we saved the GOT pointer register.
Note: This is already fixed in the GCC 3 sources, but GCC 3 uses a different
condition to determine whether to save and restore the register, so the patch
cannot be the same.
large functions for ARMv4):
Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
* config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
addresses the same way GO_IF_LEGITIMATE_INDEX does.
two variables:
TOOLCHAIN_MISSING -- set to "yes" on platforms for which there is
no working in-tree toolchain (hppa, ns32k, sh5, x86_64).
EXTERNAL_TOOLCHAIN -- if defined by the user, points to the root of
an external toolchain (e.g. /usr/local/gnu). This enables the cross-build
framework even for TOOLCHAIN_MISSING platforms.
If TOOLCHAIN_MISSING is set to "yes", MKGDB, MKBFD, and MKGCC are all
unconditionally set to "no", since the bits are not there to build.
If EXTERNAL_TOOLCHAIN is set, MKGCC is unconditionally set to "no",
since the external toolchain's compiler is not in-sync with the
in-tree compiler support components (e.g. libgcc).
* Set MACHINE_CPU much earlier in bsd.own.mk, so that more tests in
that file can use it.
local_got_offset cruft that's was still there. Change the way
got_entries were assigned. Now do it in elf_vax_size_dynamic_sections.
Add a routine elf_vax_instantiate_got_entries which assigns space in
the GOT or changes to normal PC32 references for static or symbolic links.
* Rename TARGET_ATPCS_STACK_ALIGN to TARGET_ATPCS.
* Move APTCS aggregate return rules to arm_return_in_memory(), conditional
on TARGET_ATPCS, and make it also return true for variable-sized aggregates.
be changed in the future to "yes".
If MKDYNAMICROOT == "no", there is no change from existing behaviour
of a static /bin and /sbin (and a few programs in elsewhere).
If MKDYNAMICROOT == "yes", the following changes occur:
in <bsd.own.mk>:
SHLIBDIR?= /lib
SHLINKDIR?= /lib
in various Makefiles, the following entry is DISABLED.
LDSTATIC?=-static
This results in all programs (except those "standalone" programs built
in sys/arch/*/stand) are linked dynamically, the shared linker is moved
from /usr/libexec to /lib (with a compat symlink), and the shared
libraries used by /bin and /sbin programs are moved from /usr/lib to
/lib (with compat symlinks).
* Declare arm_arch5 and arm_arch5e. Set arm_arch5 for if -mcpu=arm10tdmi,
-mcpu=arm1020t, -mcpu=xscale, -march=armv5, -march=armv5e, -march=armv5te.
Set arm_arch5e for -mcpu=xscale, -march=armv5e, -march=armv5te.
arm.md:
* Define the "clz" insn for arm_arch5.
* Define an "ffssi2" expander for arm_arch5 which uses "clz".
The GCC ChangeLog does not have a complete description to quote here,
so:
arm.c:
* arm_override_options(): Set arm_is_scale according to the the
-mcpu=xscale option. Set arm_constant_limit to 2 if arm_is_xscale.
* arm_adjust_cost(): If arm_is_xscale, account for stalls that can
occur due to shifted operands.
* arm_gen_load_multiple(): Account for the cost of ldm vs. ldr if
arm_is_xscale.
* arm_gen_store_multiple(): Likewise for stm vs. str.
arm.h:
* CONSTANT_ALIGNMENT(): Use a constant alignment factor of 2 if
arm_is_xscale.
* MOVE_RATIO: Set to 4 if arm_is_xscale.
arm.md:
* Add XScale scheduling parameters.
* Define a "shift" attribute (used by arm_adjust_cost()) and give it
to the appropriate operands on andsi_not_shiftsi_si, *shiftsi3,
*shiftsi3_compare0, *shiftsi3_compare0_scratch, *notsi_shiftsi,
*notsi_shiftsi_compare0, *not_shiftsi_compare0_scratch,
abssi2, *neg_abssi2, extendsidi2, *cmpsi_shiftsi, *cmpsi_shiftsi_swp,
*cmpsi_neg_shiftsi, *arith_shiftsi, *arith_shiftsi_compare0,
*arith_shiftsi_compare0_scratch, *sub_shiftsi, *sub_shiftsi_compare0,
*sub_shiftsi_compare0_scratch, *if_shift_move, *if_move_shift,
and *if_shift_shift.
treated like -march=armv4t, but which generate __ARM_ARCH_5__,
__ARM_ARCH_5T__, and __ARM_ARCH_5TE__ defines, respecitively.
* Add -mcpu=xscale, which is internally treated like -mcpu=strongarm,
but which generates __ARM_ARCH_5TE__ and __XSCALE__ defines.
