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|---|---|---|---|
| 1 | /* GATE PROJECT LICENSE: | ||
| 2 | +----------------------------------------------------------------------------+ | ||
| 3 | | Copyright(c) 2018-2025, Stefan Meislinger <sm@opengate.at> | | ||
| 4 | | All rights reserved. | | ||
| 5 | | | | ||
| 6 | | Redistribution and use in source and binary forms, with or without | | ||
| 7 | | modification, are permitted provided that the following conditions are met:| | ||
| 8 | | | | ||
| 9 | | 1. Redistributions of source code must retain the above copyright notice, | | ||
| 10 | | this list of conditions and the following disclaimer. | | ||
| 11 | | 2. Redistributions in binary form must reproduce the above copyright | | ||
| 12 | | notice, this list of conditions and the following disclaimer in the | | ||
| 13 | | documentation and/or other materials provided with the distribution. | | ||
| 14 | | | | ||
| 15 | | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"| | ||
| 16 | | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | | ||
| 17 | | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | | ||
| 18 | | ARE DISCLAIMED.IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | | ||
| 19 | | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | | ||
| 20 | | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | | ||
| 21 | | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | | ||
| 22 | | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | | ||
| 23 | | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | | ||
| 24 | | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | | ||
| 25 | | THE POSSIBILITY OF SUCH DAMAGE. | | ||
| 26 | +----------------------------------------------------------------------------+ | ||
| 27 | */ | ||
| 28 | |||
| 29 | #include "gate/callstacks.hpp" | ||
| 30 | |||
| 31 | namespace gate | ||
| 32 | { | ||
| 33 | 3 | static gate_result_t callstack_run_runnable(gate_dataptr_t arg) | |
| 34 | { | ||
| 35 | 3 | IRunnable* ptr = static_cast<IRunnable*>(arg); | |
| 36 |
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3 | ExceptionInfo info = catchException(*ptr); |
| 37 | 1 | return info.result_code; | |
| 38 | } | ||
| 39 | |||
| 40 | 1 | Result<size_t> Callstack::trace(Address* ptr_addresses, size_t addresses_max) noexcept | |
| 41 | { | ||
| 42 | 1 | size_t addresses_used = 0; | |
| 43 | 1 | result_t result = gate_callstack_trace(ptr_addresses, addresses_max, &addresses_used); | |
| 44 | 1 | return makeResult(result, addresses_used); | |
| 45 | } | ||
| 46 | |||
| 47 | 1 | Result<size_t> Callstack::print(Address addr, char* buffer, size_t buffer_capacity) noexcept | |
| 48 | { | ||
| 49 | 1 | size_t buffer_used = 0; | |
| 50 | 1 | result_t result = gate_callstack_print(addr, buffer, buffer_capacity, &buffer_used); | |
| 51 | 1 | return makeResult(result, buffer_used); | |
| 52 | } | ||
| 53 | |||
| 54 | 1 | VoidResult Callstack::print(Address addr, StringBuilder& builder) noexcept | |
| 55 | { | ||
| 56 | char buffer[1024]; | ||
| 57 | 2 | Result<size_t> result = Callstack::print(addr, buffer, sizeof(buffer) - 1); | |
| 58 |
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1 | if (result.hasError()) |
| 59 | { | ||
| 60 | ✗ | return makeErr(result.error()); | |
| 61 | } | ||
| 62 | 1 | size_t const buffer_used = result.value(); | |
| 63 | 1 | buffer[buffer_used] = 0; | |
| 64 | 1 | builder.append(buffer, buffer_used); | |
| 65 | 1 | return makeResult(results::Ok); | |
| 66 | } | ||
| 67 | |||
| 68 | |||
| 69 | |||
| 70 | 1 | VoidResult Callstack::fork(Anchor& state, | |
| 71 | gate_entrypoint_t entry, void* entry_param, | ||
| 72 | gate_entrypoint_t branch, void* branch_param) noexcept | ||
| 73 | { | ||
| 74 | 1 | result_t result = gate_callstack_fork(&state, entry, entry_param, branch, branch_param); | |
| 75 | 1 | return makeResult(result); | |
| 76 | } | ||
| 77 | |||
| 78 | 1 | VoidResult Callstack::fork(Anchor& state, IRunnable& code, IRunnable& branch) noexcept | |
| 79 | { | ||
| 80 | 1 | return Callstack::fork(state, &callstack_run_runnable, &code, &callstack_run_runnable, &branch); | |
| 81 | } | ||
| 82 | |||
| 83 | 1 | void Callstack::jumpToBranch(Anchor& state) noexcept | |
| 84 | { | ||
| 85 | 1 | gate_callstack_jump(&state); | |
| 86 | ✗ | } | |
| 87 | |||
| 88 | |||
| 89 | |||
| 90 | 1 | Callstack::Callstack(size_t initstacksize) | |
| 91 | 1 | : stacksize(initstacksize), stackptr(NULL) | |
| 92 | { | ||
| 93 | 1 | result_t result = gate_callstack_create(&this->stacksize, &this->stackptr); | |
| 94 |
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1 | GATEXX_CHECK_ERROR(result); |
| 95 | 1 | } | |
| 96 | |||
| 97 | 2 | Callstack::~Callstack() noexcept | |
| 98 | { | ||
| 99 | 1 | gate_callstack_destroy(this->stackptr, this->stacksize); | |
| 100 | 1 | } | |
| 101 | |||
| 102 | 1 | Result<result_t> Callstack::run(Context& caller_ctx_to_save, gate_entrypoint_t entry_func, void* param) noexcept | |
| 103 | { | ||
| 104 | 1 | result_t entry_result = results::Ok; | |
| 105 | 1 | result_t result = gate_callstack_run(this->stackptr, this->stacksize, &caller_ctx_to_save, entry_func, param, &entry_result); | |
| 106 |
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1 | if (GATE_FAILED(result)) |
| 107 | { | ||
| 108 | ✗ | return makeErr(result); | |
| 109 | } | ||
| 110 | else | ||
| 111 | { | ||
| 112 | 1 | return makeOk(entry_result); | |
| 113 | } | ||
| 114 | } | ||
| 115 | |||
| 116 | 1 | Result<result_t> Callstack::run(Context& caller_ctx_to_save, IRunnable& runnable) noexcept | |
| 117 | { | ||
| 118 | 1 | return this->run(caller_ctx_to_save, &callstack_run_runnable, &runnable); | |
| 119 | } | ||
| 120 | |||
| 121 | 1 | VoidResult Callstack::switchTo(Context& current_to_save, Context& next_to_load) noexcept | |
| 122 | { | ||
| 123 | 1 | result_t result = gate_callstack_switch(¤t_to_save, &next_to_load); | |
| 124 | ✗ | return makeResult(result); | |
| 125 | } | ||
| 126 | |||
| 127 | ✗ | void* Callstack::getStack() const noexcept | |
| 128 | { | ||
| 129 | ✗ | return this->stackptr; | |
| 130 | } | ||
| 131 | |||
| 132 | ✗ | size_t Callstack::getSize() const noexcept | |
| 133 | { | ||
| 134 | ✗ | return this->stacksize; | |
| 135 | } | ||
| 136 | |||
| 137 | } | ||
| 138 |