diff options
Diffstat (limited to 'gas/NEWS')
| -rw-r--r-- | gas/NEWS | 436 |
1 files changed, 216 insertions, 220 deletions
@@ -1,370 +1,366 @@ -*- text -*- +* Support for the Ubicom IP2xxx microcontroller added. + Changes in 2.13: -Support for the Fujitsu FRV architecture added by Red Hat. Models for FR400 and -FR500 included. +* Support for the Fujitsu FRV architecture added by Red Hat. Models for FR400 + and FR500 included. -Support for DLX processor added. +* Support for DLX processor added. -GASP has now been deprecated and will be removed in a future release. Use the -macro facilities in GAS instead. +* GASP has now been deprecated and will be removed in a future release. Use + the macro facilities in GAS instead. -GASP now correctly parses floating point numbers. Unless the base is explicitly -specified, they are interpreted as decimal numbers regardless of the currently -specified base. +* GASP now correctly parses floating point numbers. Unless the base is + explicitly specified, they are interpreted as decimal numbers regardless of + the currently specified base. Changes in 2.12: -Support for Don Knuth's MMIX, by Hans-Peter Nilsson. +* Support for Don Knuth's MMIX, by Hans-Peter Nilsson. -Support for the OpenRISC 32-bit embedded processor by OpenCores. +* Support for the OpenRISC 32-bit embedded processor by OpenCores. -The ARM assembler now accepts -march=..., -mcpu=... and -mfpu=... for -specifying the target instruction set. The old method of specifying the -target processor has been deprecated, but is still accepted for -compatibility. +* The ARM assembler now accepts -march=..., -mcpu=... and -mfpu=... for + specifying the target instruction set. The old method of specifying the + target processor has been deprecated, but is still accepted for + compatibility. -Support for the VFP floating-point instruction set has been added to -the ARM assembler. +* Support for the VFP floating-point instruction set has been added to + the ARM assembler. -New psuedo op: .incbin to include a set of binary data at a given point -in the assembly. Contributed by Anders Norlander. +* New psuedo op: .incbin to include a set of binary data at a given point + in the assembly. Contributed by Anders Norlander. -The MIPS assembler now accepts -march/-mtune. -mcpu has been deprecated -but still works for compatability. +* The MIPS assembler now accepts -march/-mtune. -mcpu has been deprecated + but still works for compatability. -The MIPS assembler no longer issues a warning by default when it -generates a nop instruction from a macro. The new command line option --n will turn on the warning. +* The MIPS assembler no longer issues a warning by default when it + generates a nop instruction from a macro. The new command line option + -n will turn on the warning. Changes in 2.11: -x86 gas now supports the full Pentium4 instruction set. +* x86 gas now supports the full Pentium4 instruction set. -Support for AMD x86-64 architecture, by Jan Hubicka, SuSE Labs. +* Support for AMD x86-64 architecture, by Jan Hubicka, SuSE Labs. -Support for Motorola 68HC11 and 68HC12. +* Support for Motorola 68HC11 and 68HC12. -Support for Texas Instruments TMS320C54x (tic54x). +* Support for Texas Instruments TMS320C54x (tic54x). -Support for IA-64. +* Support for IA-64. -Support for i860, by Jason Eckhardt. +* Support for i860, by Jason Eckhardt. -Support for CRIS (Axis Communications ETRAX series). +* Support for CRIS (Axis Communications ETRAX series). -x86 gas has a new .arch pseudo op to specify the target CPU architecture. +* x86 gas has a new .arch pseudo op to specify the target CPU architecture. -x86 gas -q command line option quietens warnings about register size changes -due to suffix, indirect jmp/call without `*', stand-alone prefixes, and -translating various deprecated floating point instructions. +* x86 gas -q command line option quietens warnings about register size changes + due to suffix, indirect jmp/call without `*', stand-alone prefixes, and + translating various deprecated floating point instructions. Changes in 2.10: -Support for the ARM msr instruction was changed to only allow an immediate -operand when altering the flags field. +* Support for the ARM msr instruction was changed to only allow an immediate + operand when altering