These command-line options and definitions are consistent with gcc 3.x,
and allow NetBSD Makefiles to use them in a forward-compatible way, and
also give hand-tuned source code (e.g. assembly) a chance of tuning for
XScale.
reasons:
1) There is already a destructor that does this. The atexit() is superfluous.
2) If libstdc++ is loaded dynamically by dlopen() and then is removed by
dlclose(), the pointer is no longer valid and the program would core dump
at exit() time. (This caused xmms to core dump at exit when xmms-sid was
installed, for example.)
to build full-feature libbfd, do the following:
- add "--enable-targets=all --enable-64-bit-bfd" to
src/tools/toolchain/Makefile configure arg
- invoke nbmake-<platform> native, to regenerate files under src/gnu
also comment out continuation lines. Fixes Linux->NetBSD
cross-gdb when built using NetBSD's make(1) (a'la build.sh -t).
toolchain/16713, Christian Limpach <chris@Pin.LU>.
Patch also submitted up-stream to GDB.
2002-02-07 Daniel Jacobowitz <drow@mvista.com>
* bfd-in.h: Update <stdbool.h> check to only see if <stdbool.h> has
been included, not drag it in.
* bfd-in2.h: Regenerate.
Fixes toolchain/16709, from Christian Limpach <chris@Pin.LU>.
(alpha_expand_unaligned_load, alpha_expand_unaligned_store):
Cast switch operand of size to int.
Fixes one 32-bit host cross-compile problem, but still doesn't work...
compare_addsi2_op0 & compare_addsi2_op1. From the comment I've just
inserted:
;; XXX RWE: The reload pass of GCC-2.95 makes a mess of these if one of the
;; arguments is, or is directly derived from, an eliminable register. In
;; that case reload will substitue into the PLUS and then canonicalize it
;; without regard to the the match_dup parts. Since these are rare, I've
;; disabled them for now, but they should be OK in 3.x (which manages the
;; substitution without canonicalization.
Fixes PRs port-arm/16424 and toolchain/16304.
make -V FILES
from being useful (and given that every other variable can be
extracted using make -V, the behaviour was unusually inconsistent
given that the original reason for clearing it doesn't seem to be
relevant anymore)
- use <bsd.prog.mk> instead of directly including <bsd.files.mk>
(and possibly <bsd.man.mk> or <bsd.own.mk>)
- remove obsolete NOPROG
> 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
>
> * config/sh/sh.c: (barrier_align): Handle a delay slot that is
> filled with an insn from the jump target.
> Fix pcrel too far problems due to upping CACHE_LOG on SH2:
> * sh.c (barrier_align): Don't return early for normal branch/barrier
> when optimizing for SH2.
> 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
>
> * final.c (insn_current_reference_address): Use INSN_SHUID of seq
> rather than that of branch.
> (shorten_branches): Don't increment insn_current_address twice.
> Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
>
> * final.c (shorten_branches): Make value passed to LOOP_ALIGN
> conform to documentation.
> gcc original rev. 1.89:
> * combine.c (if_then_else_cond): If comparing against zero,
> just return thing being compared.
>
> gcc original rev. 1.132:
> * combine.c (combine_simplify_rtx): Don't create an if_then_else
> unless both args are general_operand.
* Use <dbxelf.h>.
* Undef CPP_PREDEFINES before defining it.
* Remove the undef of HANDLE_SYSV_PRAGMA; we need this in order for
weak externs to work properly.
These targets are identical to the non-nbsd versions except that they
mark resulting ELF objects and executables as OSABI_NETBSD version 0.
* Add big-endian ARM BFD vectors to arm-*-netbsdelf. Make the -nbsd
BFD target the default for arm-*-netbsdelf.
correctly.
Enable -msoft-quad-float as the default moving forward. A complete build with
this compiler produces no errors and passes known regressions problems (awk,
etc).
