mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
498 lines
15 KiB
498 lines
15 KiB
/* |
|
* PowerPC backend to the KGDB stub. |
|
* |
|
* 1998 (c) Michael AK Tesch ([email protected]) |
|
* Copyright (C) 2003 Timesys Corporation. |
|
* Copyright (C) 2004-2006 MontaVista Software, Inc. |
|
* PPC64 Mods (C) 2005 Frank Rowand ([email protected]) |
|
* PPC32 support restored by Vitaly Wool <[email protected]> and |
|
* Sergei Shtylyov <[email protected]> |
|
* Copyright (C) 2007-2008 Wind River Systems, Inc. |
|
* |
|
* This file is licensed under the terms of the GNU General Public License |
|
* version 2. This program as licensed "as is" without any warranty of any |
|
* kind, whether express or implied. |
|
*/ |
|
|
|
#include <linux/kernel.h> |
|
#include <linux/kgdb.h> |
|
#include <linux/smp.h> |
|
#include <linux/signal.h> |
|
#include <linux/ptrace.h> |
|
#include <linux/kdebug.h> |
|
#include <asm/current.h> |
|
#include <asm/processor.h> |
|
#include <asm/machdep.h> |
|
#include <asm/debug.h> |
|
#include <asm/code-patching.h> |
|
#include <linux/slab.h> |
|
#include <asm/inst.h> |
|
|
|
/* |
|
* This table contains the mapping between PowerPC hardware trap types, and |
|
* signals, which are primarily what GDB understands. GDB and the kernel |
|
* don't always agree on values, so we use constants taken from gdb-6.2. |
|
*/ |
|
static struct hard_trap_info |
|
{ |
|
unsigned int tt; /* Trap type code for powerpc */ |
|
unsigned char signo; /* Signal that we map this trap into */ |
|
} hard_trap_info[] = { |
|
{ 0x0100, 0x02 /* SIGINT */ }, /* system reset */ |
|
{ 0x0200, 0x0b /* SIGSEGV */ }, /* machine check */ |
|
{ 0x0300, 0x0b /* SIGSEGV */ }, /* data access */ |
|
{ 0x0400, 0x0b /* SIGSEGV */ }, /* instruction access */ |
|
{ 0x0500, 0x02 /* SIGINT */ }, /* external interrupt */ |
|
{ 0x0600, 0x0a /* SIGBUS */ }, /* alignment */ |
|
{ 0x0700, 0x05 /* SIGTRAP */ }, /* program check */ |
|
{ 0x0800, 0x08 /* SIGFPE */ }, /* fp unavailable */ |
|
{ 0x0900, 0x0e /* SIGALRM */ }, /* decrementer */ |
|
{ 0x0c00, 0x14 /* SIGCHLD */ }, /* system call */ |
|
#if defined(CONFIG_40x) || defined(CONFIG_BOOKE) |
|
{ 0x2002, 0x05 /* SIGTRAP */ }, /* debug */ |
|
#if defined(CONFIG_FSL_BOOKE) |
|
{ 0x2010, 0x08 /* SIGFPE */ }, /* spe unavailable */ |
|
{ 0x2020, 0x08 /* SIGFPE */ }, /* spe unavailable */ |
|
{ 0x2030, 0x08 /* SIGFPE */ }, /* spe fp data */ |
|
{ 0x2040, 0x08 /* SIGFPE */ }, /* spe fp data */ |
|
{ 0x2050, 0x08 /* SIGFPE */ }, /* spe fp round */ |
|
{ 0x2060, 0x0e /* SIGILL */ }, /* performance monitor */ |
|
{ 0x2900, 0x08 /* SIGFPE */ }, /* apu unavailable */ |
|
{ 0x3100, 0x0e /* SIGALRM */ }, /* fixed interval timer */ |
|
{ 0x3200, 0x02 /* SIGINT */ }, /* watchdog */ |
|
#else /* ! CONFIG_FSL_BOOKE */ |