the flags field. -Support for ATMEL AVR. +* Support for ATMEL AVR. -Support for IBM 370 ELF. Somewhat experimental. +* Support for IBM 370 ELF. Somewhat experimental. -Support for numbers with suffixes. +* Support for numbers with suffixes. -Added support for breaking to the end of repeat loops. +* Added support for breaking to the end of repeat loops. -Added support for parallel instruction syntax (DOUBLEBAR_PARALLEL). +* Added support for parallel instruction syntax (DOUBLEBAR_PARALLEL). -New .elseif pseudo-op added. +* New .elseif pseudo-op added. -New --fatal-warnings option. +* New --fatal-warnings option. -picoJava architecture support added. +* picoJava architecture support added. -Motorola MCore 210 processor support added. +* Motorola MCore 210 processor support added. -A new pseudo-op .intel_syntax has been implemented to allow gas to parse i386 -assembly programs with intel syntax. +* A new pseudo-op .intel_syntax has been implemented to allow gas to parse i386 + assembly programs with intel syntax. -New pseudo-ops .func,.endfunc to aid in debugging user-written assembler code. +* New pseudo-ops .func,.endfunc to aid in debugging user-written assembler code. -Added -gdwarf2 option to generate DWARF 2 debugging information. +* Added -gdwarf2 option to generate DWARF 2 debugging information. -Full 16-bit mode support for i386. +* Full 16-bit mode support for i386. -Greatly improved instruction operand checking for i386. This change will -produce errors or warnings on incorrect assembly code that previous versions of -gas accepted. If you get unexpected messages from code that worked with older -versions of gas, please double check the code before reporting a bug. +* Greatly improved instruction operand checking for i386. This change will + produce errors or warnings on incorrect assembly code that previous versions + of gas accepted. If you get unexpected messages from code that worked with + older versions of gas, please double check the code before reporting a bug. -Weak symbol support added for COFF targets. +* Weak symbol support added for COFF targets. -Mitsubishi D30V support added. +* Mitsubishi D30V support added. -Texas Instruments c80 (tms320c80) support added. +* Texas Instruments c80 (tms320c80) support added. -i960 ELF support added. +* i960 ELF support added. -ARM ELF support added. +* ARM ELF support added. Changes in 2.9: -Texas Instruments c30 (tms320c30) support added. +* Texas Instruments c30 (tms320c30) support added. -The assembler now optimizes the exception frame information generated by egcs -and gcc 2.8. The new --traditional-format option disables this optimization. +* The assembler now optimizes the exception frame information generated by egcs + and gcc 2.8. The new --traditional-format option disables this optimization. -Added --gstabs option to generate stabs debugging information. +* Added --gstabs option to generate stabs debugging information. -The -a option takes a new suboption, m (e.g., -alm) to expand macros in a -listing. +* The -a option takes a new suboption, m (e.g., -alm) to expand macros in a + listing. -Added -MD option to print dependencies. +* Added -MD option to print dependencies. Changes in 2.8: -BeOS support added. +* BeOS support added. -MIPS16 support added. +* MIPS16 support added. -Motorola ColdFire 5200 support added (configure for m68k and use -m5200). +* Motorola ColdFire 5200 support added (configure for m68k and use -m5200). -Alpha/VMS support added. +* Alpha/VMS support added. -m68k options --base-size-default-16, --base-size-default-32, ---disp-size-default-16, and --disp-size-default-32 added. +* m68k options --base-size-default-16, --base-size-default-32, + --disp-size-default-16, and --disp-size-default-32 added. -The alignment directives now take an optional third argument, which is the -maximum number of bytes to skip. If doing the alignment would require skipping -more than the given number of bytes, the alignment is not done at all. +* The alignment directives now take an optional third argument, which is the + maximum number of bytes to skip. If doing the alignment would require + skipping more than the given number of bytes, the alignment is not done at + all. -The ELF assembler has a new pseudo-op, .symver, used for symbol versioning. +* The