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This matches the equivalent bits in bfd/acinclude.m4
sim/ChangeLog:
* configure.ac: Honor existing CC_FOR_BUILD in environment.
* configure: Regenerate.
sim/aarch64/ChangeLog:
* configure: Regenerate.
sim/arm/ChangeLog:
* configure: Regenerate.
sim/avr/ChangeLog:
* configure: Regenerate.
sim/bfin/ChangeLog:
* configure: Regenerate.
sim/common/ChangeLog:
* acinclude.m4 (SIM_AC_COMMON) Honor existing CC_FOR_BUILD in
environment.
sim/cr16/ChangeLog:
* configure: Regenerate.
sim/cris/ChangeLog:
* configure: Regenerate.
sim/d10v/ChangeLog:
* configure: Regenerate.
sim/erc32/ChangeLog:
* configure: Regenerate.
sim/frv/ChangeLog:
* configure: Regenerate.
sim/ft32/ChangeLog:
* configure: Regenerate.
sim/h8300/ChangeLog:
* configure: Regenerate.
sim/iq2000/ChangeLog:
* configure: Regenerate.
sim/lm32/ChangeLog:
* configure: Regenerate.
sim/m32c/ChangeLog:
* configure: Regenerate.
sim/m32r/ChangeLog:
* configure: Regenerate.
sim/m68hc11/ChangeLog:
* configure: Regenerate.
sim/mcore/ChangeLog:
* configure: Regenerate.
sim/microblaze/ChangeLog:
* configure: Regenerate.
sim/mips/ChangeLog:
* configure: Regenerate.
sim/mn10300/ChangeLog:
* configure: Regenerate.
sim/moxie/ChangeLog:
* configure: Regenerate.
sim/msp430/ChangeLog:
* configure: Regenerate.
sim/rl78/ChangeLog:
* configure: Regenerate.
sim/rx/ChangeLog:
* configure: Regenerate.
sim/sh/ChangeLog:
* configure: Regenerate.
sim/sh64/ChangeLog:
* configure: Regenerate.
sim/v850/ChangeLog:
* configure: Regenerate.
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Rather than stuffing the command line with a bunch of -D flags, start
moving things to config.h which is managed by autoheader. This makes
the makefile a bit simpler and the build output tighter, and it makes
the migration to automake easier as there are fewer vars to juggle.
We'll want to move the other options out too, but it'll take more work.
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This was imported from the ppc sim, but that was only used to control
a single file, and that is already governed by the hw models. There's
no need to have a sep configure option here, especially since none of
the other sims are using it. Even when the code is enabled, there's
no runtime overhead.
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Currently ports have to call SIM_AC_OPTION_ENVIRONMENT explicitly in
order to make the configure flag available. There's no real reason
to not allow this flag for all ports, so move it to the common sim
macro. This way we get standard behavior across all ports too.
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Currently ports have to call SIM_AC_OPTION_ASSERT explicitly in order
to make the configure flag available, which none of them do. There's
no real reason to not allow this flag for all ports, so move it to the
common sim macro. This way we get standard behavior across all ports.
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We don't have alternative nltvals.def files, so always symlinking
the targ-vals.def file to it doesn't gain us anything. It does
make the build more complicated though and a pain to convert to
something newer (like automake). Drop the symlinking entirely.
In the future, we'll want to explode this file anyways into the
respective arch dirs so things can be selected dynamically at
runtime, so it's not like we'll be bringing this back.
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Currently ports have to call SIM_AC_OPTION_INLINE explicitly in order
to make the configure flag available. There's no real reason to not
allow this flag for all ports, so move it to the common sim macro.
This way we get standard behavior across all ports too.
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These options were never exposed for most sims (just the ppc one),
and they are really only useful on 32-bit x86 systems. Considering
modern systems tend to be 64-bit x86_64 and how well modern compilers
are at optimizing code, these have outlived their usefulness.
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No other sub directory provides such a configuration option, so
drop it from the sim dir as well. This cleans up a good bit of
code in the process.
