1//===-- OpenBSDSignals.cpp ------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "OpenBSDSignals.h"
10
11#ifdef __OpenBSD__
12#include <csignal>
13
14#define ADD_SIGCODE(signal_name, signal_value, code_name, code_value, ...) \
15 static_assert(signal_name == signal_value, \
16 "Value mismatch for signal number " #signal_name); \
17 static_assert(code_name == code_value, \
18 "Value mismatch for signal code " #code_name); \
19 AddSignalCode(signal_value, code_value, __VA_ARGS__)
20#else
21#define ADD_SIGCODE(signal_name, signal_value, code_name, code_value, ...) \
22 AddSignalCode(signal_value, code_value, __VA_ARGS__)
23#endif /* ifdef __OpenBSD */
24
25using namespace lldb_private;
26
27OpenBSDSignals::OpenBSDSignals() : UnixSignals() { Reset(); }
28
29void OpenBSDSignals::Reset() {
30 UnixSignals::Reset();
31
32 // clang-format off
33 // SIGILL
34 ADD_SIGCODE(SIGILL, 4, ILL_ILLOPC, 1, "illegal opcode");
35 ADD_SIGCODE(SIGILL, 4, ILL_ILLOPN, 2, "illegal operand");
36 ADD_SIGCODE(SIGILL, 4, ILL_ILLADR, 3, "illegal addressing mode");
37 ADD_SIGCODE(SIGILL, 4, ILL_ILLTRP, 4, "illegal trap");
38 ADD_SIGCODE(SIGILL, 4, ILL_PRVOPC, 5, "privileged opcode");
39 ADD_SIGCODE(SIGILL, 4, ILL_PRVREG, 6, "privileged register");
40 ADD_SIGCODE(SIGILL, 4, ILL_COPROC, 7, "coprocessor error");
41 ADD_SIGCODE(SIGILL, 4, ILL_BADSTK, 8, "internal stack error");
42 ADD_SIGCODE(SIGILL, 4, ILL_BTCFI, 9, "IBT missing on indirect call");
43
44 // SIGFPE
45 ADD_SIGCODE(SIGFPE, 8, FPE_INTDIV, 1, "integer divide by zero");
46 ADD_SIGCODE(SIGFPE, 8, FPE_INTOVF, 2, "integer overflow");
47 ADD_SIGCODE(SIGFPE, 8, FPE_FLTDIV, 3, "floating point divide by zero");
48 ADD_SIGCODE(SIGFPE, 8, FPE_FLTOVF, 4, "floating point overflow");
49 ADD_SIGCODE(SIGFPE, 8, FPE_FLTUND, 5, "floating point underflow");
50 ADD_SIGCODE(SIGFPE, 8, FPE_FLTRES, 6, "floating point inexact result");
51 ADD_SIGCODE(SIGFPE, 8, FPE_FLTINV, 7, "invalid floating point operation");
52 ADD_SIGCODE(SIGFPE, 8, FPE_FLTSUB, 8, "subscript out of range");
53
54 // SIGBUS
55 ADD_SIGCODE(SIGBUS, 10, BUS_ADRALN, 1, "invalid address alignment");
56 ADD_SIGCODE(SIGBUS, 10, BUS_ADRERR, 2, "non-existent physical address");
57 ADD_SIGCODE(SIGBUS, 10, BUS_OBJERR, 3, "object specific hardware error");
58
59 // SIGSEGV
60 ADD_SIGCODE(SIGSEGV, 11, SEGV_MAPERR, 1, "address not mapped to object",
61 SignalCodePrintOption::Address);
62 ADD_SIGCODE(SIGSEGV, 11, SEGV_ACCERR, 2, "invalid permissions for mapped object",
63 SignalCodePrintOption::Address);
64
65 // SIGNO NAME SUPPRESS STOP NOTIFY DESCRIPTION
66 // ===== ============== ======== ====== ====== ========================
67 AddSignal(signo: 32, name: "SIGTHR", default_suppress: false, default_stop: false, default_notify: false, description: "thread library AST");
68 // clang-format on
69}
70

source code of lldb/source/Plugins/Process/Utility/OpenBSDSignals.cpp