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| author | Jose E. Marchesi <jose.marchesi@oracle.com> | 2020-08-04 18:09:16 +0200 |
|---|---|---|
| committer | Jose E. Marchesi <jose.marchesi@oracle.com> | 2020-08-04 18:09:16 +0200 |
| commit | b26e2ae7d333d84a85daaa9ca699c8bae2bd05bc (patch) | |
| tree | 73db093a038074bb84b9104e5bd1182e062e9546 /sim/bpf/bpf-sim.h | |
| parent | 39791af2a2191a2f7765d7809ecedcd0442138bf (diff) | |
| download | binutils-b26e2ae7d333d84a85daaa9ca699c8bae2bd05bc.zip binutils-b26e2ae7d333d84a85daaa9ca699c8bae2bd05bc.tar.gz binutils-b26e2ae7d333d84a85daaa9ca699c8bae2bd05bc.tar.bz2 | |
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.
Diffstat (limited to 'sim/bpf/bpf-sim.h')
| -rw-r--r-- | sim/bpf/bpf-sim.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/sim/bpf/bpf-sim.h b/sim/bpf/bpf-sim.h new file mode 100644 index 0000000..6b5c275 --- /dev/null +++ b/sim/bpf/bpf-sim.h @@ -0,0 +1,31 @@ +/* eBPF simulator support code header + Copyright (C) 2020 Free Software Foundation, Inc. + + This file is part of GDB, the GNU debugger. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +#ifndef BPF_SIM_H +#define BPF_SIM_H + +void bpfbf_insn_before (sim_cpu* current_cpu, SEM_PC vpc, const IDESC *idesc); +void bpfbf_insn_after (sim_cpu* current_cpu, SEM_PC vpc, const IDESC *idesc); + +DI bpfbf_endbe (SIM_CPU *, DI, UINT); +DI bpfbf_endle (SIM_CPU *, DI, UINT); +DI bpfbf_skb_data_offset (SIM_CPU *); +VOID bpfbf_call (SIM_CPU *, INT, UINT); +VOID bpfbf_exit (SIM_CPU *); + +#endif /* ! BPF_SIM_H */ |