XXX - -mhard-quad-float no longer will generate code correctly (internal
compiler problems). This is the case all the way to gcc-current so it's not
an easy fix at the moment but no one should be using hard quad math anyways.
If one doesn't subtract the stack bias back off %fp before attempting
to access variables stored relative to %fp the wrong address is picked up for
all locals and args. So, calls to the FRAME_LOCALS_ADDRESS or
FRAME_ARGS_ADDRESS macros need a function for sparc64 specific cases.
Provide a function to check for bias's addresses and fix them up.
support. Specifically, got the changes to md_prepare_relax_scan
from binutils' revision 1.11 of this file. As a bonus also
now define DWARF2_LINE_MIN_INSN_LENGTH.
first. This is necessary to avoid warnings with -fshort-enums. Casting
to an int really should be enough, but turns out not to be.
This change will be documented in doc/HACKS.
script files (and now that they are in cvs, they can't be fixed).
Future imports of any package should use "-ko" and do away with *2netbsd
altogether, as was the intent of gnu/dist in the first place.
${GNU_ARCH_MACHINE}-netbsd. This allows platforms to that were
formerly a.out but ELF to be foo--netbsdelf. It also adds the
missing 2nd "-" which was missing in the former definition.
set the C(arry) bit appropriately. All other leave it in an indeterminate
(to GCC) state. Mark that by setting CC_NO_OVERFLOW. Change vax.md emission
of branches that use the C bit to use OUTPUT_JUMP so that if CC_NO_OVERFLOW is
set, branches that would normally use the C bit use opcodes that don't use the
C bit (jgtru -> jneq && jlssu -> jeql). Delete the cmpdi pattern.
Define IN_SIGTRAMP() as nbsd_in_sigtramp(), a new function which knows
how to find the address of the signal trampoline at runtime, thus allowing
one gdb binary to work on all NetBSD/m68k machines.
round has been tested on Solaris/x86 and Linux hosts.
* Add host tools cap_mkdb, ctags, m4, uudecode.
* Protect __RCSID() and __COPYRIGHT() better.
* Reduce the number of places that need to include "config.h", to keep
sources closer to their "vanilla" versions.
* Add more compat #defines and autoconf-checked functions.
`long'. This gives rise to defining `off_t' to a signed 64 bit on LP64
machines giving rise to cross compiling errors.
By explicitly setting it to int32_t its forced to use signed 32 bits
integers as required and expected on the ILP32 ARM processor.
This aparently fixes PR 15303
(should make it into stock binutils as soon as Matt's copyright
assignment paperwork is finalized):
bfd:
* elf32-m68k.c (elf32_m68k_print_private_bfd_data): Recognize
EF_M68000.
binutils:
* readelf.c (get_machine_flags): Recognize EF_M68000.
gas:
* config/tc-m68k.c (md_show_usage): No longer display a
hard-coded "68020" for the default CPU, instead display the
canonical name of the true, configured default CPU.
(m68k_elf_final_processing): Mark objects for sub-68020
CPUs with the new EF_M68000 flag.
include/elf:
* m68k.h (EF_M68000): Define.
master binutils sources that fix gprof for LP64 platforms and
also fix some problems with cross-gprof:
* TODO: Remove "host architecture pointer size" item.
* gmon.h (GMON_HDRSIZE_BSD44_32): Define.
(GMON_HDRSIZE_BSD44_64): Ditto.
(GMON_HDRSIZE_OLDBSD_32): Ditto.
(GMON_HDRSIZE_OLDBSD_64): Ditto.
(struct raw_phdr): Wrap in #if 0, keeping it for
documentation purposes only.
(struct old_raw_phdr): Likewise.
(struct raw_arc): Likewise. Change type/size of
"count" member to long match 4.4BSD.
* gmon_io: Update copyright years.
(gmon_io_read_64): New function.
(gmon_io_read_vma): Use bfd_arch_bits_per_address to
determine target pointer size. Use gmon_io_read_32
and gmon_io_read_64.
(gmon_io_write_64): New function.
(gmon_io_write_vma): Use bfd_arch_bits_per_address to
determine target pointer size. Use gmon_io_write_32
and gmon_io_write_64.
(get_vma): Remove.
(put_vma): Ditto.