ELF assembler has a new pseudo-op, .symver, used for symbol versioning. -The -a option takes a new suboption, c (e.g., -alc), to skip false conditionals -in listings. +* The -a option takes a new suboption, c (e.g., -alc), to skip false + conditionals in listings. -Added new pseudo-op, .equiv; it's like .equ, except that it is an error if the -symbol is already defined. +* Added new pseudo-op, .equiv; it's like .equ, except that it is an error if + the symbol is already defined. Changes in 2.7: -The PowerPC assembler now allows the use of symbolic register names (r0, etc.) -if -mregnames is used. Symbolic names preceded by a '%' (%r0, etc.) can be -used any time. PowerPC 860 move to/from SPR instructions have been added. +* The PowerPC assembler now allows the use of symbolic register names (r0, + etc.) if -mregnames is used. Symbolic names preceded by a '%' (%r0, etc.) + can be used any time. PowerPC 860 move to/from SPR instructions have been + added. -Alpha Linux (ELF) support added. +* Alpha Linux (ELF) support added. -PowerPC ELF support added. +* PowerPC ELF support added. -m68k Linux (ELF) support added. +* m68k Linux (ELF) support added. -i960 Hx/Jx support added. +* i960 Hx/Jx support added. -i386/PowerPC gnu-win32 support added. +* i386/PowerPC gnu-win32 support added. -SCO ELF support added. For OpenServer 5 targets (i386-unknown-sco3.2v5) the -default is to build COFF-only support. To get a set of tools that generate ELF -(they'll understand both COFF and ELF), you must configure with -target=i386-unknown-sco3.2v5elf. +* SCO ELF support added. For OpenServer 5 targets (i386-unknown-sco3.2v5) the + default is to build COFF-only support. To get a set of tools that generate + ELF (they'll understand both COFF and ELF), you must configure with + target=i386-unknown-sco3.2v5elf. -m88k-motorola-sysv3* support added. +* m88k-motorola-sysv3* support added. Changes in 2.6: -Gas now directly supports macros, without requiring GASP. +* Gas now directly supports macros, without requiring GASP. -Gas now has an MRI assembler compatibility mode. Use -M or --mri to select MRI -mode. The pseudo-op ``.mri 1'' will switch into the MRI mode until the ``.mri -0'' is seen; this can be convenient for inline assembler code. +* Gas now has an MRI assembler compatibility mode. Use -M or --mri to select + MRI mode. The pseudo-op ``.mri 1'' will switch into the MRI mode until the + ``.mri 0'' is seen; this can be convenient for inline assembler code. -Added --defsym SYM=VALUE option. +* Added --defsym SYM=VALUE option. -Added -mips4 support to MIPS assembler. +* Added -mips4 support to MIPS assembler. -Added PIC support to Solaris and SPARC SunOS 4 assembler. +* Added PIC support to Solaris and SPARC SunOS 4 assembler. Changes in 2.4: -Converted this directory to use an autoconf-generated configure script. +* Converted this directory to use an autoconf-generated configure script. -ARM support, from Richard Earnshaw. +* ARM support, from Richard Earnshaw. -Updated VMS support, from Pat Rankin, including considerably improved debugging -support. +* Updated VMS support, from Pat Rankin, including considerably improved + debugging support. -Support for the control registers in the 68060. +* Support for the control registers in the 68060. -Handles (ignores) a new directive ".this_GCC_requires_the_GNU_assembler", to -provide for possible future gcc changes, for targets where gas provides some -features not available in the native assembler. If the native assembler is -used, it should become obvious pretty quickly what the problem is. +* Handles (ignores) a new directive ".this_GCC_requires_the_GNU_assembler", to + provide for possible future gcc changes, for targets where gas provides some + features not available in the native assembler. If the native assembler is + used, it should become obvious pretty quickly what the problem is. -Usage message is available with "--help". +* Usage message is available with "--help". -The GNU Assembler Preprocessor (gasp) is included. (Actually, it was in 2.3 -also, but didn't get into the NEWS file.) +* The GNU Assembler Preprocessor (gasp) is included. (Actually, it was in 2.3 + also, but didn't get into the NEWS file.) -Weak symbol support for a.out. +* Weak symbol support for a.out. -A bug in