13 Commits

Author SHA1 Message Date
213516ef31 Update copyright year range in header of all files managed by GDB
This commit is the result of running the gdb/copyright.py script,
which automated the update of the copyright year range for all
source files managed by the GDB project to be updated to include
year 2023.
2023-01-01 17:01:16 +04:00
ee1cffd388 sim: common: change sim_{fetch,store}_register helpers to use void* buffers
When reading/writing arbitrary data to the system's memory, the unsigned
char pointer type doesn't make that much sense.  Switch it to void so we
align a bit with standard C library read/write functions, and to avoid
having to sprinkle casts everywhere.
2022-11-02 20:31:10 +05:45
5bab16fdf1 sim: reg: constify store helper
These functions only read from memory, so mark the pointer as const.
2022-10-31 21:24:39 +05:45
4a94e36819 Automatic Copyright Year update after running gdb/copyright.py
This commit brings all the changes made by running gdb/copyright.py
as per GDB's Start of New Year Procedure.

For the avoidance of doubt, all changes in this commits were
performed by the script.
2022-01-01 19:13:23 +04:00
f2ddf6e39d sim: bpf: fix printf warnings on 32-bit systems
Use PRI macros to display 64-bit types instead of assuming long is
a 64-bit type itself.
2021-06-28 11:26:09 -04:00
76f11310df sim: bpf: include more local headers & fix broken funcs
Various files were not including the relevant headers, or some funcs
were missing prototypes entirely, leading to mismatch between the
actual definition of the functions.  Add includes to a few places and
fix the broken functions that are uncovered as a result.  Fixing some
compile warnings (e.g. missing prototypes) often find real bugs.
2021-06-27 10:53:15 -04:00
1fef66b0dc sim: split sim-signal.h include out
The sim-basics.h is too big and includes too many things.  This leads
to some arch's sim-main.h having circular loop issues with defs, and
makes it hard to separate out common objects from arch-specific defs.
By splitting up sim-basics.h and killing off sim-main.h, it'll make
it easier to separate out the two.
2021-06-18 00:50:14 -04:00
eee649922f sim: bpf: use CURRENT_TARGET_BYTE_ORDER
Code should be going through this macro rather than accessing the
underlying value directly.
2021-06-09 18:23:48 -04:00
6df01ab8ab sim: switch config.h usage to defs.h
The defs.h header will take care of including the various config.h
headers.  For now, it's just config.h, but we'll add more when we
integrate gnulib in.

This header should be used instead of config.h, and should be the
first include in every .c file.  We won't rely on the old behavior
where we expected files to include the port's sim-main.h which then
includes the common sim-basics.h which then includes config.h.  We
have a ton of code that includes things before sim-main.h, and it
sometimes needs to be that way.  Creating a dedicated header avoids
the ordering mess and implicit inclusion that shows up otherwise.
2021-05-16 22:38:41 -04:00
81e6e8ae40 Do not use old-style definitions in sim
This changes all the non-generated (hand-written) code in sim to use
"new" (post-K&R) style function definitions.

2021-04-08  Tom Tromey  <tom@tromey.com>

	* bpf.c (bpf_def_model_init): Use new-style declaration.

sim/common/ChangeLog
2021-04-08  Tom Tromey  <tom@tromey.com>

	* cgen-utils.c (RORQI, ROLQI, RORHI, ROLHI, RORSI, ROLSI): Use
	new-style declaration.

sim/erc32/ChangeLog
2021-04-08  Tom Tromey  <tom@tromey.com>

	* sis.c (run_sim, main): Use new-style declaration.
	* interf.c (run_sim, sim_open, sim_close, sim_load)
	(sim_create_inferior, sim_store_register, sim_fetch_register)
	(sim_info, sim_stop_reason, flush_windows, sim_do_command): Use
	new-style declaration.
	* help.c (usage, gen_help): Use new-style declaration.
	* func.c (batch, set_regi, set_rega, disp_reg, limcalc)
	(reset_stat, show_stat, init_bpt, int_handler, init_signals)
	(disp_fpu, disp_regs, disp_ctrl, disp_mem, dis_mem, event)
	(init_event, set_int, advance_time, now, wait_for_irq, check_bpt)
	(reset_all, sys_reset, sys_halt): Use new-style declaration.
	* float.c (get_accex, clear_accex, set_fsr): Use new-style
	declaration.
	* exec.c (sub_cc, add_cc, log_cc, dispatch_instruction, fpexec)
	(chk_asi, execute_trap, check_interrupts, init_regs): Use
	new-style declaration.
	* erc32.c (init_sim, reset, decode_ersr, mecparerror)
	(error_mode, decode_memcfg, decode_wcr, decode_mcr, sim_halt)
	(close_port, exit_sim, mec_reset, mec_intack, chk_irq, mec_irq)
	(set_sfsr, mec_read, mec_write, init_stdio, restore_stdio)
	(port_init, read_uart, write_uart, flush_uart, uarta_tx)
	(uartb_tx, uart_rx, uart_intr, uart_irq_start, wdog_intr)
	(wdog_start, rtc_intr, rtc_start, rtc_counter_read)
	(rtc_scaler_set, rtc_reload_set, gpt_intr, gpt_start)
	(gpt_counter_read, gpt_scaler_set, gpt_reload_set, timer_ctrl)
	(memory_read, memory_write, get_mem_ptr, sis_memory_write)
	(sis_memory_read): Use new-style declaration.