|
{ 0x1000, 0x0e /* SIGALRM */ }, /* prog interval timer */ |
|
{ 0x1010, 0x0e /* SIGALRM */ }, /* fixed interval timer */ |
|
{ 0x1020, 0x02 /* SIGINT */ }, /* watchdog */ |
|
{ 0x2010, 0x08 /* SIGFPE */ }, /* fp unavailable */ |
|
{ 0x2020, 0x08 /* SIGFPE */ }, /* ap unavailable */ |
|
#endif |
|
#else /* ! (defined(CONFIG_40x) || defined(CONFIG_BOOKE)) */ |
|
{ 0x0d00, 0x05 /* SIGTRAP */ }, /* single-step */ |
|
#if defined(CONFIG_PPC_8xx) |
|
{ 0x1000, 0x04 /* SIGILL */ }, /* software emulation */ |
|
#else /* ! CONFIG_PPC_8xx */ |
|
{ 0x0f00, 0x04 /* SIGILL */ }, /* performance monitor */ |
|
{ 0x0f20, 0x08 /* SIGFPE */ }, /* altivec unavailable */ |
|
{ 0x1300, 0x05 /* SIGTRAP */ }, /* instruction address break */ |
|
#if defined(CONFIG_PPC64) |
|
{ 0x1200, 0x05 /* SIGILL */ }, /* system error */ |
|
{ 0x1500, 0x04 /* SIGILL */ }, /* soft patch */ |
|
{ 0x1600, 0x04 /* SIGILL */ }, /* maintenance */ |
|
{ 0x1700, 0x08 /* SIGFPE */ }, /* altivec assist */ |
|
{ 0x1800, 0x04 /* SIGILL */ }, /* thermal */ |
|
#else /* ! CONFIG_PPC64 */ |
|
{ 0x1400, 0x02 /* SIGINT */ }, /* SMI */ |
|
{ 0x1600, 0x08 /* SIGFPE */ }, /* altivec assist */ |
|
{ 0x1700, 0x04 /* SIGILL */ }, /* TAU */ |
|
{ 0x2000, 0x05 /* SIGTRAP */ }, /* run mode */ |
|
#endif |
|
#endif |
|
#endif |
|
{ 0x0000, 0x00 } /* Must be last */ |
|
}; |
|
|
|
static int computeSignal(unsigned int tt) |
|
{ |
|
struct hard_trap_info *ht; |
|
|
|
for (ht = hard_trap_info; ht->tt && ht->signo; ht++) |
|
if (ht->tt == tt) |
|
return ht->signo; |
|
|
|
return SIGHUP; /* default for things we don't know about */ |
|
} |
|
|
|
/** |
|
* |
|
* kgdb_skipexception - Bail out of KGDB when we've been triggered. |
|
* @exception: Exception vector number |
|
* @regs: Current &struct pt_regs. |
|
* |
|
* On some architectures we need to skip a breakpoint exception when |
|
* it occurs after a breakpoint has been removed. |
|
* |
|
*/ |
|
int kgdb_skipexception(int exception, struct pt_regs *regs) |
|
{ |
|
return kgdb_isremovedbreak(regs->nip); |
|
} |
|
|
|
static int kgdb_debugger_ipi(struct pt_regs *regs) |
|
{ |
|
kgdb_nmicallback(raw_smp_processor_id(), regs); |
|
return 0; |
|
} |
|
|
|
#ifdef CONFIG_SMP |
|
void kgdb_roundup_cpus(void) |
|
{ |
|
smp_send_debugger_break(); |
|
} |
|
#endif |
|
|
|
/* KGDB functions to use existing PowerPC64 hooks. */ |
|
static int kgdb_debugger(struct pt_regs *regs) |
|
{ |
|
return !kgdb_handle_exception(1, computeSignal(TRAP(regs)), |
|
DIE_OOPS, regs); |
|
} |
|
|
|
static int kgdb_handle_breakpoint(struct pt_regs *regs) |
|
{ |
|
if (user_mode(regs)) |
|
return 0; |
|
|
|
if (kgdb_handle_exception(1, SIGTRAP, 0, regs) != 0) |
|
return 0; |
|
|
|
if (*(u32 *)regs->nip == BREAK_INSTR) |
|
regs->nip += BREAK_INSTR_SIZE; |