the listing code which could cause an infinite loop has been fixed. -Bugs in listings when generating a COFF object file have also been fixed. +* A bug in the listing code which could cause an infinite loop has been fixed. + Bugs in listings when generating a COFF object file have also been fixed. -Initial i386-svr4 PIC implementation from Eric Youngdale, based on code by Paul -Kranenburg. +* Initial i386-svr4 PIC implementation from Eric Youngdale, based on code by + Paul Kranenburg. -Improved Alpha support. Immediate constants can have a much larger range now. -Support for the 21164 has been contributed by Digital. +* Improved Alpha support. Immediate constants can have a much larger range + now. Support for the 21164 has been contributed by Digital. -Updated ns32k (pc532-mach, netbsd532) support from Ian Dall. +* Updated ns32k (pc532-mach, netbsd532) support from Ian Dall. Changes in 2.3: -Mach i386 support, by David Mackenzie and Ken Raeburn. - -RS/6000 and PowerPC support by Ian Taylor. +* Mach i386 support, by David Mackenzie and Ken Raeburn. -VMS command scripts (make-gas.com, config-gas.com) have been worked on a bit, -based on mail received from various people. The `-h#' option should work again -too. +* RS/6000 and PowerPC support by Ian Taylor. -HP-PA work, by Jeff Law. Note, for the PA, gas-2.3 has been designed to work -with gdb-4.12 and gcc-2.6. As gcc-2.6 has not been released yet, a special -version of gcc-2.5.8 has been patched to work with gas-2.3. You can retrieve -this special version of gcc-2.5.8 via anonymous ftp from jaguar.cs.utah.edu -in the "dist" directory. +* VMS command scripts (make-gas.com, config-gas.com) have been worked on a bit, + based on mail received from various people. The `-h#' option should work + again too. -Vax support in gas fixed for BSD, so it builds and seems to run a couple simple -tests okay. I haven't put it through extensive testing. (GNU make is -currently required for BSD 4.3 builds.) +* HP-PA work, by Jeff Law. Note, for the PA, gas-2.3 has been designed to work + with gdb-4.12 and gcc-2.6. As gcc-2.6 has not been released yet, a special + version of gcc-2.5.8 has been patched to work with gas-2.3. You can retrieve + this special version of gcc-2.5.8 via anonymous ftp from jaguar.cs.utah.edu + in the "dist" directory. -Support for the DEC Alpha, running OSF/1 (ECOFF format). The gas support is -based on code donated by CMU, which used an a.out-based format. I'm afraid the -alpha-a.out support is pretty badly mangled, and much of it removed; making it -work will require rewriting it as BFD support for the format anyways. +* Vax support in gas fixed for BSD, so it builds and seems to run a couple + simple tests okay. I haven't put it through extensive testing. (GNU make is + currently required for BSD 4.3 builds.) -Irix 5 support. +* Support for the DEC Alpha, running OSF/1 (ECOFF format). The gas support is + based on code donated by CMU, which used an a.out-based format. I'm afraid + the alpha-a.out support is pretty badly mangled, and much of it removed; + making it work will require rewriting it as BFD support for the format anyways. -The test suites have been fixed up a bit, so that they should work with a -couple different versions of expect and dejagnu. +* Irix 5 support. -Symbols' values are now handled internally as expressions, permitting more -flexibility in evaluating them in some cases. Some details of relocation -handling have also changed, and simple constant pool management has been added, -to make the Alpha port easier. +* The test suites have been fixed up a bit, so that they should work with a + couple different versions of expect and dejagnu. -New option "--statistics" for printing out program run times. This is intended -to be used with the gcc "-Q" option, which prints out times spent in various -phases of compilation. (You should be able to get all of them printed out with -"gcc -Q -Wa,--statistics", I think.) +* Symbols' values are now handled internally as expressions, permitting more + flexibility in evaluating them in some cases. Some details of relocation + handling have also changed, and simple constant pool management has been + added, to make the Alpha port easier. ----------------------------------------------------------------- +* New