(gmon_read_raw_arc): New function.
(gmon_write_raw_arc): New function.
(gmon_out_read): Do not use struct raw_phdr or
struct old_raw_phdr to read the gmon header. Use
gmon_read_raw_arc to read call graph records.
(gmon_out_write): Do not use struct raw_phdr or
struct old_raw_phdr to write the gmon header. Use
gmon_write_raw_arc to write call graph records.
This makes the GMON_PTR_SIZE constant obsolete, however I have not
included the changes to the autoconf machinery that eliminate that
constant completely in order to minimize the changes here (they
will be picked up when we import Binutils 2.12 when it is released).
2001-03-04 Andrew Cagney <ac131313@redhat.com>
* emul_netbsd.c [WITH_NetBSD_HOST]: Include <sys/mount.h> and
<errno.h>.
(do_stat): Only do SYS test when SYS_stat defined.
(do_sigprocmask): Ditto for SYS_sigprocmask.
(do_fstat): Ditto for SYS_fstat.
(do_getdirentries): Ditto for SYS_getdirentries.
(do_lstat): Ditto for SYS_lstat.
2001-01-15 Geoffrey Keating <geoffk@redhat.com>
* emul_netbsd.c (do_open): Translate the flag parameter to the
open syscall to the numbers supported by the host.
* part of port-powerpc/14307
2001-10-19 Andrew Cagney <ac131313@redhat.com>
* configure.in: When Linux or NetBSD, enable PowerPC simulator.
* configure: Re-generate.
binutils-current respository.
2001-06-24 H.J. Lu <hjl@gnu.org>
* objcopy.c (strip_main): Revert the change made on 2001-05-30
by accident.
(copy_main): Apply the the change made to strip_main on
2001-05-30 by accident.
strip now passes the argument list as documented.
http://gcc.gnu.org/ml/gcc-patches/2000-06/msg00389.html
ChangeLog for this change (which was never committed to the master
GCC sources; the bug still exists in GCC 3.x!):
2000-05-09 Ethan Solomita ethan@cs.columbia.edu
* config/mips/mips.h (FUNCTION_PROFILER): Deal with
the case where jal is expanded as a macro.
This is done by removing the .reorder/.noreorder, and moving the
call to _mcount to after the stack adjust, thereby letting the
assembler deal with the delay slot, etc.
This fixes profiling with libraries built -mabicalls (default on
NetBSD).
I can't believe how long this problem has been discussed-but-not-fixed
on the GCC mailing list...
into the mmap'd region. (reviewed by thorpej.)
This is done to facilitate use as a host tool on not-necessarily-NetBSD
host systems. Specifically, it works around problems discovered on
linux (mostly tested on 2.4.2-smp / RH 7.1, but also seen on other
variants) in which mmap(...MAP_SHARED...) on NFS files doesn't work
properly:
74 [hardy] RAMDISK.EB % uname -a
Linux hardy 2.4.2-2smp #1 SMP Sun Apr 8 20:21:34 EDT 2001 i686 unknown
75 [hardy] RAMDISK.EB % cat /etc/issue
Red Hat Linux release 7.1 (Seawolf)
Kernel 2.4.2-2smp on a 2-processor i686
76 [hardy] RAMDISK.EB % df .
Filesystem 1k-blocks Used Available Use% Mounted on
fs:/home/cgd
104857600 98764968 6092632 95% /home/cgd
77 [hardy] RAMDISK.EB % date ; md5sum netbsd
Thu Dec 27 17:31:41 PST 2001
a1f35f085f130983892933df92d23be4 netbsd
78 [hardy] RAMDISK.EB % nbmdsetimage netbsd ~/proj-local/rd
79 [hardy] RAMDISK.EB % date ; md5sum netbsd
Thu Dec 27 17:31:49 PST 2001
740cbfb0a8432b7d3a6bf3421655e270 netbsd
80 [hardy] RAMDISK.EB % date ; md5sum netbsd
Thu Dec 27 17:31:51 PST 2001
a8c60aae879ead6893f074e83c23d70a netbsd
81 [hardy] RAMDISK.EB % date ; md5sum netbsd
Thu Dec 27 17:31:54 PST 2001
a8c60aae879ead6893f074e83c23d70a netbsd
82 [hardy] RAMDISK.EB % date ; md5sum netbsd
Thu Dec 27 17:31:55 PST 2001
a1f35f085f130983892933df92d23be4 netbsd
83 [hardy] RAMDISK.EB % date ; md5sum netbsd
Thu Dec 27 17:31:57 PST 2001
a1f35f085f130983892933df92d23be4 netbsd
84 [hardy] RAMDISK.EB %
("isn't that cool?")
case:
MKBFD If set to "no", disables building of libbfd, libiberty,
and all things that depend on them (binutils/gas/ld, gdb,
dbsym, mdsetimage).
