lib/runtime/crt_exceptions.c File Reference

#include "comma/runtime/commart.h"
#include <assert.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>

Go to the source code of this file.

Classes
struct	_Unwind_Exception
struct	LSDA_Header
struct	Call_Site
struct	Action_Record
struct	comma_exception
Defines
#define	__STDC_FORMAT_MACROS
Typedefs
typedef void(*	_Unwind_Exception_Cleanup_Fn )(_Unwind_Reason_Code reason, struct _Unwind_Exception *exc)
typedef int	_Unwind_Action
Enumerations
enum	_Unwind_Reason_Code { _URC_NO_REASON = 0, _URC_FOREIGN_EXCEPTION_CAUGHT = 1, _URC_FATAL_PHASE2_ERROR = 2, _URC_FATAL_PHASE1_ERROR = 3, _URC_NORMAL_STOP = 4, _URC_END_OF_STACK = 5, _URC_HANDLER_FOUND = 6, _URC_INSTALL_CONTEXT = 7, _URC_CONTINUE_UNWIND = 8 }
enum	Dwarf_Encoding { DW_EH_PE_omit = 0xFF, DW_EH_PE_uleb128 = 0x01, DW_EH_PE_udata2 = 0x02, DW_EH_PE_udata4 = 0x03, DW_EH_PE_udata8 = 0x04, DW_EH_PE_sleb128 = 0x09, DW_EH_PE_sdata2 = 0x0A, DW_EH_PE_sdata4 = 0x0B, DW_EH_PE_sdata8 = 0x0C }
enum	Dwarf_Application { DW_EH_PE_absptr = 0x00, DW_EH_PE_pcrel = 0x10, DW_EH_PE_datarel = 0x30 }
enum	comma_exception_flag { COMMA_DYN_MESSAGE = 1 << 0 }
Functions
_Unwind_Reason_Code	_Unwind_RaiseException (struct _Unwind_Exception *exception_object)
void	_Unwind_Resume (struct _Unwind_Exception *exception_object)
uintptr_t	_Unwind_GetLanguageSpecificData (struct _Unwind_Context *context)
uintptr_t	_Unwind_GetRegionStart (struct _Unwind_Context *context)
uintptr_t	_Unwind_GetIP (struct _Unwind_Context *context)
void	_Unwind_SetGR (struct _Unwind_Context *context, int reg, uintptr_t value)
void	_Unwind_SetIP (struct _Unwind_Context *context, uintptr_t IP)
static unsigned char *	parse_uleb128 (unsigned char start, uint64_t value)
static unsigned char *	parse_sleb128 (unsigned char start, int64_t value)
static unsigned char *	parse_dwarf_value (Dwarf_Encoding ID, unsigned char start, uint64_t value)
static void	fatal_error (const char *message)
struct comma_exception *	to_comma_exception (struct _Unwind_Exception *header)
struct _Unwind_Exception *	to_Unwind_Exception (struct comma_exception *exception)
static int	parse_LSDA (struct _Unwind_Context context, struct LSDA_Header lsda)
static void	dump_LSDA (struct LSDA_Header *lsda)
static unsigned char *	parse_Call_Site (struct LSDA_Header lsda, unsigned char ptr, struct Call_Site *dst)
static void	dump_Call_Site (struct Call_Site *site)
static unsigned char *	parse_Action_Record (unsigned char ptr, struct Action_Record dst)
static int	find_applicable_call_site (struct LSDA_Header lsda, struct _Unwind_Context context, struct Call_Site *dst)
static int	match_exception (struct LSDA_Header lsda, struct _Unwind_Exception exceptionObject, uint64_t action_index, uint64_t *dst)
static void	install_handler (struct _Unwind_Context context, struct _Unwind_Exception exceptionObject, int64_t landing_pad, uintptr_t id)
static void	_comma_cleanup_exception (_Unwind_Reason_Code reason, struct _Unwind_Exception *exc)
void	_comma_raise_exception (comma_exinfo_t info, const char file_name, uint32_t line_number, const char message)
void	_comma_raise_nexception (comma_exinfo_t info, const char file_name, uint32_t line_number, const char message, uint32_t length)
void	_comma_reraise_exception (struct comma_exception *exception)
void	_comma_raise_system (uint32_t id, const char file_name, uint32_t line_number, const char message)
_Unwind_Reason_Code	_comma_eh_personality (int version, _Unwind_Action actions, uint64_t exceptionClass, struct _Unwind_Exception exceptionObject, struct _Unwind_Context context)
void	_comma_unhandled_exception (struct comma_exception *exception)
comma_exinfo_t	_comma_get_exception (comma_exception_id id)
Variables
static const _Unwind_Action	_UA_SEARCH_PHASE = 1
static const _Unwind_Action	_UA_CLEANUP_PHASE = 2
static const _Unwind_Action	_UA_HANDLER_FRAME = 4
static const _Unwind_Action	_UA_FORCE_UNWIND = 8
static const uint64_t	Comma_Exception_Class_ID = 0x534D570434D410Ull
char *	_comma_exinfo_program_error = "PROGRAM_ERROR"
char *	_comma_exinfo_constraint_error = "CONSTRAINT_ERROR"
char *	_comma_exinfo_assertion_error = "ASSERTION_ERROR"

