diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index 2efec6d87049..a4ae67aa9b76 100644 --- a/arch/powerpc/include/asm/ptrace.h +++ b/arch/powerpc/include/asm/ptrace.h @@ -124,6 +124,7 @@ struct pt_regs #define STACK_FRAME_LR_SAVE 2 /* Location of LR in stack frame */ #define STACK_INT_FRAME_SIZE (sizeof(struct pt_regs) + \ STACK_FRAME_OVERHEAD + KERNEL_REDZONE_SIZE) +#define STACK_INT_FRAME_REGS STACK_FRAME_OVERHEAD #define STACK_FRAME_MARKER 12 #ifdef CONFIG_PPC64_ELF_ABI_V2 @@ -143,6 +144,7 @@ struct pt_regs #define STACK_FRAME_OVERHEAD 16 /* size of minimum stack frame */ #define STACK_FRAME_LR_SAVE 1 /* Location of LR in stack frame */ #define STACK_INT_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_OVERHEAD) +#define STACK_INT_FRAME_REGS STACK_FRAME_OVERHEAD #define STACK_FRAME_MARKER 2 #define STACK_FRAME_MIN_SIZE STACK_FRAME_OVERHEAD diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index b4b661f631f5..68905c9f7c21 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -72,7 +72,7 @@ #endif #define STACK_PT_REGS_OFFSET(sym, val) \ - DEFINE(sym, STACK_FRAME_OVERHEAD + offsetof(struct pt_regs, val)) + DEFINE(sym, STACK_INT_FRAME_REGS + offsetof(struct pt_regs, val)) int main(void) { @@ -167,9 +167,8 @@ int main(void) OFFSET(THREAD_CKVRSTATE, thread_struct, ckvr_state.vr); OFFSET(THREAD_CKVRSAVE, thread_struct, ckvrsave); OFFSET(THREAD_CKFPSTATE, thread_struct, ckfp_state.fpr); - /* Local pt_regs on stack for Transactional Memory funcs. */ - DEFINE(TM_FRAME_SIZE, STACK_FRAME_OVERHEAD + - sizeof(struct pt_regs) + 16); + /* Local pt_regs on stack in int frame form, plus 16 bytes for TM */ + DEFINE(TM_FRAME_SIZE, STACK_INT_FRAME_SIZE + 16); #endif /* CONFIG_PPC_TRANSACTIONAL_MEM */ OFFSET(TI_LOCAL_FLAGS, thread_info, local_flags); diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index 3fc7c9886bb7..24c8d84a56c9 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -123,12 +123,12 @@ transfer_to_syscall: kuep_lock /* Calling convention has r3 = regs, r4 = orig r0 */ - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS mr r4,r0 bl system_call_exception ret_from_syscall: - addi r4,r1,STACK_FRAME_OVERHEAD + addi r4,r1,STACK_INT_FRAME_REGS li r5,0 bl syscall_exit_prepare #ifdef CONFIG_PPC_47x @@ -293,7 +293,7 @@ _ASM_NOKPROBE_SYMBOL(fast_exception_return) .globl interrupt_return interrupt_return: lwz r4,_MSR(r1) - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS andi. r0,r4,MSR_PR beq .Lkernel_interrupt_return bl interrupt_exit_user_prepare diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S index 2f68fb2ee4fc..62033d022e0a 100644 --- a/arch/powerpc/kernel/exceptions-64e.S +++ b/arch/powerpc/kernel/exceptions-64e.S @@ -455,7 +455,7 @@ exc_##n##_bad_stack: \ EXCEPTION_COMMON(trapnum) \ ack(r8); \ CHECK_NAPPING(); \ - addi r3,r1,STACK_FRAME_OVERHEAD; \ + addi r3,r1,STACK_INT_FRAME_REGS; \ bl hdlr; \ b interrupt_return @@ -504,7 +504,7 @@ __end_interrupts: EXCEPTION_COMMON_CRIT(0x100) bl special_reg_save CHECK_NAPPING(); - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl unknown_nmi_exception b ret_from_crit_except @@ -515,7 +515,7 @@ __end_interrupts: EXCEPTION_COMMON_MC(0x000) bl special_reg_save CHECK_NAPPING(); - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl machine_check_exception b ret_from_mc_except @@ -570,7 +570,7 @@ __end_interrupts: std r14,_ESR(r1) ld r14,PACA_EXGEN+EX_R14(r13) EXCEPTION_COMMON(0x700) - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl program_check_exception REST_NVGPRS(r1) b interrupt_return @@ -586,7 +586,7 @@ __end_interrupts: beq- 1f bl load_up_fpu b fast_interrupt_return -1: addi r3,r1,STACK_FRAME_OVERHEAD +1: addi r3,r1,STACK_INT_FRAME_REGS bl kernel_fp_unavailable_exception b interrupt_return @@ -606,7 +606,7 @@ BEGIN_FTR_SECTION 1: END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) #endif - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl altivec_unavailable_exception b interrupt_return @@ -616,7 +616,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) BOOKE_INTERRUPT_ALTIVEC_ASSIST, PROLOG_ADDITION_NONE) EXCEPTION_COMMON(0x220) - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS #ifdef CONFIG_ALTIVEC BEGIN_FTR_SECTION bl altivec_assist_exception @@ -643,7 +643,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) EXCEPTION_COMMON_CRIT(0x9f0) bl special_reg_save CHECK_NAPPING(); - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS #ifdef CONFIG_BOOKE_WDT bl WatchdogException #else @@ -664,7 +664,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) NORMAL_EXCEPTION_PROLOG(0xf20, BOOKE_INTERRUPT_AP_UNAVAIL, PROLOG_ADDITION_NONE) EXCEPTION_COMMON(0xf20) - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl unknown_exception b interrupt_return @@ -731,7 +731,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) ld r14,PACA_EXCRIT+EX_R14(r13) ld r15,PACA_EXCRIT+EX_R15(r13) EXCEPTION_COMMON_CRIT(0xd00) - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl DebugException REST_NVGPRS(r1) b interrupt_return @@ -802,7 +802,7 @@ kernel_dbg_exc: ld r14,PACA_EXDBG+EX_R14(r13) ld r15,PACA_EXDBG+EX_R15(r13) EXCEPTION_COMMON_DBG(0xd08) - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl DebugException REST_NVGPRS(r1) b interrupt_return @@ -812,7 +812,7 @@ kernel_dbg_exc: PROLOG_ADDITION_NONE) EXCEPTION_COMMON(0x260) CHECK_NAPPING() - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS /* * XXX: Returning from performance_monitor_exception taken as a * soft-NMI (Linux irqs disabled) may be risky to use interrupt_return @@ -834,7 +834,7 @@ kernel_dbg_exc: EXCEPTION_COMMON_CRIT(0x2a0) bl special_reg_save CHECK_NAPPING(); - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl unknown_nmi_exception b ret_from_crit_except @@ -846,7 +846,7 @@ kernel_dbg_exc: GDBELL_EXCEPTION_PROLOG(0x2c0, BOOKE_INTERRUPT_GUEST_DBELL, PROLOG_ADDITION_NONE) EXCEPTION_COMMON(0x2c0) - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl unknown_exception b interrupt_return @@ -857,7 +857,7 @@ kernel_dbg_exc: EXCEPTION_COMMON_CRIT(0x2e0) bl special_reg_save CHECK_NAPPING(); - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl unknown_nmi_exception b ret_from_crit_except @@ -866,7 +866,7 @@ kernel_dbg_exc: NORMAL_EXCEPTION_PROLOG(0x310, BOOKE_INTERRUPT_HV_SYSCALL, PROLOG_ADDITION_NONE) EXCEPTION_COMMON(0x310) - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl unknown_exception b interrupt_return @@ -875,7 +875,7 @@ kernel_dbg_exc: NORMAL_EXCEPTION_PROLOG(0x320, BOOKE_INTERRUPT_HV_PRIV, PROLOG_ADDITION_NONE) EXCEPTION_COMMON(0x320) - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl unknown_exception b interrupt_return @@ -884,7 +884,7 @@ kernel_dbg_exc: NORMAL_EXCEPTION_PROLOG(0x340, BOOKE_INTERRUPT_LRAT_ERROR, PROLOG_ADDITION_NONE) EXCEPTION_COMMON(0x340) - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl unknown_exception b interrupt_return @@ -979,7 +979,7 @@ masked_interrupt_book3e_0x2c0: * original values stashed away in the PACA */ storage_fault_common: - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl do_page_fault b interrupt_return @@ -988,7 +988,7 @@ storage_fault_common: * continues here. */ alignment_more: - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl alignment_exception REST_NVGPRS(r1) b interrupt_return @@ -1069,7 +1069,7 @@ bad_stack_book3e: ZEROIZE_GPR(12) std r12,0(r11) LOAD_PACA_TOC() -1: addi r3,r1,STACK_FRAME_OVERHEAD +1: addi r3,r1,STACK_INT_FRAME_REGS bl kernel_bad_stack b 1b diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index 651c36b056bd..29b78536ca59 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -1061,7 +1061,7 @@ EXC_COMMON_BEGIN(system_reset_common) subi r1,r1,INT_FRAME_SIZE __GEN_COMMON_BODY system_reset - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl system_reset_exception /* Clear MSR_RI before setting SRR0 and SRR1. */ @@ -1208,7 +1208,7 @@ EXC_COMMON_BEGIN(machine_check_early_common) BEGIN_FTR_SECTION bl enable_machine_check END_FTR_SECTION_IFSET(CPU_FTR_HVMODE) - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS BEGIN_FTR_SECTION bl machine_check_early_boot END_FTR_SECTION(0, 1) // nop out after boot @@ -1298,7 +1298,7 @@ EXC_COMMON_BEGIN(machine_check_common) * save area: PACA_EXMC instead of PACA_EXGEN. */ GEN_COMMON machine_check - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl machine_check_exception_async b interrupt_return_srr @@ -1364,14 +1364,14 @@ END_FTR_SECTION_IFSET(CPU_FTR_HVMODE) * This is the NMI version of the handler because we are called from * the early handler which is a true NMI. */ - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl machine_check_exception /* * We will not reach here. Even if we did, there is no way out. * Call unrecoverable_exception and die. */ - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl unrecoverable_exception b . @@ -1422,7 +1422,7 @@ EXC_VIRT_END(data_access, 0x4300, 0x80) EXC_COMMON_BEGIN(data_access_common) GEN_COMMON data_access ld r4,_DSISR(r1) - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS andis. r0,r4,DSISR_DABRMATCH@h bne- 1f #ifdef CONFIG_PPC_64S_HASH_MMU @@ -1479,7 +1479,7 @@ EXC_COMMON_BEGIN(data_access_slb_common) #ifdef CONFIG_PPC_64S_HASH_MMU BEGIN_MMU_FTR_SECTION /* HPT case, do SLB fault */ - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl do_slb_fault cmpdi r3,0 bne- 1f @@ -1493,7 +1493,7 @@ ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_TYPE_RADIX) li r3,-EFAULT #endif std r3,RESULT(r1) - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl do_bad_segment_interrupt b interrupt_return_srr @@ -1525,7 +1525,7 @@ EXC_VIRT_BEGIN(instruction_access, 0x4400, 0x80) EXC_VIRT_END(instruction_access, 0x4400, 0x80) EXC_COMMON_BEGIN(instruction_access_common) GEN_COMMON instruction_access - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS #ifdef CONFIG_PPC_64S_HASH_MMU BEGIN_MMU_FTR_SECTION bl do_hash_fault @@ -1567,7 +1567,7 @@ EXC_COMMON_BEGIN(instruction_access_slb_common) #ifdef CONFIG_PPC_64S_HASH_MMU BEGIN_MMU_FTR_SECTION /* HPT case, do SLB fault */ - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl do_slb_fault cmpdi r3,0 bne- 1f @@ -1581,7 +1581,7 @@ ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_TYPE_RADIX) li r3,-EFAULT #endif std r3,RESULT(r1) - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl do_bad_segment_interrupt b interrupt_return_srr @@ -1635,7 +1635,7 @@ EXC_VIRT_BEGIN(hardware_interrupt, 0x4500, 0x100) EXC_VIRT_END(hardware_interrupt, 0x4500, 0x100) EXC_COMMON_BEGIN(hardware_interrupt_common) GEN_COMMON hardware_interrupt - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl do_IRQ BEGIN_FTR_SECTION b interrupt_return_hsrr @@ -1665,7 +1665,7 @@ EXC_VIRT_BEGIN(alignment, 0x4600, 0x100) EXC_VIRT_END(alignment, 0x4600, 0x100) EXC_COMMON_BEGIN(alignment_common) GEN_COMMON alignment - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl alignment_exception REST_NVGPRS(r1) /* instruction emulation may change GPRs */ b interrupt_return_srr @@ -1731,7 +1731,7 @@ EXC_COMMON_BEGIN(program_check_common) __GEN_COMMON_BODY program_check .Ldo_program_check: - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl program_check_exception REST_NVGPRS(r1) /* instruction emulation may change GPRs */ b interrupt_return_srr @@ -1762,7 +1762,7 @@ EXC_VIRT_END(fp_unavailable, 0x4800, 0x100) EXC_COMMON_BEGIN(fp_unavailable_common) GEN_COMMON fp_unavailable bne 1f /* if from user, just load it up */ - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl kernel_fp_unavailable_exception 0: trap EMIT_BUG_ENTRY 0b, __FILE__, __LINE__, 0 @@ -1780,7 +1780,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_TM) b fast_interrupt_return_srr #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 2: /* User process was in a transaction */ - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl fp_unavailable_tm b interrupt_return_srr #endif @@ -1824,7 +1824,7 @@ EXC_VIRT_BEGIN(decrementer, 0x4900, 0x80) EXC_VIRT_END(decrementer, 0x4900, 0x80) EXC_COMMON_BEGIN(decrementer_common) GEN_COMMON decrementer - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl timer_interrupt b interrupt_return_srr @@ -1909,7 +1909,7 @@ EXC_VIRT_BEGIN(doorbell_super, 0x4a00, 0x100) EXC_VIRT_END(doorbell_super, 0x4a00, 0x100) EXC_COMMON_BEGIN(doorbell_super_common) GEN_COMMON doorbell_super - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS #ifdef CONFIG_PPC_DOORBELL bl doorbell_exception #else @@ -2076,7 +2076,7 @@ EXC_VIRT_BEGIN(single_step, 0x4d00, 0x100) EXC_VIRT_END(single_step, 0x4d00, 0x100) EXC_COMMON_BEGIN(single_step_common) GEN_COMMON single_step - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl single_step_exception b interrupt_return_srr @@ -2110,7 +2110,7 @@ EXC_VIRT_BEGIN(h_data_storage, 0x4e00, 0x20) EXC_VIRT_END(h_data_storage, 0x4e00, 0x20) EXC_COMMON_BEGIN(h_data_storage_common) GEN_COMMON h_data_storage - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS BEGIN_MMU_FTR_SECTION bl do_bad_page_fault_segv MMU_FTR_SECTION_ELSE @@ -2139,7 +2139,7 @@ EXC_VIRT_BEGIN(h_instr_storage, 0x4e20, 0x20) EXC_VIRT_END(h_instr_storage, 0x4e20, 0x20) EXC_COMMON_BEGIN(h_instr_storage_common) GEN_COMMON h_instr_storage - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl unknown_exception b interrupt_return_hsrr @@ -2162,7 +2162,7 @@ EXC_VIRT_BEGIN(emulation_assist, 0x4e40, 0x20) EXC_VIRT_END(emulation_assist, 0x4e40, 0x20) EXC_COMMON_BEGIN(emulation_assist_common) GEN_COMMON emulation_assist - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl emulation_assist_interrupt REST_NVGPRS(r1) /* instruction emulation may change GPRs */ b interrupt_return_hsrr @@ -2222,7 +2222,7 @@ EXC_COMMON_BEGIN(hmi_exception_early_common) __GEN_COMMON_BODY hmi_exception_early - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl hmi_exception_realmode cmpdi cr0,r3,0 bne 1f @@ -2240,7 +2240,7 @@ EXC_COMMON_BEGIN(hmi_exception_early_common) EXC_COMMON_BEGIN(hmi_exception_common) GEN_COMMON hmi_exception - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl handle_hmi_exception b interrupt_return_hsrr @@ -2274,7 +2274,7 @@ EXC_VIRT_BEGIN(h_doorbell, 0x4e80, 0x20) EXC_VIRT_END(h_doorbell, 0x4e80, 0x20) EXC_COMMON_BEGIN(h_doorbell_common) GEN_COMMON h_doorbell - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS #ifdef CONFIG_PPC_DOORBELL bl doorbell_exception #else @@ -2310,7 +2310,7 @@ EXC_VIRT_BEGIN(h_virt_irq, 0x4ea0, 0x20) EXC_VIRT_END(h_virt_irq, 0x4ea0, 0x20) EXC_COMMON_BEGIN(h_virt_irq_common) GEN_COMMON h_virt_irq - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl do_IRQ b interrupt_return_hsrr @@ -2356,7 +2356,7 @@ EXC_VIRT_BEGIN(performance_monitor, 0x4f00, 0x20) EXC_VIRT_END(performance_monitor, 0x4f00, 0x20) EXC_COMMON_BEGIN(performance_monitor_common) GEN_COMMON performance_monitor - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS lbz r4,PACAIRQSOFTMASK(r13) cmpdi r4,IRQS_ENABLED bne 1f @@ -2410,14 +2410,14 @@ BEGIN_FTR_SECTION b fast_interrupt_return_srr #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 2: /* User process was in a transaction */ - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl altivec_unavailable_tm b interrupt_return_srr #endif 1: END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) #endif - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl altivec_unavailable_exception b interrupt_return_srr @@ -2458,14 +2458,14 @@ BEGIN_FTR_SECTION b load_up_vsx #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 2: /* User process was in a transaction */ - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl vsx_unavailable_tm b interrupt_return_srr #endif 1: END_FTR_SECTION_IFSET(CPU_FTR_VSX) #endif - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl vsx_unavailable_exception b interrupt_return_srr @@ -2492,7 +2492,7 @@ EXC_VIRT_BEGIN(facility_unavailable, 0x4f60, 0x20) EXC_VIRT_END(facility_unavailable, 0x4f60, 0x20) EXC_COMMON_BEGIN(facility_unavailable_common) GEN_COMMON facility_unavailable - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl facility_unavailable_exception REST_NVGPRS(r1) /* instruction emulation may change GPRs */ b interrupt_return_srr @@ -2520,7 +2520,7 @@ EXC_VIRT_BEGIN(h_facility_unavailable, 0x4f80, 0x20) EXC_VIRT_END(h_facility_unavailable, 0x4f80, 0x20) EXC_COMMON_BEGIN(h_facility_unavailable_common) GEN_COMMON h_facility_unavailable - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl facility_unavailable_exception REST_NVGPRS(r1) /* XXX Shouldn't be necessary in practice */ b interrupt_return_hsrr @@ -2550,7 +2550,7 @@ EXC_REAL_END(cbe_system_error, 0x1200, 0x100) EXC_VIRT_NONE(0x5200, 0x100) EXC_COMMON_BEGIN(cbe_system_error_common) GEN_COMMON cbe_system_error - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl cbe_system_error_exception b interrupt_return_hsrr @@ -2581,7 +2581,7 @@ EXC_VIRT_BEGIN(instruction_breakpoint, 0x5300, 0x100) EXC_VIRT_END(instruction_breakpoint, 0x5300, 0x100) EXC_COMMON_BEGIN(instruction_breakpoint_common) GEN_COMMON instruction_breakpoint - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl instruction_breakpoint_exception b interrupt_return_srr @@ -2703,7 +2703,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_CFAR) EXC_COMMON_BEGIN(denorm_exception_common) GEN_COMMON denorm_exception - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl unknown_exception b interrupt_return_hsrr @@ -2720,7 +2720,7 @@ EXC_REAL_END(cbe_maintenance, 0x1600, 0x100) EXC_VIRT_NONE(0x5600, 0x100) EXC_COMMON_BEGIN(cbe_maintenance_common) GEN_COMMON cbe_maintenance - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl cbe_maintenance_exception b interrupt_return_hsrr @@ -2745,7 +2745,7 @@ EXC_VIRT_BEGIN(altivec_assist, 0x5700, 0x100) EXC_VIRT_END(altivec_assist, 0x5700, 0x100) EXC_COMMON_BEGIN(altivec_assist_common) GEN_COMMON altivec_assist - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS #ifdef CONFIG_ALTIVEC bl altivec_assist_exception REST_NVGPRS(r1) /* instruction emulation may change GPRs */ @@ -2767,7 +2767,7 @@ EXC_REAL_END(cbe_thermal, 0x1800, 0x100) EXC_VIRT_NONE(0x5800, 0x100) EXC_COMMON_BEGIN(cbe_thermal_common) GEN_COMMON cbe_thermal - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl cbe_thermal_exception b interrupt_return_hsrr @@ -2800,7 +2800,7 @@ EXC_COMMON_BEGIN(soft_nmi_common) subi r1,r1,INT_FRAME_SIZE __GEN_COMMON_BODY soft_nmi - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl soft_nmi_interrupt /* Clear MSR_RI before setting SRR0 and SRR1. */ diff --git a/arch/powerpc/kernel/head_32.h b/arch/powerpc/kernel/head_32.h index c3286260a7d1..117d25330e13 100644 --- a/arch/powerpc/kernel/head_32.h +++ b/arch/powerpc/kernel/head_32.h @@ -127,7 +127,7 @@ _ASM_NOKPROBE_SYMBOL(\name\()_virt) mfspr r10,SPRN_XER addi r2, r2, -THREAD stw r10,_XER(r1) - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS .endm .macro prepare_transfer_to_handler diff --git a/arch/powerpc/kernel/head_85xx.S b/arch/powerpc/kernel/head_85xx.S index 52c0ab416326..24f39abf81df 100644 --- a/arch/powerpc/kernel/head_85xx.S +++ b/arch/powerpc/kernel/head_85xx.S @@ -972,10 +972,10 @@ _GLOBAL(__giveup_spe) li r4,THREAD_ACC evstddx evr6, r4, r3 /* save off accumulator */ beq 1f - lwz r4,_MSR-STACK_FRAME_OVERHEAD(r5) + lwz r4,_MSR-STACK_INT_FRAME_REGS(r5) lis r3,MSR_SPE@h andc r4,r4,r3 /* disable SPE for previous task */ - stw r4,_MSR-STACK_FRAME_OVERHEAD(r5) + stw r4,_MSR-STACK_INT_FRAME_REGS(r5) 1: blr #endif /* CONFIG_SPE */ diff --git a/arch/powerpc/kernel/head_booke.h b/arch/powerpc/kernel/head_booke.h index 1cb9d0f7cbf2..3149ac20b18e 100644 --- a/arch/powerpc/kernel/head_booke.h +++ b/arch/powerpc/kernel/head_booke.h @@ -99,7 +99,7 @@ END_BTB_FLUSH_SECTION mfspr r10,SPRN_XER addi r2, r2, -THREAD stw r10,_XER(r1) - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS .endm .macro prepare_transfer_to_handler diff --git a/arch/powerpc/kernel/interrupt_64.S b/arch/powerpc/kernel/interrupt_64.S index a019ed6fc839..49d585eae7c8 100644 --- a/arch/powerpc/kernel/interrupt_64.S +++ b/arch/powerpc/kernel/interrupt_64.S @@ -78,7 +78,7 @@ _ASM_NOKPROBE_SYMBOL(system_call_vectored_\name) std r12,_CCR(r1) std r3,ORIG_GPR3(r1) /* Calling convention has r3 = regs, r4 = orig r0 */ - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS mr r4,r0 LOAD_REG_IMMEDIATE(r11, STACK_FRAME_REGS_MARKER) std r11,-16(r3) /* "regshere" marker */ @@ -99,7 +99,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_HAS_PPR) bl system_call_exception .Lsyscall_vectored_\name\()_exit: - addi r4,r1,STACK_FRAME_OVERHEAD + addi r4,r1,STACK_INT_FRAME_REGS li r5,1 /* scv */ bl syscall_exit_prepare std r1,PACA_EXIT_SAVE_R1(r13) /* save r1 for restart */ @@ -176,7 +176,7 @@ _ASM_NOKPROBE_SYMBOL(syscall_vectored_\name\()_restart) ld r1,PACA_EXIT_SAVE_R1(r13) LOAD_PACA_TOC() ld r3,RESULT(r1) - addi r4,r1,STACK_FRAME_OVERHEAD + addi r4,r1,STACK_INT_FRAME_REGS li r11,IRQS_ALL_DISABLED stb r11,PACAIRQSOFTMASK(r13) bl syscall_exit_restart @@ -251,7 +251,7 @@ END_BTB_FLUSH_SECTION std r12,_CCR(r1) std r3,ORIG_GPR3(r1) /* Calling convention has r3 = regs, r4 = orig r0 */ - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS mr r4,r0 LOAD_REG_IMMEDIATE(r11, STACK_FRAME_REGS_MARKER) std r11,-16(r3) /* "regshere" marker */ @@ -278,7 +278,7 @@ END_BTB_FLUSH_SECTION bl system_call_exception .Lsyscall_exit: - addi r4,r1,STACK_FRAME_OVERHEAD + addi r4,r1,STACK_INT_FRAME_REGS li r5,0 /* !scv */ bl syscall_exit_prepare std r1,PACA_EXIT_SAVE_R1(r13) /* save r1 for restart */ @@ -357,7 +357,7 @@ _ASM_NOKPROBE_SYMBOL(syscall_restart) ld r1,PACA_EXIT_SAVE_R1(r13) LOAD_PACA_TOC() ld r3,RESULT(r1) - addi r4,r1,STACK_FRAME_OVERHEAD + addi r4,r1,STACK_INT_FRAME_REGS li r11,IRQS_ALL_DISABLED stb r11,PACAIRQSOFTMASK(r13) bl syscall_exit_restart @@ -388,7 +388,7 @@ _ASM_NOKPROBE_SYMBOL(fast_interrupt_return_srr) andi. r0,r5,MSR_RI li r3,0 /* 0 return value, no EMULATE_STACK_STORE */ bne+ .Lfast_kernel_interrupt_return_srr - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl unrecoverable_exception b . /* should not get here */ #else @@ -406,7 +406,7 @@ _ASM_NOKPROBE_SYMBOL(interrupt_return_\srr\()) beq interrupt_return_\srr\()_kernel interrupt_return_\srr\()_user: /* make backtraces match the _kernel variant */ _ASM_NOKPROBE_SYMBOL(interrupt_return_\srr\()_user) - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl interrupt_exit_user_prepare cmpdi r3,0 bne- .Lrestore_nvgprs_\srr @@ -503,7 +503,7 @@ _ASM_NOKPROBE_SYMBOL(interrupt_return_\srr\()_user_restart) GET_PACA(r13) ld r1,PACA_EXIT_SAVE_R1(r13) LOAD_PACA_TOC() - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS li r11,IRQS_ALL_DISABLED stb r11,PACAIRQSOFTMASK(r13) bl interrupt_exit_user_restart @@ -518,7 +518,7 @@ RESTART_TABLE(.Linterrupt_return_\srr\()_user_rst_start, .Linterrupt_return_\srr .balign IFETCH_ALIGN_BYTES interrupt_return_\srr\()_kernel: _ASM_NOKPROBE_SYMBOL(interrupt_return_\srr\()_kernel) - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS bl interrupt_exit_kernel_prepare std r1,PACA_EXIT_SAVE_R1(r13) /* save r1 for restart */ @@ -684,7 +684,7 @@ _ASM_NOKPROBE_SYMBOL(interrupt_return_\srr\()_kernel_restart) GET_PACA(r13) ld r1,PACA_EXIT_SAVE_R1(r13) LOAD_PACA_TOC() - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS li r11,IRQS_ALL_DISABLED stb r11,PACAIRQSOFTMASK(r13) bl interrupt_exit_kernel_restart diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c index 1a1e9995dae3..ebe4d1645ca1 100644 --- a/arch/powerpc/kernel/kgdb.c +++ b/arch/powerpc/kernel/kgdb.c @@ -191,7 +191,7 @@ static int kgdb_break_match(struct pt_regs *regs) 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); + STACK_INT_FRAME_REGS); unsigned long *ptr = gdb_regs; int reg; diff --git a/arch/powerpc/kernel/optprobes_head.S b/arch/powerpc/kernel/optprobes_head.S index cd4e7bc32609..35932f45fb4e 100644 --- a/arch/powerpc/kernel/optprobes_head.S +++ b/arch/powerpc/kernel/optprobes_head.S @@ -85,7 +85,7 @@ optprobe_template_op_address: TEMPLATE_FOR_IMM_LOAD_INSNS /* 2. pt_regs pointer in r4 */ - addi r4,r1,STACK_FRAME_OVERHEAD + addi r4,r1,STACK_INT_FRAME_REGS .global optprobe_template_call_handler optprobe_template_call_handler: @@ -96,7 +96,7 @@ optprobe_template_call_handler: * Parameters for instruction emulation: * 1. Pass SP in register r3. */ - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS .global optprobe_template_insn optprobe_template_insn: diff --git a/arch/powerpc/kernel/ppc_save_regs.S b/arch/powerpc/kernel/ppc_save_regs.S index 6e86f3bf4673..49813f982468 100644 --- a/arch/powerpc/kernel/ppc_save_regs.S +++ b/arch/powerpc/kernel/ppc_save_regs.S @@ -22,7 +22,7 @@ */ _GLOBAL(ppc_save_regs) /* This allows stack frame accessor macros and offsets to be used */ - subi r3,r3,STACK_FRAME_OVERHEAD + subi r3,r3,STACK_INT_FRAME_REGS PPC_STL r0,GPR0(r3) #ifdef CONFIG_PPC32 stmw r2,GPR2(r3) diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index f93703ea4a12..d7a581997d92 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -2260,12 +2260,12 @@ void __no_sanitize_address show_stack(struct task_struct *tsk, /* * See if this is an exception frame. - * We look for the "regshere" marker in the current frame. + * We look for the "regs" marker in the current frame. */ if (validate_sp(sp, tsk, STACK_FRAME_WITH_PT_REGS) && stack[STACK_FRAME_MARKER] == STACK_FRAME_REGS_MARKER) { struct pt_regs *regs = (struct pt_regs *) - (sp + STACK_FRAME_OVERHEAD); + (sp + STACK_INT_FRAME_REGS); lr = regs->link; printk("%s--- interrupt: %lx at %pS\n", diff --git a/arch/powerpc/kernel/tm.S b/arch/powerpc/kernel/tm.S index 5a0f023a26e9..9feab5e0485b 100644 --- a/arch/powerpc/kernel/tm.S +++ b/arch/powerpc/kernel/tm.S @@ -117,7 +117,7 @@ _GLOBAL(tm_reclaim) std r2, STK_GOT(r1) stdu r1, -TM_FRAME_SIZE(r1) - /* We've a struct pt_regs at [r1+STACK_FRAME_OVERHEAD]. */ + /* We've a struct pt_regs at [r1+STACK_INT_FRAME_REGS]. */ std r3, STK_PARAM(R3)(r1) SAVE_NVGPRS(r1) @@ -222,7 +222,7 @@ _GLOBAL(tm_reclaim) * Make r7 look like an exception frame so that we can use the neat * GPRx(n) macros. r7 is NOT a pt_regs ptr! */ - subi r7, r7, STACK_FRAME_OVERHEAD + subi r7, r7, STACK_INT_FRAME_REGS /* Sync the userland GPRs 2-12, 14-31 to thread->regs: */ SAVE_GPR(0, r7) /* user r0 */ @@ -359,7 +359,7 @@ _GLOBAL(__tm_recheckpoint) stdu r1, -TM_FRAME_SIZE(r1) /* - * We've a struct pt_regs at [r1+STACK_FRAME_OVERHEAD]. + * We've a struct pt_regs at [r1+STACK_INT_FRAME_REGS]. * This is used for backing up the NVGPRs: */ SAVE_NVGPRS(r1) @@ -379,7 +379,7 @@ _GLOBAL(__tm_recheckpoint) * Make r7 look like an exception frame so that we can use the neat * GPRx(n) macros. r7 is now NOT a pt_regs ptr! */ - subi r7, r7, STACK_FRAME_OVERHEAD + subi r7, r7, STACK_INT_FRAME_REGS /* We need to setup MSR for FP/VMX/VSX register save instructions. */ mfmsr r6 diff --git a/arch/powerpc/kernel/trace/ftrace_mprofile.S b/arch/powerpc/kernel/trace/ftrace_mprofile.S index d031093bc436..ffb1db386849 100644 --- a/arch/powerpc/kernel/trace/ftrace_mprofile.S +++ b/arch/powerpc/kernel/trace/ftrace_mprofile.S @@ -110,7 +110,7 @@ .endif /* Load &pt_regs in r6 for call below */ - addi r6, r1, STACK_FRAME_OVERHEAD + addi r6, r1, STACK_INT_FRAME_REGS .endm .macro ftrace_regs_exit allregs diff --git a/arch/powerpc/lib/test_emulate_step_exec_instr.S b/arch/powerpc/lib/test_emulate_step_exec_instr.S index 5473f9d03df3..e2b646a4f7fa 100644 --- a/arch/powerpc/lib/test_emulate_step_exec_instr.S +++ b/arch/powerpc/lib/test_emulate_step_exec_instr.S @@ -16,7 +16,7 @@ _GLOBAL(exec_instr) /* * Stack frame layout (INT_FRAME_SIZE bytes) - * In-memory pt_regs (SP + STACK_FRAME_OVERHEAD) + * In-memory pt_regs (SP + STACK_INT_FRAME_REGS) * Scratch space (SP + 8) * Back chain (SP + 0) */ diff --git a/arch/powerpc/perf/callchain.c b/arch/powerpc/perf/callchain.c index 8718289c051d..9e254aed1f61 100644 --- a/arch/powerpc/perf/callchain.c +++ b/arch/powerpc/perf/callchain.c @@ -67,7 +67,7 @@ perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, struct pt_regs *re * This looks like an interrupt frame for an * interrupt that occurred in the kernel */ - regs = (struct pt_regs *)(sp + STACK_FRAME_OVERHEAD); + regs = (struct pt_regs *)(sp + STACK_INT_FRAME_REGS); next_ip = regs->nip; lr = regs->link; level = 0; diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index e34d7809f6c9..a14eb4d815c2 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -1782,14 +1782,13 @@ static void xmon_show_stack(unsigned long sp, unsigned long lr, xmon_print_symbol(ip, " ", "\n"); } - /* Look for "regshere" marker to see if this is + /* Look for "regs" marker to see if this is an exception frame. */ if (mread(sp + MARKER_OFFSET, &marker, sizeof(unsigned long)) && marker == STACK_FRAME_REGS_MARKER) { - if (mread(sp + STACK_FRAME_OVERHEAD, ®s, sizeof(regs)) - != sizeof(regs)) { + if (mread(sp + STACK_INT_FRAME_REGS, ®s, sizeof(regs)) != sizeof(regs)) { printf("Couldn't read registers at %lx\n", - sp + STACK_FRAME_OVERHEAD); + sp + STACK_INT_FRAME_REGS); break; } printf("--- Exception: %lx %s at ", regs.trap,