaze_s_sdata): Likewise. (microblaze_s_rdata): Likewise. (microblaze_s_bss): Likewise. * config/tc-mips.c (s_change_section): Likewise. * config/tc-msp430.c (msp430_profiler): Likewise. * config/tc-rx.c (parse_rx_section): Likewise. * config/tc-tic6x.c (tic6x_start_unwind_section): Likewise. * doc/as.texinfo: Document 'd' for SHF_GNU_MBIND. * testsuite/gas/elf/elf.exp: Run section12a, section12b and section13. * testsuite/gas/elf/section10.d: Updated. * testsuite/gas/elf/section10.s: Likewise. * testsuite/gas/elf/section12.s: New file. * testsuite/gas/elf/section12a.d: Likewise. * testsuite/gas/elf/section12b.d: Likewise. * testsuite/gas/elf/section13.l: Likewise. * testsuite/gas/elf/section13.d: Likewise. * testsuite/gas/elf/section13.s: Likewise. include/ * elf/common.h (PT_GNU_MBIND_NUM): New. (PT_GNU_MBIND_LO): Likewise. (PT_GNU_MBIND_HI): Likewise. (SHF_GNU_MBIND): Likewise. ld/ * NEWS: Mention support for ELF SHF_GNU_MBIND and PT_GNU_MBIND_XXX. * emultempl/elf32.em (gld${EMULATION_NAME}_place_orphan): Place input GNU_MBIND sections with the same type, attributes and sh_info field into a single output GNU_MBIND section. * testsuite/ld-elf/elf.exp: Run mbind2a and mbind2b. * testsuite/ld-elf/mbind1.s: New file. * testsuite/ld-elf/mbind1a.d: Likewise. * testsuite/ld-elf/mbind1b.d: Likewise. * testsuite/ld-elf/mbind1c.d: Likewise. * testsuite/ld-elf/mbind2a.s: Likewise. * testsuite/ld-elf/mbind2b.c: Likewise. |
||
---|---|---|
bfd | ||
binutils | ||
config | ||
cpu | ||
elfcpp | ||
etc | ||
gas | ||
gdb | ||
gold | ||
gprof | ||
include | ||
intl | ||
ld | ||
libdecnumber | ||
libiberty | ||
opcodes | ||
readline | ||
sim | ||
texinfo | ||
zlib | ||
.cvsignore | ||
.gitattributes | ||
.gitignore | ||
ChangeLog | ||
compile | ||
config-ml.in | ||
config.guess | ||
config.rpath | ||
config.sub | ||
configure | ||
configure.ac | ||
COPYING | ||
COPYING3 | ||
COPYING3.LIB | ||
COPYING.LIB | ||
COPYING.LIBGLOSS | ||
COPYING.NEWLIB | ||
depcomp | ||
djunpack.bat | ||
install-sh | ||
libtool.m4 | ||
lt~obsolete.m4 | ||
ltgcc.m4 | ||
ltmain.sh | ||
ltoptions.m4 | ||
ltsugar.m4 | ||
ltversion.m4 | ||
MAINTAINERS | ||
Makefile.def | ||
Makefile.in | ||
Makefile.tpl | ||
makefile.vms | ||
missing | ||
mkdep | ||
mkinstalldirs | ||
move-if-change | ||
README | ||
README-maintainer-mode | ||
setup.com | ||
src-release.sh | ||
symlink-tree | ||
ylwrap |
README for GNU development tools This directory contains various GNU compilers, assemblers, linkers, debuggers, etc., plus their support routines, definitions, and documentation. If you are receiving this as part of a GDB release, see the file gdb/README. If with a binutils release, see binutils/README; if with a libg++ release, see libg++/README, etc. That'll give you info about this package -- supported targets, how to use it, how to report bugs, etc. It is now possible to automatically configure and build a variety of tools with one command. To build all of the tools contained herein, run the ``configure'' script here, e.g.: ./configure make To install them (by default in /usr/local/bin, /usr/local/lib, etc), then do: make install (If the configure script can't determine your type of computer, give it the name as an argument, for instance ``./configure sun4''. You can use the script ``config.sub'' to test whether a name is recognized; if it is, config.sub translates it to a triplet specifying CPU, vendor, and OS.) If you have more than one compiler on your system, it is often best to explicitly set CC in the environment before running configure, and to also set CC when running make. For example (assuming sh/bash/ksh): CC=gcc ./configure make A similar example using csh: setenv CC gcc ./configure make Much of the code and documentation enclosed is copyright by the Free Software Foundation, Inc. See the file COPYING or COPYING.LIB in the various directories, for a description of the GNU General Public License terms under which you can copy the files. REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info on where and how to report problems.