Define Documentation

#define __STDC_FORMAT_MACROS

Definition at line 20 of file crt_exceptions.c.

Typedef Documentation

typedef int _Unwind_Action

Definition at line 106 of file crt_exceptions.c.

typedef void(* _Unwind_Exception_Cleanup_Fn)(_Unwind_Reason_Code reason, struct _Unwind_Exception *exc)

Definition at line 49 of file crt_exceptions.c.

Enumeration Type Documentation

enum _Unwind_Reason_Code

Enumerator:

_URC_NO_REASON
_URC_FOREIGN_EXCEPTION_CAUGHT
_URC_FATAL_PHASE2_ERROR
_URC_FATAL_PHASE1_ERROR
_URC_NORMAL_STOP
_URC_END_OF_STACK
_URC_HANDLER_FOUND
_URC_INSTALL_CONTEXT
_URC_CONTINUE_UNWIND

Definition at line 33 of file crt_exceptions.c.

enum comma_exception_flag

Enumerator:

COMMA_DYN_MESSAGE

Definition at line 512 of file crt_exceptions.c.

enum Dwarf_Application

Enumerator:

DW_EH_PE_absptr
DW_EH_PE_pcrel
DW_EH_PE_datarel

Definition at line 139 of file crt_exceptions.c.

enum Dwarf_Encoding

Enumerator:

DW_EH_PE_omit
DW_EH_PE_uleb128
DW_EH_PE_udata2
DW_EH_PE_udata4
DW_EH_PE_udata8
DW_EH_PE_sleb128
DW_EH_PE_sdata2
DW_EH_PE_sdata4
DW_EH_PE_sdata8

Definition at line 127 of file crt_exceptions.c.

Function Documentation

static void _comma_cleanup_exception	(	_Unwind_Reason_Code	reason,
		struct _Unwind_Exception *	exc
	)			`[static]`

Definition at line 912 of file crt_exceptions.c.

_Unwind_Reason_Code _comma_eh_personality	(	int	version,
		_Unwind_Action	actions,
		uint64_t	exceptionClass,
		struct _Unwind_Exception *	exceptionObject,
		struct _Unwind_Context *	context
	)

Definition at line 1026 of file crt_exceptions.c.

comma_exinfo_t _comma_get_exception ( comma_exception_id id )

Definition at line 1151 of file crt_exceptions.c.

void _comma_raise_exception	(	comma_exinfo_t	info,
		const char *	file_name,
		uint32_t	line_number,
		const char *	message
	)

Definition at line 925 of file crt_exceptions.c.

void _comma_raise_nexception	(	comma_exinfo_t	info,
		const char *	file_name,
		uint32_t	line_number,
		const char *	message,
		uint32_t	length
	)

Definition at line 961 of file crt_exceptions.c.

void _comma_raise_system	(	uint32_t	id,
		const char *	file_name,
		uint32_t	line_number,
		const char *	message
	)

Definition at line 1014 of file crt_exceptions.c.

void _comma_reraise_exception ( struct comma_exception * exception )

Definition at line 1005 of file crt_exceptions.c.

void _comma_unhandled_exception ( struct comma_exception * exception )

Definition at line 1124 of file crt_exceptions.c.

uintptr_t _Unwind_GetIP ( struct _Unwind_Context * context )

uintptr_t _Unwind_GetLanguageSpecificData ( struct _Unwind_Context * context )

uintptr_t _Unwind_GetRegionStart ( struct _Unwind_Context * context )