|
|
|
return 1; |
|
} |
|
|
|
static int kgdb_singlestep(struct pt_regs *regs) |
|
{ |
|
if (user_mode(regs)) |
|
return 0; |
|
|
|
kgdb_handle_exception(0, SIGTRAP, 0, regs); |
|
|
|
return 1; |
|
} |
|
|
|
static int kgdb_iabr_match(struct pt_regs *regs) |
|
{ |
|
if (user_mode(regs)) |
|
return 0; |
|
|
|
if (kgdb_handle_exception(0, computeSignal(TRAP(regs)), 0, regs) != 0) |
|
return 0; |
|
return 1; |
|
} |
|
|
|
static int kgdb_break_match(struct pt_regs *regs) |
|
{ |
|
if (user_mode(regs)) |
|
return 0; |
|
|
|
if (kgdb_handle_exception(0, computeSignal(TRAP(regs)), 0, regs) != 0) |
|
return 0; |
|
return 1; |
|
} |
|
|
|
#define PACK64(ptr, src) do { *(ptr++) = (src); } while (0) |
|
|
|
#define PACK32(ptr, src) do { \ |
|
u32 *ptr32; \ |
|
ptr32 = (u32 *)ptr; \ |
|
*(ptr32++) = (src); \ |
|
ptr = (unsigned long *)ptr32; \ |
|
} while (0) |
|
|
|
void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p) |
|
{ |
|
struct pt_regs *regs = (struct pt_regs *)(p->thread.ksp + |
|
STACK_FRAME_OVERHEAD); |
|
unsigned long *ptr = gdb_regs; |
|
int reg; |
|
|
|
memset(gdb_regs, 0, NUMREGBYTES); |
|
|
|
/* Regs GPR0-2 */ |
|
for (reg = 0; reg < 3; reg++) |
|
PACK64(ptr, regs->gpr[reg]); |
|
|
|
/* Regs GPR3-13 are caller saved, not in regs->gpr[] */ |
|
ptr += 11; |
|
|
|
/* Regs GPR14-31 */ |
|
for (reg = 14; reg < 32; reg++) |
|
PACK64(ptr, regs->gpr[reg]); |
|
|
|
#ifdef CONFIG_FSL_BOOKE |
|
#ifdef CONFIG_SPE |
|
for (reg = 0; reg < 32; reg++) |
|
PACK64(ptr, p->thread.evr[reg]); |
|
#else |
|
ptr += 32; |
|
#endif |
|
#else |
|
/* fp registers not used by kernel, leave zero */ |
|
ptr += 32 * 8 / sizeof(long); |
|
#endif |
|
|
|
PACK64(ptr, regs->nip); |
|
PACK64(ptr, regs->msr); |
|
PACK32(ptr, regs->ccr); |
|
PACK64(ptr, regs->link); |
|
PACK64(ptr, regs->ctr); |
|
PACK32(ptr, regs->xer); |
|
|
|
BUG_ON((unsigned long)ptr > |
|
(unsigned long)(((void *)gdb_regs) + NUMREGBYTES)); |
|
} |
|
|
|
#define GDB_SIZEOF_REG sizeof(unsigned long) |
|
#define GDB_SIZEOF_REG_U32 sizeof(u32) |
|
|
|
#ifdef CONFIG_FSL_BOOKE |
|
#define GDB_SIZEOF_FLOAT_REG sizeof(unsigned long) |
|
#else |
|
#define GDB_SIZEOF_FLOAT_REG sizeof(u64) |
|
#endif |
|
|
|
struct dbg_reg_def_t dbg_reg_def[DBG_MAX_REG_NUM] = |
|
{ |
|
{ "r0", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[0]) }, |
|
{ "r1", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[1]) }, |
|
{ "r2", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[2]) }, |
|
{ "r3", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[3]) }, |
|
{ "r4", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[4]) }, |
|
{ "r5", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[5]) }, |
|
{ "r6", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[6]) }, |
|