If people want to use custom flags for just the sim, they can
still run configure+make by hand in the sim subdir and use the
normal CFLAGS settings.
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The common subdir sets up a cconfig.h file to hold checks for the common
code. In practice, most files still end up using config.h instead which
just leads to confusion.
Merge all the configure checks that went into cconfig.h into SIM_AC_COMMON
so we can drop the cconfig.h file altogether. Now there is only a single
config.h file like normal.
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2016-01-03 Mike Frysinger <vapier@gentoo.org>
* sim-options.c (sim_parse_args): Mark argv array const.
* sim-options.h (sim_parse_args): Likewise.
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The compiler/C library should produce reasonable code for htonl/ntohl,
and at least glibc tries pretty hard to always produce good code for
them. This logic only had support for 32-bit x86 systems anymore, and
it's unlikely people were even opting into this, so drop it all.
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Fix a long standing todo where we let getopt write directly to stderr
when an invalid option is passed. Use the sim io funcs instead as they
go through the filtered callbacks that gdb wants.
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The --enable-sim-hostendian flag was purely so people had an escape route
for when cross-compiling. This is because historically, AC_C_BIGENDIAN
did not work in those cases. That was fixed a while ago though, so we can
require that macro everywhere now and simplify a good bit of code.
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Rather than re-invent endian defines, as well as maintain our own list
of OS & arch-specific includes, punt all that logic in favor of the bfd
ones already set up and maintained elsewhere. We already rely on the
bfd library, so leveraging the endian aspect should be fine.
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Pretty much all targets are using this module already, so add it to the
common list of objects. The only oddball out here is cris and that's
because it supports loading via an offset for all the phdrs. We drop
support for that.
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No arch is using this anymore, and we want all new ports using the
hardware framework instead. Punt WITH_DEVICES and the two callbacks
device_io_{read,write}_buffer.
We can also punt the tconfig.h file as no port is using it anymore.
This fixes in-tree builds that get confused by picking up the wrong
one (common/ vs <port>/) caused by commit ae7d0cac8ce971f7108d270c.
Any port that needs to set up a global define can use their own
sim-main.h file that they must provide regardless.
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Fix occurrences of left-shifting negative constants in C code.
sim/arm/ChangeLog:
* thumbemu.c (handle_T2_insn): Fix left shift of negative value.
* armemu.c (handle_v6_insn): Likewise.
sim/avr/ChangeLog:
* interp.c (sign_ext): Fix left shift of negative value.
sim/mips/ChangeLog:
* micromips.igen (process_isa_mode): Fix left shift of negative
value.
sim/msp430/ChangeLog:
* msp430-sim.c (get_op, put_op): Fix left shift of negative value.
sim/v850/ChangeLog:
* simops.c (v850_bins): Fix left shift of negative value.
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We don't want global variables in the sim as all state should be in the
sim state or in the cpu state. This pushes down all that logic for avr.
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This is not entirely useful as avr doesn't (yet) store its register
state in the cpu state, but it does allow for switching to the common
code for these functions.
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Now that all arches (for the most part) have moved over, move sim-stop.o,
sim-reason.o, and sim-reg.o to the common object list and out of all the
arch ports.
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Other than the nice advantage of all sims having to declare one fewer
common function, this also fixes leakage in pretty much every sim.
Many were not freeing any resources, and a few were inconsistent as
to the ones they did. Now we have a single module that takes care of
all the logic for us.
Most of the non-cgen based ones could be deleted outright. The cgen
ones required adding a callback to the arch-specific cleanup func.
The few that still have close callbacks are to manage their internal
state.
We do not convert erc32, m32c, ppc, rl78, or rx as they do not use
the common sim core.
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This helps standardize the configure --help output.
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A few places still refer to the configure.in file; update them.
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No code uses this anymore and the symbol conflicts with the new TRACE
helper. Punt it from configure.
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This patch does whatever was done in
https://sourceware.org/ml/gdb-patches/2015-04/msg00437.html to fix
broken gdb build for the AVR target.
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Since every target typedefs this the same way, move it to the common code.