sim/frv/ChangeLog
2021-04-08  Tom Tromey  <tom@tromey.com>

	* sim-if.c (sim_open, frv_sim_close, sim_create_inferior): Use
	new-style declaration.

sim/h8300/ChangeLog
2021-04-08  Tom Tromey  <tom@tromey.com>

	* compile.c (cmdline_location): Use new-style declaration.

sim/iq2000/ChangeLog
2021-04-08  Tom Tromey  <tom@tromey.com>

	* sim-if.c (sim_open, sim_create_inferior): Use new-style
	declaration.
	* iq2000.c (fetch_str): Use new-style declaration.

sim/lm32/ChangeLog
2021-04-08  Tom Tromey  <tom@tromey.com>

	* sim-if.c (sim_open, sim_create_inferior): Use new-style
	declaration.

sim/m32r/ChangeLog
2021-04-08  Tom Tromey  <tom@tromey.com>

	* sim-if.c (sim_open, sim_create_inferior): Use new-style
	declaration.
2021-04-08 14:34:42 -06:00
3666a04883 Update copyright year range in all GDB files
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...

gdb/ChangeLog

        Update copyright year range in copyright header of all GDB files.
2021-01-01 12:12:21 +04:00
0316fb52d6 bpf: several small fixes in the simulator
This patch fixes the following problems:
- Missing includes in several files leading to implicit function
  declarations.
- Missing prototype for bpf_trace_printk in bpf-helpers.h
- The simulator bitsize was set to 32 bits, causing truncation of
  the program counter.

Tested in bpf-unknown-none.

sim/ChangeLog:

2020-09-03  Jose E. Marchesi  <jose.marchesi@oracle.com>

	* bpf/bpf.c: Include bpf-helpers.h.
	* bpf/bpf-helpers.h: Provide a prototype for bpf_trace_printk.
	* bpf/configure.ac: Set simulator bitsize to 64.
	* bpf/configure (includedir): Regenerate.
	* bpf/sim-if.c: Include stdlib.h.
	* bpf/traps.c: Likewise.
2020-09-03 18:22:08 +02:00
b26e2ae7d3 sim: eBPF simulator
This patch introduces the basics of an instruction-simulator for eBPF.
The simulator is based on CGEN.

gdb/ChangeLog:

2020-08-04  Jose E. Marchesi  <jose.marchesi@oracle.com>

	* configure.tgt: Set gdb_sim for bpf-*-* targets.

sim/ChangeLog:

2020-08-04  Jose E. Marchesi  <jose.marchesi@oracle.com>
	    David Faust <david.faust@oracle.com>

	* configure.tgt (sim_arch): Add entry for bpf-*-*.
	* configure: Regenerate.
	* MAINTAINERS: Add maintainer for the BPF simulator.
	* bpf/Makefile.in: New file.
	* bpf/bpf-helpers.c: Likewise.
	* bpf/bpf-helpers.def: Likewise.
	* bpf/bpf-helpers.h: Likewise.
	* bpf/bpf-sim.h: Likewise.
	* bpf/bpf.c: Likewise.
	* bpf/config.in: Likewise.
	* bpf/configure.ac: Likewise.
	* bpf/decode.h: Likewise.
	* bpf/eng.h: Likewise.
	* bpf/mloop.in: Likewise.
	* bpf/sim-if.c: Likewise.
	* bpf/sim-main.h: Likewise.
	* bpf/traps.c: Likewise.
	* bpf/configure: Generate.
	* bpf/aclocal.m4: Likewise.

sim/testsuite/ChangeLog:

2020-08-04  David Faust  <david.faust@oracle.com>
	    Jose E. Marchesi  <jose.marchesi@oracle.com>

	* configure: Regenerate.
	* sim/bpf/allinsn.exp: New file.
	* sim/bpf/alu.s: Likewise.
	* sim/bpf/alu32.s: Likewise.
	* sim/bpf/endbe.s: Likewise.
	* sim/bpf/endle.s: Likewise.
	* sim/bpf/jmp.s: Likewise.
	* sim/bpf/jmp32.s: Likewise.
	* sim/bpf/ldabs.s: Likewise.
	* sim/bpf/mem.s: Likewise.
	* sim/bpf/mov.s: Likewise.
	* sim/bpf/testutils.inc: Likewise.
	* sim/bpf/xadd.s: Likewise.
2020-08-04 18:09:16 +02:00