{ "r7", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[7]) }, |
|
{ "r8", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[8]) }, |
|
{ "r9", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[9]) }, |
|
{ "r10", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[10]) }, |
|
{ "r11", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[11]) }, |
|
{ "r12", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[12]) }, |
|
{ "r13", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[13]) }, |
|
{ "r14", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[14]) }, |
|
{ "r15", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[15]) }, |
|
{ "r16", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[16]) }, |
|
{ "r17", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[17]) }, |
|
{ "r18", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[18]) }, |
|
{ "r19", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[19]) }, |
|
{ "r20", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[20]) }, |
|
{ "r21", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[21]) }, |
|
{ "r22", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[22]) }, |
|
{ "r23", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[23]) }, |
|
{ "r24", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[24]) }, |
|
{ "r25", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[25]) }, |
|
{ "r26", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[26]) }, |
|
{ "r27", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[27]) }, |
|
{ "r28", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[28]) }, |
|
{ "r29", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[29]) }, |
|
{ "r30", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[30]) }, |
|
{ "r31", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[31]) }, |
|
|
|
{ "f0", GDB_SIZEOF_FLOAT_REG, 0 }, |
|
{ "f1", GDB_SIZEOF_FLOAT_REG, 1 }, |
|
{ "f2", GDB_SIZEOF_FLOAT_REG, 2 }, |
|
{ "f3", GDB_SIZEOF_FLOAT_REG, 3 }, |
|
{ "f4", GDB_SIZEOF_FLOAT_REG, 4 }, |
|
{ "f5", GDB_SIZEOF_FLOAT_REG, 5 }, |
|
{ "f6", GDB_SIZEOF_FLOAT_REG, 6 }, |
|
{ "f7", GDB_SIZEOF_FLOAT_REG, 7 }, |
|
{ "f8", GDB_SIZEOF_FLOAT_REG, 8 }, |
|
{ "f9", GDB_SIZEOF_FLOAT_REG, 9 }, |
|
{ "f10", GDB_SIZEOF_FLOAT_REG, 10 }, |
|
{ "f11", GDB_SIZEOF_FLOAT_REG, 11 }, |
|
{ "f12", GDB_SIZEOF_FLOAT_REG, 12 }, |
|
{ "f13", GDB_SIZEOF_FLOAT_REG, 13 }, |
|
{ "f14", GDB_SIZEOF_FLOAT_REG, 14 }, |
|
{ "f15", GDB_SIZEOF_FLOAT_REG, 15 }, |
|
{ "f16", GDB_SIZEOF_FLOAT_REG, 16 }, |
|
{ "f17", GDB_SIZEOF_FLOAT_REG, 17 }, |
|
{ "f18", GDB_SIZEOF_FLOAT_REG, 18 }, |
|
{ "f19", GDB_SIZEOF_FLOAT_REG, 19 }, |
|
{ "f20", GDB_SIZEOF_FLOAT_REG, 20 }, |
|
{ "f21", GDB_SIZEOF_FLOAT_REG, 21 }, |
|
{ "f22", GDB_SIZEOF_FLOAT_REG, 22 }, |
|