We have to leave Blackfin behind here for now because of inter-dependencies
on types and headers: sim-base.h includes sim-model.h which needs types in
machs.h which needs types in bfim-sim.h which needs SIM_CPU.
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Almost every target defines sim_cia the same way -- either using the
address_word type directly, or a type of equivalent size. The only
odd one out is sh64 (who has 32bit address_word and 64bit cia), and
even that case doesn't seem to make sense. We'll put off clean up
though of sh64 and at least set up a sensible default for everyone.
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The CIA_{GET,SET} macros serve the same function as CPU_PC_{GET,SET}
except the latter adds a layer of indirection via the sim state. This
lets models set up different functions at runtime and doesn't reach so
directly into the arch-specific cpu state.
It also doesn't make sense to have two sets of macros that do exactly
the same thing, so lets standardize on the one that gets us more.
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This makes the common sim-cpu logic work.
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Now that all the targets are utilizing CPU_PC_{FETCH,STORE}, and the
cpu state is multicore, and the STATE_CPU defines match, we can move
it all to the common code.
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This should be SIM, not GDB.
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This makes these two objects available to all sims by default.
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Now that all targets have been converted to nrun, we can finally punt
this old inconsistent interface.
A few stray references to the old run were sprinkled about; clean them
up in the process.
We leave behind the run(1) man page mostly so that we get it updated for
the new nrun interface.
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With zlib being mandatory, and the updated m4 configs, we need to regen
and use the new settings w/bfd to avoid linkage errors.
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Looks like a lot more work than actually was -- the main decode loop
was de-indented by dropping the loop as a step-once function.
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Rather than manually include tconfig.h when we think we'll need it (which
is error prone as it can define symbols we expect from config.h), have it
be included directly by config.h. Since we know we have to include that
header everywhere already, this will make sure tconfig.h isn't missed.
It should also be fine as tconfig.h is supposed to be simple and only set
up a few core defines for the target.
This allows us to stop symlinking it in place all the time and just use
it straight out of the respective source directory.
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We want people to stop using the run.c frontend, but it's hard to notice
when it's still set as the default. Lets flip things so nrun.c is the
default, and users of run.c will get an error by default. We turn that
error into a warning for existing sims so we don't break them -- this is
mostly meant for people starting new ports.
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This has been deprecated for a long time and no one calls it.
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Directories that don't use libtool need to add -ldl (on most *nix
hosts) to provide dlopen for libbfd.
config/
* plugins.m4 (AC_PLUGINS): If plugins are enabled, add -ldl to
LIBS via AC_SEARCH_LIBS.
gdb/
* acinclude.m4 (GDB_AC_CHECK_BFD): Don't add -ldl.
* config.in: Regenerate.
sim/ppc/
* configure.ac: Invoke AC_PLUGINS.
* config.in: Regenerate.
and regen lots of configure files.
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It is rare for people to want to modify the cmd arg. In general, they
really shouldn't be, but a few still do. For those who misbehave, dupe
the string locally so they can bang on it.
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There's no need for the prog_name handed down to the core to be mutable,
so add const markings to it and all the related funcs.
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libtool.m4.
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I noticed the sim code is using an old implementation of the maintainer logic.
I cut it over to the new macro (like gdb has been doing). In practice, it
makes no difference currently as nothing in the sim tree uses it, but I have a
follow up commit for the Blackfin tree that needs it.
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Some of the common includes in include/gdb such as callback.h
include bfd.h. But there was a recent change in bfd-in.h to
require that config.h be included before bfd.h can be included:
/* PR 14072: Ensure that config.h is included first. */
#if !defined PACKAGE && !defined PACKAGE_VERSION
#error config.h must be included before this header
#endif
PACKAGE_VERSION is always defined by default by the AC_INIT autoconf
macro, but PACKAGE isn't. This patch updates the SIM_AC_COMMON macro
to define it, and then regenerates all configure scripts and config.in
files.
sim/common/changeLog:
* acinclude.m4 (SIM_AC_COMMON): Define PACKAGE.