_Unwind_Reason_Code _Unwind_RaiseException ( struct _Unwind_Exception * exception_object )

void _Unwind_Resume ( struct _Unwind_Exception * exception_object )

void _Unwind_SetGR	(	struct _Unwind_Context *	context,
		int	reg,
		uintptr_t	value
	)

void _Unwind_SetIP	(	struct _Unwind_Context *	context,
		uintptr_t	IP
	)

static void dump_Call_Site ( struct Call_Site * site ) [static]

Definition at line 686 of file crt_exceptions.c.

static void dump_LSDA ( struct LSDA_Header * lsda ) [static]

Definition at line 625 of file crt_exceptions.c.

static void fatal_error ( const char * message ) [static]

Definition at line 501 of file crt_exceptions.c.

static int find_applicable_call_site	(	struct LSDA_Header *	lsda,
		struct _Unwind_Context *	context,
		struct Call_Site *	dst
	)			`[static]`

Definition at line 736 of file crt_exceptions.c.

static void install_handler	(	struct _Unwind_Context *	context,
		struct _Unwind_Exception *	exceptionObject,
		int64_t	landing_pad,
		uintptr_t	id
	)			`[static]`

Definition at line 874 of file crt_exceptions.c.

static int match_exception	(	struct LSDA_Header *	lsda,
		struct _Unwind_Exception *	exceptionObject,
		uint64_t	action_index,
		uint64_t *	dst
	)			`[static]`

Definition at line 794 of file crt_exceptions.c.

static unsigned char* parse_Action_Record	(	unsigned char *	ptr,
		struct Action_Record *	dst
	)			`[static]`

Definition at line 702 of file crt_exceptions.c.

static unsigned char* parse_Call_Site	(	struct LSDA_Header *	lsda,
		unsigned char *	ptr,
		struct Call_Site *	dst
	)			`[static]`

Definition at line 654 of file crt_exceptions.c.

static unsigned char* parse_dwarf_value	(	Dwarf_Encoding	ID,
		unsigned char *	start,
		uint64_t *	value
	)			`[static]`

Definition at line 227 of file crt_exceptions.c.

static int parse_LSDA	(	struct _Unwind_Context *	context,
		struct LSDA_Header *	lsda
	)			`[static]`

Definition at line 553 of file crt_exceptions.c.

static unsigned char* parse_sleb128	(	unsigned char *	start,
		int64_t *	value
	)			`[static]`

Definition at line 183 of file crt_exceptions.c.

static unsigned char* parse_uleb128	(	unsigned char *	start,
		uint64_t *	value
	)			`[static]`

Definition at line 159 of file crt_exceptions.c.

struct comma_exception* to_comma_exception ( struct _Unwind_Exception * header ) [read]

Definition at line 536 of file crt_exceptions.c.

struct _Unwind_Exception* to_Unwind_Exception ( struct comma_exception * exception ) [read]

Definition at line 544 of file crt_exceptions.c.

Variable Documentation

char* _comma_exinfo_assertion_error = "ASSERTION_ERROR"

Definition at line 1146 of file crt_exceptions.c.

char* _comma_exinfo_constraint_error = "CONSTRAINT_ERROR"

Definition at line 1145 of file crt_exceptions.c.

char* _comma_exinfo_program_error = "PROGRAM_ERROR"

Definition at line 1144 of file crt_exceptions.c.

const _Unwind_Action _UA_CLEANUP_PHASE = 2 [static]

Definition at line 108 of file crt_exceptions.c.

const _Unwind_Action _UA_FORCE_UNWIND = 8 [static]

Definition at line 110 of file crt_exceptions.c.

const _Unwind_Action _UA_HANDLER_FRAME = 4 [static]

Definition at line 109 of file crt_exceptions.c.

const _Unwind_Action _UA_SEARCH_PHASE = 1 [static]

Definition at line 107 of file crt_exceptions.c.

const uint64_t Comma_Exception_Class_ID = 0x534D570434D410Ull [static]

Definition at line 907 of file crt_exceptions.c.

lib/runtime/crt_exceptions.c File Reference

Classes

Defines

Typedefs

Enumerations

Functions

Variables

Define Documentation

Typedef Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation