arm_osabi.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <ctype.h>
#include <unistd.h>
#include <limits.h>
#include "dbg_msg.h"
#include "jt_arm.h"
#include "jt_mmu.h"
#include "arm_gdbstub.h"
#include "arm_sfa_cmdseq.h"
#include "arm_gdbstub_break.h"

Data Structures

• struct saved_reg_sets
• struct activ_threads
• struct tlsAddresses
• struct threadInfo
• struct osabi_state

Defines

• #define THREAD_EXTRAINFO_STR_BUFF_LEN   20

Functions

• static int armOsabiMultiThreading (struct reg_set *raw_regs)
• static int armOsabiGetMinimalThreadId (void)
• static int armOsabiGetCurrentTid (struct reg_set *raw_regs)
• static int armOsabiGetSavedRegSet (struct reg_set *raw_regs, int tid, struct reg_set *store_reg_set)
• static int armOsabiThreadAlive (struct reg_set *raw_regs, int tid, int *alive)
• static int armOsabiGetTLSAddr (struct reg_set *raw_regs, int tid, unsigned offset)
• static int armOsabiThreadInfo (struct reg_set *raw_regs, int iteratorCnt, unsigned *offset, unsigned event[], struct threadInfo *threadInfo)
• static char * armOsabiAllocTargetStringBuffer (uint32_t targetAddr)
• static void armOsabiFetchThreadInfo (struct reg_set *raw_regs)
• void gdb_osabi_thread_id_setup (struct reg_set *raw_regs)
• struct reg_set * gdb_osabi_get_saved_register_set (struct reg_set *raw_regs, int tid)
• int gdb_osabi_thead_alive (struct reg_set *raw_regs, int tid)
• unsigned gdb_osabi_getTLSAddr (struct reg_set *raw_regs, int tid, unsigned offset)
• int gdb_osabi_threadExtraInfo (struct reg_set *raw_regs, int tid, char **name, char **state, char **prio)
• int gdb_osabi_threadList (struct reg_set *raw_regs, int start, int *tid)

Variables

• static struct osabi_state osabi_state
• static struct reg_set
  default_reg_set local_reg_set

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Detailed Description

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Define Documentation

#define THREAD_EXTRAINFO_STR_BUFF_LEN   20

Referenced by gdb_osabi_threadExtraInfo().

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Function Documentation

static int armOsabiMultiThreading

(

struct reg_set *

raw_regs

)

[static]

References symbolTableEntry::addr, AllocCmdDataStore(), cmdCallStack::arg, doCmdSequence(), error_exit_code, symbolTableHead::firstEntry, gdbLookupArmInstr(), jtag_arm_mmu_check_high_vectors(), reg_set::Regs::name, symbolTableEntry::nextSymbol, reg_set::Regs::Name::pc, reg_set::regs, ReleaseAllCmdDataStores(), cmdCallStack::retVal, reg_set::Regs::Name::sp, cmdCallStack::store, SYM_MULTI_THREAD_ACTIVE, symbolTable, symbolTableEntry::usage, and symbolTableEntry::valid.

Referenced by gdb_osabi_thread_id_setup().

static int armOsabiGetMinimalThreadId

(

void

)

[static]

References symbolTableEntry::addr, AllocCmdDataStore(), cmdCallStack::arg, doCmdSequence(), symbolTableHead::firstEntry, symbolTableEntry::nextSymbol, ReleaseAllCmdDataStores(), cmdCallStack::retVal, cmdCallStack::store, SYM_MINIMAL_THREAD_ID, symbolTable, symbolTableEntry::usage, and symbolTableEntry::valid.

Referenced by gdb_osabi_thread_id_setup().

static int armOsabiGetCurrentTid

(

struct reg_set *

raw_regs

)

[static]

References symbolTableEntry::addr, AllocCmdDataStore(), cmdCallStack::arg, doCmdSequence(), symbolTableHead::firstEntry, reg_set::Regs::name, symbolTableEntry::nextSymbol, reg_set::Regs::Name::pc, reg_set::regs, ReleaseAllCmdDataStores(), cmdCallStack::retVal, reg_set::Regs::Name::sp, cmdCallStack::store, SYM_GET_CURRENT_THREAD_ID, symbolTable, symbolTableEntry::usage, and symbolTableEntry::valid.

Referenced by gdb_osabi_thread_id_setup().

static int armOsabiGetSavedRegSet	(	struct reg_set *	raw_regs,
		int	tid,
		struct reg_set *	store_reg_set
	)			[static]

References symbolTableEntry::addr, AllocCmdDataStore(), cmdCallStack::arg, reg_set::CPSR, CPU_CPSR_FLAG_FAKE_CORTEX_M3, CPU_CPSR_FLAG_IRQ_DISABEL, CPU_CPSR_FLAG_THUMB, CPU_CPSR_MODE_ABORT, CPU_CPSR_MODE_FIQ, CPU_CPSR_MODE_IRQ, CPU_CPSR_MODE_IRQ_26, CPU_CPSR_MODE_SVC, CPU_CPSR_MODE_SVC_26, CPU_CPSR_MODE_USER, doCmdSequence(), error_exit_code, reg_set::ext, symbolTableHead::firstEntry, reg_set::Regs::name, symbolTableEntry::nextSymbol, reg_set::Regs::Name::pc, reg_set::Regs::r, reg_set::regs, ReleaseAllCmdDataStores(), cmdCallStack::retVal, reg_set::Regs::Name::sp, cmdCallStack::store, SYM_GET_SAVED_REGSET, symbolTable, symbolTableEntry::usage, reg_set::RegExt::v7m, symbolTableEntry::valid, and reg_set::RegExt::RegV7mExt::xPSR.