option "--statistics" for printing out program run times. This is + intended to be used with the gcc "-Q" option, which prints out times spent in + various phases of compilation. (You should be able to get all of them + printed out with "gcc -Q -Wa,--statistics", I think.) Changes in 2.2: -RS/6000 AIX and MIPS SGI Irix 5 support has been added. - -Configurations that are still in development (and therefore are convenient to -have listed in configure.in) still get rejected without a minor change to -gas/Makefile.in, so people not doing development work shouldn't get the -impression that support for such configurations is actually believed to be -reliable. +* RS/6000 AIX and MIPS SGI Irix 5 support has been added. -The program name (usually "as") is printed when a fatal error message is -displayed. This should prevent some confusion about the source of occasional -messages about "internal errors". +* Configurations that are still in development (and therefore are convenient to + have listed in configure.in) still get rejected without a minor change to + gas/Makefile.in, so people not doing development work shouldn't get the + impression that support for such configurations is actually believed to be + reliable. -ELF support is falling into place. Support for the 386 should be working. -Support for SPARC Solaris is in. HPPA support from Utah is being integrated. +* The program name (usually "as") is printed when a fatal error message is + displayed. This should prevent some confusion about the source of occasional + messages about "internal errors". -Symbol values are maintained as expressions instead of being immediately boiled -down to add-symbol, sub-symbol, and constant. This permits slightly more -complex calculations involving symbols whose values are not alreadey known. +* ELF support is falling into place. Support for the 386 should be working. + Support for SPARC Solaris is in. HPPA support from Utah is being integrated. -DBX-style debugging info ("stabs") is now supported for COFF formats. -If any stabs directives are seen in the source, GAS will create two new -sections: a ".stab" and a ".stabstr" section. The format of the .stab -section is nearly identical to the a.out symbol format, and .stabstr is -its string table. For this to be useful, you must have configured GCC -to generate stabs (by defining DBX_DEBUGGING_INFO), and must have a GDB -that can use the stab sections (4.11 or later). +* Symbol values are maintained as expressions instead of being immediately + boiled down to add-symbol, sub-symbol, and constant. This permits slightly + more complex calculations involving symbols whose values are not alreadey + known. -LynxOS, on i386 and m68k platforms, is now supported. SPARC LynxOS -support is in progress. +* DBX-style debugging info ("stabs") is now supported for COFF formats. + If any stabs directives are seen in the source, GAS will create two new + sections: a ".stab" and a ".stabstr" section. The format of the .stab + section is nearly identical to the a.out symbol format, and .stabstr is + its string table. For this to be useful, you must have configured GCC + to generate stabs (by defining DBX_DEBUGGING_INFO), and must have a GDB + that can use the stab sections (4.11 or later). ----------------------------------------------------------------- +* LynxOS, on i386 and m68k platforms, is now supported. SPARC LynxOS + support is in progress. Changes in 2.1: -Several small fixes for i386-aix (PS/2) support from Minh Tran-Le have been -incorporated, but not well tested yet. +* Several small fixes for i386-aix (PS/2) support from Minh Tran-Le have been + incorporated, but not well tested yet. -Altered the opcode table split for m68k; it should require less VM to compile -with gcc now. +* Altered the opcode table split for m68k; it should require less VM to compile + with gcc now. -Some minor adjustments to add (Convergent Technologies') Miniframe support, -suggested by Ronald Cole. +* Some minor adjustments to add (Convergent Technologies') Miniframe support, + suggested by Ronald Cole. -HPPA support (running OSF only, not HPUX) has been contributed by Utah. This -includes improved ELF support, which I've started adapting for SPARC Solaris -2.x. Integration isn't completely, so it probably won't