* config.in, configure: Regenerate.
sim/ChangeLog:
* configure: Regenerate.
sim/arm/ChangeLog:
* config.in, configure: Regenerate.
sim/avr/ChangeLog:
* config.in, configure: Regenerate.
sim/bfin/ChangeLog:
* config.in, configure: Regenerate.
sim/cr16/ChangeLog:
* config.in, configure: Regenerate.
sim/cris/ChangeLog:
* config.in, configure: Regenerate.
sim/d10v/ChangeLog:
* config.in, configure: Regenerate.
sim/erc32/ChangeLog:
* config.in, configure: Regenerate.
sim/frv/ChangeLog:
* config.in, configure: Regenerate.
sim/h8300/ChangeLog:
* config.in, configure: Regenerate.
sim/iq2000/ChangeLog:
* config.in, configure: Regenerate.
sim/lm32/ChangeLog:
* config.in, configure: Regenerate.
sim/m32c/ChangeLog:
* config.in, configure: Regenerate.
sim/m32r/ChangeLog:
* config.in, configure: Regenerate.
sim/m68hc11/ChangeLog:
* config.in, configure: Regenerate.
sim/mcore/ChangeLog:
* config.in, configure: Regenerate.
sim/microblaze/ChangeLog:
* config.in, configure: Regenerate.
sim/mips/ChangeLog:
* config.in, configure: Regenerate.
sim/mn10300/ChangeLog:
* config.in, configure: Regenerate.
sim/moxie/ChangeLog:
* config.in, configure: Regenerate.
sim/ppc/ChangeLog:
* configure: Regenerate.
sim/rl78/ChangeLog:
* config.in, configure: Regenerate.
sim/rx/ChangeLog:
* config.in, configure: Regenerate.
sim/sh/ChangeLog:
* config.in, configure: Regenerate.
sim/sh64/ChangeLog:
* config.in, configure: Regenerate.
sim/v850/ChangeLog:
* config.in, configure: Regenerate.
sim/testsuite/ChangeLog:
* configure: Regenerate.
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2012-05-24 Pedro Alves <palves@redhat.com>
PR gdb/7205
Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout.
gdb/gdbserver/
2012-05-24 Pedro Alves <palves@redhat.com>
PR gdb/7205
Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout.
include/gdb/
2012-05-24 Pedro Alves <palves@redhat.com>
PR gdb/7205
* gdb/signals.def: Replace TARGET_SIGNAL_ with GDB_SIGNAL_
throughout.
sim/arm/
2012-05-24 Pedro Alves <palves@redhat.com>
PR gdb/7205
Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout.
sim/avr/
2012-05-24 Pedro Alves <palves@redhat.com>
PR gdb/7205
Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout.
sim/common/
2012-05-24 Pedro Alves <palves@redhat.com>
PR gdb/7205
Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout.
sim/cr16/
2012-05-24 Pedro Alves <palves@redhat.com>
PR gdb/7205
Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout.
sim/d10v/
2012-05-24 Pedro Alves <palves@redhat.com>
PR gdb/7205
Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout.
sim/erc32/
2012-05-24 Pedro Alves <palves@redhat.com>
PR gdb/7205
Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout.
sim/m32c/
2012-05-24 Pedro Alves <palves@redhat.com>
PR gdb/7205
Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout.
sim/ppc/
2012-05-24 Pedro Alves <palves@redhat.com>
PR gdb/7205
Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout.
sim/rl78/
2012-05-24 Pedro Alves <palves@redhat.com>
PR gdb/7205
Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout.
sim/rx/
2012-05-24 Pedro Alves <palves@redhat.com>
PR gdb/7205
Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout.
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Before POSIX standardized strsignal(), old systems would hide the
prototype unless the normal extension defines were enabled. So use
the AC_USE_SYSTEM_EXTENSIONS helper for that.
Then make sure we include string.h ourselves in nrun.c rather than
relying on implicit includes via other sim headers.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Lift the code that GDB is using to generate dependencies on the fly and
port it over to the sim. Now people shouldn't have to manually maintain
these in their Makefile's.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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