{ "f23", GDB_SIZEOF_FLOAT_REG, 23 }, |
|
{ "f24", GDB_SIZEOF_FLOAT_REG, 24 }, |
|
{ "f25", GDB_SIZEOF_FLOAT_REG, 25 }, |
|
{ "f26", GDB_SIZEOF_FLOAT_REG, 26 }, |
|
{ "f27", GDB_SIZEOF_FLOAT_REG, 27 }, |
|
{ "f28", GDB_SIZEOF_FLOAT_REG, 28 }, |
|
{ "f29", GDB_SIZEOF_FLOAT_REG, 29 }, |
|
{ "f30", GDB_SIZEOF_FLOAT_REG, 30 }, |
|
{ "f31", GDB_SIZEOF_FLOAT_REG, 31 }, |
|
|
|
{ "pc", GDB_SIZEOF_REG, offsetof(struct pt_regs, nip) }, |
|
{ "msr", GDB_SIZEOF_REG, offsetof(struct pt_regs, msr) }, |
|
{ "cr", GDB_SIZEOF_REG_U32, offsetof(struct pt_regs, ccr) }, |
|
{ "lr", GDB_SIZEOF_REG, offsetof(struct pt_regs, link) }, |
|
{ "ctr", GDB_SIZEOF_REG_U32, offsetof(struct pt_regs, ctr) }, |
|
{ "xer", GDB_SIZEOF_REG, offsetof(struct pt_regs, xer) }, |
|
}; |
|
|
|
char *dbg_get_reg(int regno, void *mem, struct pt_regs *regs) |
|
{ |
|
if (regno >= DBG_MAX_REG_NUM || regno < 0) |
|
return NULL; |
|
|
|
if (regno < 32 || regno >= 64) |
|
/* First 0 -> 31 gpr registers*/ |
|
/* pc, msr, ls... registers 64 -> 69 */ |
|
memcpy(mem, (void *)regs + dbg_reg_def[regno].offset, |
|
dbg_reg_def[regno].size); |
|
|
|
if (regno >= 32 && regno < 64) { |
|
/* FP registers 32 -> 63 */ |
|
#if defined(CONFIG_FSL_BOOKE) && defined(CONFIG_SPE) |
|
if (current) |
|
memcpy(mem, ¤t->thread.evr[regno-32], |
|
dbg_reg_def[regno].size); |
|
#else |
|
/* fp registers not used by kernel, leave zero */ |
|
memset(mem, 0, dbg_reg_def[regno].size); |
|
#endif |
|
} |
|
|
|
return dbg_reg_def[regno].name; |
|
} |
|
|
|
int dbg_set_reg(int regno, void *mem, struct pt_regs *regs) |
|
{ |
|
if (regno >= DBG_MAX_REG_NUM || regno < 0) |
|
return -EINVAL; |
|
|
|
if (regno < 32 || regno >= 64) |
|
/* First 0 -> 31 gpr registers*/ |
|
/* pc, msr, ls... registers 64 -> 69 */ |
|
memcpy((void *)regs + dbg_reg_def[regno].offset, mem, |
|
dbg_reg_def[regno].size); |
|
|
|
if (regno >= 32 && regno < 64) { |
|
/* FP registers 32 -> 63 */ |
|
#if defined(CONFIG_FSL_BOOKE) && defined(CONFIG_SPE) |
|
memcpy(¤t->thread.evr[regno-32], mem, |
|
dbg_reg_def[regno].size); |
|
#else |
|
/* fp registers not used by kernel, leave zero */ |
|
return 0; |
|
#endif |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long pc) |
|
{ |
|
regs->nip = pc; |
|
} |
|
|
|
/* |
|
* This function does PowerPC specific procesing for interfacing to gdb. |
|
*/ |
|
int kgdb_arch_handle_exception(int vector, int signo, int err_code, |
|
char *remcom_in_buffer, char *remcom_out_buffer, |
|
struct pt_regs *linux_regs) |
|
{ |
|
char *ptr = &remcom_in_buffer[1]; |
|
unsigned long addr; |
|
|
|
switch (remcom_in_buffer[0]) { |
|
/* |
|
* sAA..AA Step one instruction from AA..AA |
|
* This will return an error to gdb .. |
|
*/ |
|
case 's': |
|
case 'c': |
|
/* handle the optional parameter */ |
|