work. +* HPPA support (running OSF only, not HPUX) has been contributed by Utah. This + includes improved ELF support, which I've started adapting for SPARC Solaris + 2.x. Integration isn't completely, so it probably won't work. -HP9000/300 support, donated by HP, has been merged in. +* HP9000/300 support, donated by HP, has been merged in. -Ian Taylor has finished the MIPS ECOFF (Ultrix, Irix) support. +* Ian Taylor has finished the MIPS ECOFF (Ultrix, Irix) support. -Better error messages for unsupported configurations (e.g., hppa-hpux). +* Better error messages for unsupported configurations (e.g., hppa-hpux). -Test suite framework is starting to become reasonable. - ----------------------------------------------------------------- +* Test suite framework is starting to become reasonable. Changes in 2.0: -Mostly bug fixes. - -Some more merging of BFD and ELF code, but ELF still doesn't work. +* Mostly bug fixes. ----------------------------------------------------------------- +* Some more merging of BFD and ELF code, but ELF still doesn't work. Changes in 1.94: -BFD merge is partly done. Adventurous souls may try giving configure the -"--with-bfd-assembler" option. Currently, ELF format requires it, a.out format -accepts it; SPARC CPU accepts it. It's the default only for OS "elf" or -"solaris". (ELF isn't really supported yet. It needs work. I've got some -code from Utah for HP-PA ELF, and from DG for m88k ELF, but they're not fully -merged yet.) - -The 68K opcode table has been split in half. It should now compile under gcc -without consuming ridiculous amounts of memory. +* BFD merge is partly done. Adventurous souls may try giving configure the + "--with-bfd-assembler" option. Currently, ELF format requires it, a.out + format accepts it; SPARC CPU accepts it. It's the default only for OS "elf" + or "solaris". (ELF isn't really supported yet. It needs work. I've got + some code from Utah for HP-PA ELF, and from DG for m88k ELF, but they're not + fully merged yet.) -A couple data structures have been reduced in size. This should result in -saving a little bit of space at runtime. +* The 68K opcode table has been split in half. It should now compile under gcc + without consuming ridiculous amounts of memory. -Support for MIPS, from OSF and Ralph Campbell, has been merged in. The OSF -code provided ROSE format support, which I haven't merged in yet. (I can make -it available, if anyone wants to try it out.) Ralph's code, for BSD 4.4, -supports a.out format. We don't have ECOFF support in just yet; it's coming. +* A couple data structures have been reduced in size. This should result in + saving a little bit of space at runtime. -Support for the Hitachi H8/500 has been added. +* Support for MIPS, from OSF and Ralph Campbell, has been merged in. The OSF + code provided ROSE format support, which I haven't merged in yet. (I can + make it available, if anyone wants to try it out.) Ralph's code, for BSD + 4.4, supports a.out format. We don't have ECOFF support in just yet; it's + coming. -VMS host and target support should be working now, thanks chiefly to Eric -Youngdale. +* Support for the Hitachi H8/500 has been added. ----------------------------------------------------------------- +* VMS host and target support should be working now, thanks chiefly to Eric + Youngdale. Changes in 1.93.01: -For m68k, support for more processors has been added: 68040, CPU32, 68851. +* For m68k, support for more processors has been added: 68040, CPU32, 68851. -For i386, .align is now power-of-two; was number-of-bytes. +* For i386, .align is now power-of-two; was number-of-bytes. -For m68k, "%" is now accepted before register names. For COFF format, which -doesn't use underscore prefixes for C labels, it is required, so variable "a0" -can be distinguished from the register. +* For m68k, "%" is now accepted before register names. For COFF format, which + doesn't use underscore prefixes for C labels, it is required, so variable "a0" + can be distinguished from the register. -Last public release was 1.38. Lots of configuration changes since then, lots -of new CPUs and formats, lots of bugs fixed. +* Last public release was 1.38. Lots of configuration changes since then, lots + of new CPUs and formats, lots of bugs fixed. Local variables: |