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ams: support building unit test programs on windows/linux/macos

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Michael Scire 2022-03-06 12:08:20 -08:00 • committed by SciresM
parent 9a38be201a
commit 64a97576d0
756 changed files with 33359 additions and 9372 deletions
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181
libraries/libstratosphere/source/ams/ams_environment.os.horizon.cpp Normal file
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/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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/>.
*/
#include <stratosphere.hpp>
#include "ams_bpc.os.horizon.h"
namespace ams {
namespace {
#if defined(ATMOSPHERE_ARCH_ARM64)
inline u64 GetPc() {
u64 pc;
__asm__ __volatile__ ("adr %[pc], ." : [pc]"=&r"(pc) :: );
return pc;
}
struct StackFrame {
u64 fp;
u64 lr;
};
#else
#error "Unknown architecture for os Horizon"
#endif
}
void InitializeForBoot() {
R_ABORT_UNLESS(amsBpcInitialize());
}
void SetInitialRebootPayload(const void *src, size_t src_size) {
R_ABORT_UNLESS(amsBpcSetRebootPayload(src, src_size));
}
void WEAK_SYMBOL ExceptionHandler(FatalErrorContext *ctx) {
R_ABORT_UNLESS(amsBpcInitialize());
R_ABORT_UNLESS(amsBpcRebootToFatalError(ctx));
while (1) { /* ... */ }
}
void CrashHandler(ThreadExceptionDump *ctx) {
FatalErrorContext ams_ctx;
/* Convert thread dump to atmosphere dump. */
{
ams_ctx.magic = FatalErrorContext::Magic;
ams_ctx.error_desc = ctx->error_desc;
ams_ctx.program_id = os::GetCurrentProgramId().value;
for (size_t i = 0; i < FatalErrorContext::NumGprs; i++) {
ams_ctx.gprs[i] = ctx->cpu_gprs[i].x;
}
if (ams_ctx.error_desc == FatalErrorContext::DataAbortErrorDesc &&
ams_ctx.gprs[27] == FatalErrorContext::StdAbortMagicAddress &&
ams_ctx.gprs[28] == FatalErrorContext::StdAbortMagicValue)
{
/* Detect std::abort(). */
ams_ctx.error_desc = FatalErrorContext::StdAbortErrorDesc;
}
ams_ctx.fp = ctx->fp.x;
ams_ctx.lr = ctx->lr.x;
ams_ctx.sp = ctx->sp.x;
ams_ctx.pc = ctx->pc.x;
ams_ctx.pstate = ctx->pstate;
ams_ctx.afsr0 = static_cast<u32>(::ams::exosphere::GetVersion(ATMOSPHERE_RELEASE_VERSION));
ams_ctx.afsr1 = static_cast<u32>(hos::GetVersion());
ams_ctx.far = ctx->far.x;
ams_ctx.report_identifier = armGetSystemTick();
/* Detect stack overflow. */
if (ams_ctx.error_desc == FatalErrorContext::DataAbortErrorDesc) {
svc::lp64::MemoryInfo mem_info;
svc::PageInfo page_info;
if (/* Check if stack pointer is in guard page. */
R_SUCCEEDED(svc::QueryMemory(std::addressof(mem_info), std::addressof(page_info), ams_ctx.sp)) &&
mem_info.state == svc::MemoryState_Free &&
/* Check if stack pointer fell off stack. */
R_SUCCEEDED(svc::QueryMemory(std::addressof(mem_info), std::addressof(page_info), ams_ctx.sp + 0x1000)) &&
mem_info.state == svc::MemoryState_Stack) {
ams_ctx.error_desc = FatalErrorContext::StackOverflowErrorDesc;
}
}
/* Grab module base. */
{
svc::lp64::MemoryInfo mem_info;
svc::PageInfo page_info;
if (R_SUCCEEDED(svc::QueryMemory(std::addressof(mem_info), std::addressof(page_info), GetPc()))) {
ams_ctx.module_base = mem_info.base_address;
} else {
ams_ctx.module_base = 0;
}
}
ams_ctx.stack_trace_size = 0;
u64 cur_fp = ams_ctx.fp;
for (size_t i = 0; i < FatalErrorContext::MaxStackTrace; i++) {
/* Validate current frame. */
if (cur_fp == 0 || (cur_fp & 0xF)) {
break;
}
/* Read a new frame. */
StackFrame cur_frame;
svc::lp64::MemoryInfo mem_info;
svc::PageInfo page_info;
if (R_SUCCEEDED(svc::QueryMemory(std::addressof(mem_info), std::addressof(page_info), cur_fp)) && (mem_info.permission & svc::MemoryPermission_Read) == svc::MemoryPermission_Read) {
std::memcpy(std::addressof(cur_frame), reinterpret_cast<void *>(cur_fp), sizeof(cur_frame));
} else {
break;
}
/* Advance to the next frame. */
ams_ctx.stack_trace[ams_ctx.stack_trace_size++] = cur_frame.lr;
cur_fp = cur_frame.fp;
}
/* Clear unused parts of stack trace. */
for (size_t i = ams_ctx.stack_trace_size; i < FatalErrorContext::MaxStackTrace; i++) {
ams_ctx.stack_trace[i] = 0;
}
/* Grab up to 0x100 of stack. */
{
svc::lp64::MemoryInfo mem_info;
svc::PageInfo page_info;
if (R_SUCCEEDED(svc::QueryMemory(std::addressof(mem_info), std::addressof(page_info), ams_ctx.sp)) && (mem_info.permission & svc::MemoryPermission_Read) == svc::MemoryPermission_Read) {
size_t copy_size = std::min(FatalErrorContext::MaxStackDumpSize, static_cast<size_t>(mem_info.base_address + mem_info.size - ams_ctx.sp));
ams_ctx.stack_dump_size = copy_size;
std::memcpy(ams_ctx.stack_dump, reinterpret_cast<void *>(ams_ctx.sp), copy_size);
} else {
ams_ctx.stack_dump_size = 0;
}
}
/* Grab 0x100 of tls. */
std::memcpy(ams_ctx.tls, svc::GetThreadLocalRegion(), sizeof(ams_ctx.tls));
}
/* Just call the user exception handler. */
::ams::ExceptionHandler(std::addressof(ams_ctx));
}
NORETURN void AbortImpl();
}
extern "C" {
/* Redefine C++ exception handlers. Requires wrap linker flag. */
#define WRAP_ABORT_FUNC(func) void NORETURN __wrap_##func(void) { ::ams::AbortImpl(); __builtin_unreachable(); }
WRAP_ABORT_FUNC(__cxa_throw)
WRAP_ABORT_FUNC(__cxa_rethrow)
WRAP_ABORT_FUNC(__cxa_allocate_exception)
WRAP_ABORT_FUNC(__cxa_free_exception)
WRAP_ABORT_FUNC(__cxa_begin_catch)
WRAP_ABORT_FUNC(__cxa_end_catch)
WRAP_ABORT_FUNC(__cxa_call_unexpected)
WRAP_ABORT_FUNC(__cxa_call_terminate)
WRAP_ABORT_FUNC(__gxx_personality_v0)
WRAP_ABORT_FUNC(_ZSt19__throw_logic_errorPKc)
WRAP_ABORT_FUNC(_ZSt20__throw_length_errorPKc)
WRAP_ABORT_FUNC(_ZNSt11logic_errorC2EPKc)
/* TODO: We may wish to consider intentionally not defining an _Unwind_Resume wrapper. */
/* This would mean that a failure to wrap all exception functions is a linker error. */
WRAP_ABORT_FUNC(_Unwind_Resume)
#undef WRAP_ABORT_FUNC
}