Referenced by gdb_osabi_get_saved_register_set().

static int armOsabiThreadAlive	(	struct reg_set *	raw_regs,
		int	tid,
		int *	alive
	)			[static]

References symbolTableEntry::addr, AllocCmdDataStore(), cmdCallStack::arg, doCmdSequence(), symbolTableHead::firstEntry, reg_set::Regs::name, symbolTableEntry::nextSymbol, reg_set::Regs::Name::pc, reg_set::regs, ReleaseAllCmdDataStores(), cmdCallStack::retVal, reg_set::Regs::Name::sp, cmdCallStack::store, SYM_IS_TID_ALIVE, symbolTable, symbolTableEntry::usage, and symbolTableEntry::valid.

Referenced by gdb_osabi_thead_alive().

static int armOsabiGetTLSAddr	(	struct reg_set *	raw_regs,
		int	tid,
		unsigned	offset
	)			[static]

References symbolTableEntry::addr, AllocCmdDataStore(), cmdCallStack::arg, doCmdSequence(), symbolTableHead::firstEntry, reg_set::Regs::name, symbolTableEntry::nextSymbol, reg_set::Regs::Name::pc, reg_set::regs, ReleaseAllCmdDataStores(), cmdCallStack::retVal, reg_set::Regs::Name::sp, cmdCallStack::store, SYM_GET_TLS_ADDR, symbolTable, symbolTableEntry::usage, and symbolTableEntry::valid.

Referenced by gdb_osabi_getTLSAddr().

static int armOsabiThreadInfo	(	struct reg_set *	raw_regs,
		int	iteratorCnt,
		unsigned *	offset,
		unsigned	event[],
		struct threadInfo *	threadInfo
	)			[static]

References symbolTableEntry::addr, AllocCmdDataStore(), cmdCallStack::arg, doCmdSequence(), symbolTableHead::firstEntry, reg_set::Regs::name, threadInfo::nameAddr, symbolTableEntry::nextSymbol, reg_set::Regs::Name::pc, threadInfo::prio, threadInfo::real_tid, reg_set::regs, ReleaseAllCmdDataStores(), cmdCallStack::retVal, threadInfo::simpleState, reg_set::Regs::Name::sp, threadInfo::sprioAddr, threadInfo::stateAddr, cmdCallStack::store, SYM_GET_THREAD_INFO, symbolTable, symbolTableEntry::usage, and symbolTableEntry::valid.

Referenced by armOsabiFetchThreadInfo().

static char* armOsabiAllocTargetStringBuffer

(

uint32_t

targetAddr

)

[static]

References gdb_read_mem().

Referenced by armOsabiFetchThreadInfo().

static void armOsabiFetchThreadInfo

(

struct reg_set *

raw_regs

)

[static]

References armOsabiAllocTargetStringBuffer(), armOsabiThreadInfo(), threadInfo::name, threadInfo::nameAddr, threadInfo::nextThreadInfo, threadInfo::real_tid, threadInfo::simpleState, threadInfo::sprio, threadInfo::sprioAddr, threadInfo::state, and threadInfo::stateAddr.

Referenced by gdb_osabi_thead_alive(), gdb_osabi_threadExtraInfo(), and gdb_osabi_threadList().

void gdb_osabi_thread_id_setup

(

struct reg_set *

raw_regs

)

References armOsabiGetCurrentTid(), armOsabiGetMinimalThreadId(), armOsabiMultiThreading(), error_exit_code, threadInfo::name, activ_threads::nextActiveThread, saved_reg_sets::nextSet, threadInfo::nextThreadInfo, tlsAddresses::nextTlsAddr, threadInfo::sprio, and threadInfo::state.

Referenced by gdb_handle_exception().

struct reg_set* gdb_osabi_get_saved_register_set	(	struct reg_set *	raw_regs,
		int	tid
	)			[read]

References armOsabiGetSavedRegSet(), local_reg_set, saved_reg_sets::nextSet, saved_reg_sets::regSet, and saved_reg_sets::tid.

Referenced by gdb_handle_exception().

int gdb_osabi_thead_alive	(	struct reg_set *	raw_regs,
		int	tid
	)

References armOsabiFetchThreadInfo(), armOsabiThreadAlive(), activ_threads::nextActiveThread, threadInfo::nextThreadInfo, threadInfo::real_tid, threadInfo::simpleState, and activ_threads::tid.

Referenced by gdb_handle_exception().

unsigned gdb_osabi_getTLSAddr	(	struct reg_set *	raw_regs,
		int	tid,
		unsigned	offset
	)

References tlsAddresses::addr, armOsabiGetTLSAddr(), tlsAddresses::nextTlsAddr, tlsAddresses::offset, and tlsAddresses::tid.

Referenced by gdb_query_getTLSAddr().

int gdb_osabi_threadExtraInfo	(	struct reg_set *	raw_regs,
		int	tid,
		char **	name,
		char **	state,
		char **	prio
	)

References armOsabiFetchThreadInfo(), threadInfo::name, threadInfo::nextThreadInfo, threadInfo::prio, threadInfo::real_tid, threadInfo::simpleState, threadInfo::sprio, threadInfo::state, and THREAD_EXTRAINFO_STR_BUFF_LEN.

Referenced by gdb_query_threadExtraInfo().

int gdb_osabi_threadList	(	struct reg_set *	raw_regs,
		int	start,
		int *	tid
	)

References armOsabiFetchThreadInfo(), threadInfo::nextThreadInfo, threadInfo::real_tid, and threadInfo::simpleState.

Referenced by gdb_query_threadInfo().

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Variable Documentation

struct osabi_state osabi_state [static]

struct reg_set default_reg_set local_reg_set [static]

Referenced by gdb_osabi_get_saved_register_set().