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* ld.h (ld_config_type): Add field dynamic_link. * ldmain.c (main): Initialize config.dynamic_link to false. Warn on attempts to use -r with -relax, -call_shared or -s. * lexsup.c (longopts): Separate OPTION_CALL_SHARED from OPTION_NON_SHARED. Add OPTION_IGNORE. Adjust macro values accordingly. Add "dy" and "non_shared" options. Change "Qy" to OPTION_IGNORE for now. Handle OPTION_CALL_SHARED and OPTION_NON_SHARED by setting dynamic_link field accordingly. Handle OPTION_IGNORE by ignoring it. Clear dynamic_link field for -r and -Ur. * ldfile.c (ldfile_open_file): If config.dynamic_link is true, try opening a file with a .so extension first. * emultempl/elf32.em: New file. * emulparams/elf32_sparc.sh (TEXT_START_ADDR): Change to 0x10000. (NONPAGED_TEXT_START_ADDR): Likewise. (TEMPLATE_NAME): Define as elf32. (DATA_PLT): Define. * emulparams/elf_i386.sh (TEMPLATE_NAME): Define as elf32. * scripttempl/elf.sc: Add placement for new dynamic sections. Don't use CREATE_OBJECT_SYMBOLS. Define _etext, _edata and _end outside of any section. Don't use ALIGN(8); just let one section VMA follow another. Put .dynbss in .bss. Don't mention debugging sections; they'll be handled correctly anyhow. * Makefile.in (eelf_i386.c): Depend upon elf32.em, not generic.em.
This is a BETA release of a completely rewritten GNU linker. It is distributed with other "binary utilities" which should be in ../binutils. See ../binutils/README for more general notes, including where to send bug reports. There are many new features of the linker: * The linker uses a Binary File Descriptor library (../bfd) that it uses to read and write object files. This helps insulate the linker itself from the format of object files. * The linker support a number of different object file formats. It can even handle multiple formats at once: Read two input formats and write a third. * The linker can be configured for cross-linking. * The linker contains a control language. * There is a manual. Installation ============ See ../binutils/README. If you want to make a cross-linker, you may want to specify a different search path of -lfoo libraries than the default. You can do this by setting the LIB_PATH variable in ./Makefile. Porting to a new target ======================= A new target configuration may need a new linker script (.sc file) to specify linker actions (such as the layout of the output). See if one of the existing ones are suitable. Note that the Makefile generates variants of the standard script that are used when ld is passed -r -Ur -N or -n options. These variant default scripts are generated from the "master" script using sed scripts that may not work in all cases. Look at the rules and comments in ld/Makefile.in to make sure you stay with the rules. Otherwise, you may need to add a new "emulation" (a sample of a recently added target and emulation is for the SOny 68k News family - look for files named *news*). Also see the notes in ../binutils/README. Reporting bugs etc =========================== See ../binutils/README.