if (kgdb_hex2long(&ptr, &addr)) |
|
linux_regs->nip = addr; |
|
|
|
atomic_set(&kgdb_cpu_doing_single_step, -1); |
|
/* set the trace bit if we're stepping */ |
|
if (remcom_in_buffer[0] == 's') { |
|
#ifdef CONFIG_PPC_ADV_DEBUG_REGS |
|
mtspr(SPRN_DBCR0, |
|
mfspr(SPRN_DBCR0) | DBCR0_IC | DBCR0_IDM); |
|
linux_regs->msr |= MSR_DE; |
|
#else |
|
linux_regs->msr |= MSR_SE; |
|
#endif |
|
atomic_set(&kgdb_cpu_doing_single_step, |
|
raw_smp_processor_id()); |
|
} |
|
return 0; |
|
} |
|
|
|
return -1; |
|
} |
|
|
|
int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt) |
|
{ |
|
int err; |
|
unsigned int instr; |
|
struct ppc_inst *addr = (struct ppc_inst *)bpt->bpt_addr; |
|
|
|
err = get_kernel_nofault(instr, (unsigned *) addr); |
|
if (err) |
|
return err; |
|
|
|
err = patch_instruction(addr, ppc_inst(BREAK_INSTR)); |
|
if (err) |
|
return -EFAULT; |
|
|
|
*(unsigned int *)bpt->saved_instr = instr; |
|
|
|
return 0; |
|
} |
|
|
|
int kgdb_arch_remove_breakpoint(struct kgdb_bkpt *bpt) |
|
{ |
|
int err; |
|
unsigned int instr = *(unsigned int *)bpt->saved_instr; |
|
struct ppc_inst *addr = (struct ppc_inst *)bpt->bpt_addr; |
|
|
|
err = patch_instruction(addr, ppc_inst(instr)); |
|
if (err) |
|
return -EFAULT; |
|
|
|
return 0; |
|
} |
|
|
|
/* |
|
* Global data |
|
*/ |
|
const struct kgdb_arch arch_kgdb_ops; |
|
|
|
static int kgdb_not_implemented(struct pt_regs *regs) |
|
{ |
|
return 0; |
|
} |
|
|
|
static void *old__debugger_ipi; |
|
static void *old__debugger; |
|
static void *old__debugger_bpt; |
|
static void *old__debugger_sstep; |
|
static void *old__debugger_iabr_match; |
|
static void *old__debugger_break_match; |
|
static void *old__debugger_fault_handler; |
|
|
|
int kgdb_arch_init(void) |
|
{ |
|
old__debugger_ipi = __debugger_ipi; |
|
old__debugger = __debugger; |
|
old__debugger_bpt = __debugger_bpt; |
|
old__debugger_sstep = __debugger_sstep; |
|
old__debugger_iabr_match = __debugger_iabr_match; |
|
old__debugger_break_match = __debugger_break_match; |
|
old__debugger_fault_handler = __debugger_fault_handler; |
|
|
|
__debugger_ipi = kgdb_debugger_ipi; |
|
__debugger = kgdb_debugger; |
|
__debugger_bpt = kgdb_handle_breakpoint; |
|
__debugger_sstep = kgdb_singlestep; |
|
__debugger_iabr_match = kgdb_iabr_match; |
|
__debugger_break_match = kgdb_break_match; |
|
__debugger_fault_handler = kgdb_not_implemented; |
|
|
|
return 0; |
|
} |
|
|
|
void kgdb_arch_exit(void) |
|
{ |
|
__debugger_ipi = old__debugger_ipi; |
|
__debugger = old__debugger; |
|
__debugger_bpt = old__debugger_bpt; |
|
__debugger_sstep = old__debugger_sstep; |
|
__debugger_iabr_match = old__debugger_iabr_match; |
|
__debugger_break_match = old__debugger_break_match; |
|
__debugger_fault_handler = old__debugger_fault_handler; |
|
}
|
|
|