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ams: dump tls in fatal error context

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This commit is contained in:
Michael Scire 2020-03-08 17:01:53 -07:00
parent 08d9de6907
commit 4c5e980e07
4 changed files with 24 additions and 13 deletions
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4
fusee/fusee-primary/src/panic.c
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@ -52,7 +52,9 @@ static const char *get_error_desc_str(uint32_t error_desc) {
static void _check_and_display_atmosphere_fatal_error(void) { static void _check_and_display_atmosphere_fatal_error(void) {
/* Check for valid magic. */ /* Check for valid magic. */
if (ATMOSPHERE_FATAL_ERROR_CONTEXT->magic != ATMOSPHERE_REBOOT_TO_FATAL_MAGIC && if (ATMOSPHERE_FATAL_ERROR_CONTEXT->magic != ATMOSPHERE_REBOOT_TO_FATAL_MAGIC &&
ATMOSPHERE_FATAL_ERROR_CONTEXT->magic != ATMOSPHERE_REBOOT_TO_FATAL_MAGIC_0) { ATMOSPHERE_FATAL_ERROR_CONTEXT->magic != ATMOSPHERE_REBOOT_TO_FATAL_MAGIC_1 &&
ATMOSPHERE_FATAL_ERROR_CONTEXT->magic != ATMOSPHERE_REBOOT_TO_FATAL_MAGIC_0)
{
return; return;
} }

6
fusee/fusee-primary/src/panic.h
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@ -30,6 +30,7 @@
#define AMS_FATAL_ERROR_MAX_STACKTRACE 0x20 #define AMS_FATAL_ERROR_MAX_STACKTRACE 0x20
#define AMS_FATAL_ERROR_MAX_STACKDUMP 0x100 #define AMS_FATAL_ERROR_MAX_STACKDUMP 0x100
#define AMS_FATAL_ERROR_TLS_SIZE 0x100
/* Atmosphere reboot-to-fatal-error. */ /* Atmosphere reboot-to-fatal-error. */
typedef struct { typedef struct {
@ -57,10 +58,13 @@ typedef struct {
uint64_t stack_dump_size; uint64_t stack_dump_size;
uint64_t stack_trace[AMS_FATAL_ERROR_MAX_STACKTRACE]; uint64_t stack_trace[AMS_FATAL_ERROR_MAX_STACKTRACE];
uint8_t stack_dump[AMS_FATAL_ERROR_MAX_STACKDUMP]; uint8_t stack_dump[AMS_FATAL_ERROR_MAX_STACKDUMP];
uint8_t tls[AMS_FATAL_ERROR_TLS_SIZE];
} atmosphere_fatal_error_ctx; } atmosphere_fatal_error_ctx;
/* "AFE2" */
#define ATMOSPHERE_REBOOT_TO_FATAL_MAGIC 0x32454641
/* "AFE1" */ /* "AFE1" */
#define ATMOSPHERE_REBOOT_TO_FATAL_MAGIC 0x31454641 #define ATMOSPHERE_REBOOT_TO_FATAL_MAGIC_1 0x31454641
/* "AFE0" */ /* "AFE0" */
#define ATMOSPHERE_REBOOT_TO_FATAL_MAGIC_0 0x30454641 #define ATMOSPHERE_REBOOT_TO_FATAL_MAGIC_0 0x30454641

6
libraries/libstratosphere/include/stratosphere/ams/ams_types.hpp
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@ -83,12 +83,13 @@ namespace ams {
struct FatalErrorContext : sf::LargeData, sf::PrefersMapAliasTransferMode { struct FatalErrorContext : sf::LargeData, sf::PrefersMapAliasTransferMode {
static constexpr size_t MaxStackTrace = 0x20; static constexpr size_t MaxStackTrace = 0x20;
static constexpr size_t MaxStackDumpSize = 0x100; static constexpr size_t MaxStackDumpSize = 0x100;
static constexpr size_t ThreadLocalSize = 0x100;
static constexpr size_t NumGprs = 29; static constexpr size_t NumGprs = 29;
static constexpr uintptr_t StdAbortMagicAddress = 0x8; static constexpr uintptr_t StdAbortMagicAddress = 0x8;
static constexpr u64 StdAbortMagicValue = 0xA55AF00DDEADCAFEul; static constexpr u64 StdAbortMagicValue = 0xA55AF00DDEADCAFEul;
static constexpr u32 StdAbortErrorDesc = 0xFFE; static constexpr u32 StdAbortErrorDesc = 0xFFE;
static constexpr u32 DataAbortErrorDesc = 0x101; static constexpr u32 DataAbortErrorDesc = 0x101;
static constexpr u32 Magic = util::FourCC<'A', 'F', 'E', '1'>::Code; static constexpr u32 Magic = util::FourCC<'A', 'F', 'E', '2'>::Code;
u32 magic; u32 magic;
u32 error_desc; u32 error_desc;
@ -114,9 +115,10 @@ namespace ams {
u64 stack_dump_size; u64 stack_dump_size;
u64 stack_trace[MaxStackTrace]; u64 stack_trace[MaxStackTrace];
u8 stack_dump[MaxStackDumpSize]; u8 stack_dump[MaxStackDumpSize];
u8 tls[ThreadLocalSize];
}; };
static_assert(sizeof(FatalErrorContext) == 0x350, "sizeof(FatalErrorContext)"); static_assert(sizeof(FatalErrorContext) == 0x450, "sizeof(FatalErrorContext)");
static_assert(std::is_pod<FatalErrorContext>::value, "FatalErrorContext"); static_assert(std::is_pod<FatalErrorContext>::value, "FatalErrorContext");
#ifdef ATMOSPHERE_GIT_BRANCH #ifdef ATMOSPHERE_GIT_BRANCH

3
libraries/libstratosphere/source/ams/ams_environment.cpp
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@ -119,6 +119,9 @@ namespace ams {
ams_ctx.stack_dump_size = 0; ams_ctx.stack_dump_size = 0;
} }
} }
/* Grab 0x100 of tls. */
std::memcpy(ams_ctx.tls, armGetTls(), sizeof(ams_ctx.tls));
} }
/* Just call the user exception handler. */ /* Just call the user exception handler. */