MKGDB If set to "no", disables bulding of gdb.
MKGCC If set to "no", disables building of gcc and the
gcc-related libraries (libg2c, libgcc, libobjc, libstdc++).
These are useful for building platforms for which either of the following
situations are true:
(1) You have no userland from which to run toolchain2netbsd
in order to build the appropriate toolchain build framework.
(2) The platform which you are building requires a newer set
of tools than are currently in the tree (e.g. x86-64, ia64).
- SHLIBDIR Location to install shared libraries if ${USE_SHLIBDIR}
is "yes". Defaults to "/usr/lib".
- USE_SHLIBDIR If "yes", install shared libraries in ${SHLIBDIR}
instead of ${LIBDIR}. Defaults to "no".
Sets ${_LIBSODIR} to the appropriate value.
This may be set by individual Makefiles as well.
- SHLINKDIR Location of shared linker. Defaults to "/usr/libexec".
If != "/usr/libexec", change the dynamic-linker
encoded in shared programs
* Set USE_SHLIBDIR for libraries used by /bin and /sbin:
libc libcrypt libcrypto libedit libipsec libkvm libm libmi387
libtermcap libutil libz
* If ${_LIBSODIR} != ${LIBDIR}, add symlinks from ${LIBDIR}/${LIB}.so*
to ${_LIBSODIR}/${LIB}.so* for compatibility.
* Always install /sbin/init statically (for now)
The net effect of these changes depends on how the variables are set:
1.) If nothing is set or changed, there is no change from the
current behaviour:
- Static /bin, /sbin, and bits of /usr/*
- Dynamic rest
- Shared linker is /usr/libexec/ld*so
2.) If the following make variables are set:
LDSTATIC=
SHLINKDIR=/lib
SHLIBDIR=/lib
Then the behaviour becomes:
- Dynamic tools
- .so libraries used by /bin and /sbin are installed to /lib,
with symlinks from /usr/lib/lib*so to -> /lib/lib*so
where appropriate
- Shared linker is /lib/ld*so
3.) As per 2.), but add the following variable:
USE_SHLIBDIR=yes
This forces all .so's to be instaleld in /lib (with compat
symlinks), not just those tagged by their Makefiles to be.
Again, compat symlinks are installed
1) There is already a destructor that does this. The atexit() is superfluous.
2) If libstdc++ is loaded dynamically by dlopen() and then is removed by
dlclose(), the pointer is no longer valid and the program would core dump
at exit() time. (This caused xmms to core dump at exit when xmms-sid was
installed, for example.)
NOTE: THIS NEEDS TO BE APPLIED TO THE `TOOLCHAIN' VERSION.
* jump-format jumps: the target is in RB, so use the RB bits in
the insn, not the RA bits.
* branch-format displacements are 21 bits; extract all of them, and
sign-extend correctly.
* For conditional branches, we need to determine whether or not
the branch is actually taken.
and ASM_FINISH_DECLARE_OBJECT macros in <alpha/netbsd.h>,
and remove ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_OBJECT_NAME,
ASM_FINISH_DECLARE_OBJECT, and ASM_DECLARE_FUNCTION_SIZE from
<netbsd.h>.
* Regen files with proper OS names and version numbers.
* Clean up toolchain2netbsd somewhat, to get it ready to be cross-host
compatible (more work to be done here, but it's getting closer).
* Add framework for gdbreplay and gdbserver, but hold off on enabling these
by default until low-nbsd.c is verified to work everywhere.
address parts of PR toolchain/14896. This header file is nonstandard
(and doesn't even exist in gcc 3.0); an out-of-the-box gcc build also
doesn't provide the missing functions. So just drop the .h completely.
wiz