Add ENTRY_CFI() and ENDPROC_CFI() macros for dwarf debug info and convert assembly users to new macros. Signed-off-by: Helge Deller <deller@xxxxxx> diff --git a/arch/parisc/include/asm/linkage.h b/arch/parisc/include/asm/linkage.h index 0b19a72..67e6b43 100644 --- a/arch/parisc/include/asm/linkage.h +++ b/arch/parisc/include/asm/linkage.h @@ -1,6 +1,8 @@ #ifndef __ASM_PARISC_LINKAGE_H #define __ASM_PARISC_LINKAGE_H +#include <asm/dwarf.h> + #ifndef __ALIGN #define __ALIGN .align 4 #define __ALIGN_STR ".align 4" @@ -10,6 +12,8 @@ * In parisc assembly a semicolon marks a comment while a * exclamation mark is used to separate independent lines. */ +#define ASM_NL ! + #ifdef __ASSEMBLY__ #define ENTRY(name) \ @@ -26,6 +30,14 @@ name: END(name) #endif +#define ENTRY_CFI(name) \ + ENTRY(name) ASM_NL\ + CFI_STARTPROC + +#define ENDPROC_CFI(name) \ + ENDPROC(name) ASM_NL\ + CFI_ENDPROC + #endif /* __ASSEMBLY__ */ #endif /* __ASM_PARISC_LINKAGE_H */ diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S index baa3d9d..4fcff2d 100644 --- a/arch/parisc/kernel/entry.S +++ b/arch/parisc/kernel/entry.S @@ -766,7 +766,7 @@ ENTRY(end_fault_vector) * copy_thread moved args into task save area. */ -ENTRY(ret_from_kernel_thread) +ENTRY_CFI(ret_from_kernel_thread) /* Call schedule_tail first though */ BL schedule_tail, %r2 @@ -782,7 +782,7 @@ ENTRY(ret_from_kernel_thread) copy %r31, %r2 b finish_child_return nop -ENDPROC(ret_from_kernel_thread) +ENDPROC_CFI(ret_from_kernel_thread) /* @@ -790,7 +790,7 @@ ENDPROC(ret_from_kernel_thread) * struct task_struct *next) * * switch kernel stacks and return prev */ -ENTRY(_switch_to) +ENTRY_CFI(_switch_to) STREG %r2, -RP_OFFSET(%r30) callee_save_float @@ -815,7 +815,7 @@ _switch_to_ret: LDREG -RP_OFFSET(%r30), %r2 bv %r0(%r2) copy %r26, %r28 -ENDPROC(_switch_to) +ENDPROC_CFI(_switch_to) /* * Common rfi return path for interruptions, kernel execve, and @@ -833,7 +833,7 @@ ENDPROC(_switch_to) .align PAGE_SIZE -ENTRY(syscall_exit_rfi) +ENTRY_CFI(syscall_exit_rfi) mfctl %cr30,%r16 LDREG TI_TASK(%r16), %r16 /* thread_info -> task_struct */ ldo TASK_REGS(%r16),%r16 @@ -1037,12 +1037,12 @@ intr_extint: b do_cpu_irq_mask ldo R%intr_return(%r2), %r2 /* return to intr_return, not here */ -ENDPROC(syscall_exit_rfi) +ENDPROC_CFI(syscall_exit_rfi) /* Generic interruptions (illegal insn, unaligned, page fault, etc) */ -ENTRY(intr_save) /* for os_hpmc */ +ENTRY_CFI(intr_save) /* for os_hpmc */ mfsp %sr7,%r16 cmpib,COND(=),n 0,%r16,1f get_stack_use_cr30 @@ -1117,7 +1117,7 @@ skip_save_ior: b handle_interruption ldo R%intr_check_sig(%r2), %r2 -ENDPROC(intr_save) +ENDPROC_CFI(intr_save) /* @@ -1720,7 +1720,7 @@ dtlb_fault: .endm .macro fork_like name -ENTRY(sys_\name\()_wrapper) +ENTRY_CFI(sys_\name\()_wrapper) LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30), %r1 ldo TASK_REGS(%r1),%r1 reg_save %r1 @@ -1728,7 +1728,7 @@ ENTRY(sys_\name\()_wrapper) ldil L%sys_\name, %r31 be R%sys_\name(%sr4,%r31) STREG %r28, PT_CR27(%r1) -ENDPROC(sys_\name\()_wrapper) +ENDPROC_CFI(sys_\name\()_wrapper) .endm fork_like clone @@ -1736,7 +1736,7 @@ fork_like fork fork_like vfork /* Set the return value for the child */ -ENTRY(child_return) +ENTRY_CFI(child_return) BL schedule_tail, %r2 nop finish_child_return: @@ -1748,9 +1748,9 @@ finish_child_return: reg_restore %r1 b syscall_exit copy %r0,%r28 -ENDPROC(child_return) +ENDPROC_CFI(child_return) -ENTRY(sys_rt_sigreturn_wrapper) +ENTRY_CFI(sys_rt_sigreturn_wrapper) LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r26 ldo TASK_REGS(%r26),%r26 /* get pt regs */ /* Don't save regs, we are going to restore them from sigcontext. */ @@ -1778,9 +1778,9 @@ ENTRY(sys_rt_sigreturn_wrapper) */ bv %r0(%r2) LDREG PT_GR28(%r1),%r28 /* reload original r28 for syscall_exit */ -ENDPROC(sys_rt_sigreturn_wrapper) +ENDPROC_CFI(sys_rt_sigreturn_wrapper) -ENTRY(syscall_exit) +ENTRY_CFI(syscall_exit) /* NOTE: Not all syscalls exit this way. rt_sigreturn will exit * via syscall_exit_rfi if the signal was received while the process * was running. @@ -1979,7 +1979,7 @@ syscall_do_resched: #else nop #endif -ENDPROC(syscall_exit) +ENDPROC_CFI(syscall_exit) #ifdef CONFIG_FUNCTION_TRACER @@ -2023,7 +2023,7 @@ ENDPROC(mcount) .align 8 .globl return_to_handler .type return_to_handler, @function -ENTRY(return_to_handler) +ENTRY_CFI(return_to_handler) .proc .callinfo caller,frame=FRAME_SIZE .entry @@ -2067,7 +2067,7 @@ parisc_return_to_handler: LDREGM -FRAME_SIZE(%sp),%r3 .exit .procend -ENDPROC(return_to_handler) +ENDPROC_CFI(return_to_handler) #endif /* CONFIG_FUNCTION_GRAPH_TRACER */ @@ -2076,7 +2076,7 @@ ENDPROC(return_to_handler) #ifdef CONFIG_IRQSTACKS /* void call_on_stack(unsigned long param1, void *func, unsigned long new_stack) */ -ENTRY(call_on_stack) +ENTRY_CFI(call_on_stack) copy %sp, %r1 /* Regarding the HPPA calling conventions for function pointers, @@ -2112,10 +2112,10 @@ ENTRY(call_on_stack) bv (%rp) LDREG -68(%sp), %sp # endif /* CONFIG_64BIT */ -ENDPROC(call_on_stack) +ENDPROC_CFI(call_on_stack) #endif /* CONFIG_IRQSTACKS */ -get_register: +ENTRY_CFI(get_register) /* * get_register is used by the non access tlb miss handlers to * copy the value of the general register specified in r8 into @@ -2192,9 +2192,10 @@ get_register: copy %r30,%r1 bv %r0(%r25) /* r31 */ copy %r31,%r1 +ENDPROC_CFI(get_register) -set_register: +ENTRY_CFI(set_register) /* * set_register is used by the non access tlb miss handlers to * copy the value of r1 into the general register specified in @@ -2266,4 +2267,5 @@ set_register: copy %r1,%r30 bv %r0(%r25) /* r31 */ copy %r1,%r31 +ENDPROC_CFI(set_register) diff --git a/arch/parisc/kernel/hpmc.S b/arch/parisc/kernel/hpmc.S index 8b87020..0fbd0a0 100644 --- a/arch/parisc/kernel/hpmc.S +++ b/arch/parisc/kernel/hpmc.S @@ -83,7 +83,7 @@ END(hpmc_pim_data) .text .import intr_save, code -ENTRY(os_hpmc) +ENTRY_CFI(os_hpmc) .os_hpmc: /* @@ -299,7 +299,7 @@ os_hpmc_6: b . nop -ENDPROC(os_hpmc) +ENDPROC_CFI(os_hpmc) .os_hpmc_end: diff --git a/arch/parisc/kernel/pacache.S b/arch/parisc/kernel/pacache.S index b743a80..b508802 100644 --- a/arch/parisc/kernel/pacache.S +++ b/arch/parisc/kernel/pacache.S @@ -41,7 +41,7 @@ .text .align 128 -ENTRY(flush_tlb_all_local) +ENTRY_CFI(flush_tlb_all_local) .proc .callinfo NO_CALLS .entry @@ -190,11 +190,11 @@ fdtdone: .exit .procend -ENDPROC(flush_tlb_all_local) +ENDPROC_CFI(flush_tlb_all_local) .import cache_info,data -ENTRY(flush_instruction_cache_local) +ENTRY_CFI(flush_instruction_cache_local) .proc .callinfo NO_CALLS .entry @@ -257,11 +257,11 @@ fisync: .exit .procend -ENDPROC(flush_instruction_cache_local) +ENDPROC_CFI(flush_instruction_cache_local) .import cache_info, data -ENTRY(flush_data_cache_local) +ENTRY_CFI(flush_data_cache_local) .proc .callinfo NO_CALLS .entry @@ -325,7 +325,7 @@ fdsync: .exit .procend -ENDPROC(flush_data_cache_local) +ENDPROC_CFI(flush_data_cache_local) .align 16 @@ -356,7 +356,7 @@ ENDPROC(flush_data_cache_local) /* Clear page using kernel mapping. */ -ENTRY(clear_page_asm) +ENTRY_CFI(clear_page_asm) .proc .callinfo NO_CALLS .entry @@ -422,11 +422,11 @@ ENTRY(clear_page_asm) .exit .procend -ENDPROC(clear_page_asm) +ENDPROC_CFI(clear_page_asm) /* Copy page using kernel mapping. */ -ENTRY(copy_page_asm) +ENTRY_CFI(copy_page_asm) .proc .callinfo NO_CALLS .entry @@ -540,7 +540,7 @@ ENTRY(copy_page_asm) .exit .procend -ENDPROC(copy_page_asm) +ENDPROC_CFI(copy_page_asm) /* * NOTE: Code in clear_user_page has a hard coded dependency on the @@ -586,7 +586,7 @@ ENDPROC(copy_page_asm) * */ -ENTRY(copy_user_page_asm) +ENTRY_CFI(copy_user_page_asm) .proc .callinfo NO_CALLS .entry @@ -742,9 +742,9 @@ ENTRY(copy_user_page_asm) .exit .procend -ENDPROC(copy_user_page_asm) +ENDPROC_CFI(copy_user_page_asm) -ENTRY(clear_user_page_asm) +ENTRY_CFI(clear_user_page_asm) .proc .callinfo NO_CALLS .entry @@ -828,9 +828,9 @@ ENTRY(clear_user_page_asm) .exit .procend -ENDPROC(clear_user_page_asm) +ENDPROC_CFI(clear_user_page_asm) -ENTRY(flush_dcache_page_asm) +ENTRY_CFI(flush_dcache_page_asm) .proc .callinfo NO_CALLS .entry @@ -904,9 +904,9 @@ ENTRY(flush_dcache_page_asm) .exit .procend -ENDPROC(flush_dcache_page_asm) +ENDPROC_CFI(flush_dcache_page_asm) -ENTRY(flush_icache_page_asm) +ENTRY_CFI(flush_icache_page_asm) .proc .callinfo NO_CALLS .entry @@ -982,9 +982,9 @@ ENTRY(flush_icache_page_asm) .exit .procend -ENDPROC(flush_icache_page_asm) +ENDPROC_CFI(flush_icache_page_asm) -ENTRY(flush_kernel_dcache_page_asm) +ENTRY_CFI(flush_kernel_dcache_page_asm) .proc .callinfo NO_CALLS .entry @@ -1025,9 +1025,9 @@ ENTRY(flush_kernel_dcache_page_asm) .exit .procend -ENDPROC(flush_kernel_dcache_page_asm) +ENDPROC_CFI(flush_kernel_dcache_page_asm) -ENTRY(purge_kernel_dcache_page_asm) +ENTRY_CFI(purge_kernel_dcache_page_asm) .proc .callinfo NO_CALLS .entry @@ -1067,9 +1067,9 @@ ENTRY(purge_kernel_dcache_page_asm) .exit .procend -ENDPROC(purge_kernel_dcache_page_asm) +ENDPROC_CFI(purge_kernel_dcache_page_asm) -ENTRY(flush_user_dcache_range_asm) +ENTRY_CFI(flush_user_dcache_range_asm) .proc .callinfo NO_CALLS .entry @@ -1088,9 +1088,9 @@ ENTRY(flush_user_dcache_range_asm) .exit .procend -ENDPROC(flush_user_dcache_range_asm) +ENDPROC_CFI(flush_user_dcache_range_asm) -ENTRY(flush_kernel_dcache_range_asm) +ENTRY_CFI(flush_kernel_dcache_range_asm) .proc .callinfo NO_CALLS .entry @@ -1110,9 +1110,9 @@ ENTRY(flush_kernel_dcache_range_asm) .exit .procend -ENDPROC(flush_kernel_dcache_range_asm) +ENDPROC_CFI(flush_kernel_dcache_range_asm) -ENTRY(flush_user_icache_range_asm) +ENTRY_CFI(flush_user_icache_range_asm) .proc .callinfo NO_CALLS .entry @@ -1131,9 +1131,9 @@ ENTRY(flush_user_icache_range_asm) .exit .procend -ENDPROC(flush_user_icache_range_asm) +ENDPROC_CFI(flush_user_icache_range_asm) -ENTRY(flush_kernel_icache_page) +ENTRY_CFI(flush_kernel_icache_page) .proc .callinfo NO_CALLS .entry @@ -1174,9 +1174,9 @@ ENTRY(flush_kernel_icache_page) .exit .procend -ENDPROC(flush_kernel_icache_page) +ENDPROC_CFI(flush_kernel_icache_page) -ENTRY(flush_kernel_icache_range_asm) +ENTRY_CFI(flush_kernel_icache_range_asm) .proc .callinfo NO_CALLS .entry @@ -1194,13 +1194,13 @@ ENTRY(flush_kernel_icache_range_asm) nop .exit .procend -ENDPROC(flush_kernel_icache_range_asm) +ENDPROC_CFI(flush_kernel_icache_range_asm) /* align should cover use of rfi in disable_sr_hashing_asm and * srdis_done. */ .align 256 -ENTRY(disable_sr_hashing_asm) +ENTRY_CFI(disable_sr_hashing_asm) .proc .callinfo NO_CALLS .entry @@ -1289,6 +1289,6 @@ srdis_done: .exit .procend -ENDPROC(disable_sr_hashing_asm) +ENDPROC_CFI(disable_sr_hashing_asm) .end diff --git a/arch/parisc/kernel/real2.S b/arch/parisc/kernel/real2.S index 5f3d3a1..1db58e5 100644 --- a/arch/parisc/kernel/real2.S +++ b/arch/parisc/kernel/real2.S @@ -61,7 +61,7 @@ save_cr_end: * iodc_fn is the IODC function to call */ -ENTRY(real32_call_asm) +ENTRY_CFI(real32_call_asm) STREG %rp, -RP_OFFSET(%sp) /* save RP */ #ifdef CONFIG_64BIT callee_save @@ -119,14 +119,14 @@ ric_ret: LDREG -RP_OFFSET(%sp), %rp /* restore RP */ bv 0(%rp) nop -ENDPROC(real32_call_asm) +ENDPROC_CFI(real32_call_asm) # define PUSH_CR(r, where) mfctl r, %r1 ! STREG,ma %r1, REG_SZ(where) # define POP_CR(r, where) LDREG,mb -REG_SZ(where), %r1 ! mtctl %r1, r .text -save_control_regs: +ENTRY_CFI(save_control_regs) load32 PA(save_cr_space), %r28 PUSH_CR(%cr24, %r28) PUSH_CR(%cr25, %r28) @@ -139,8 +139,9 @@ save_control_regs: PUSH_CR(%cr15, %r28) bv 0(%r2) nop +ENDPROC_CFI(save_control_regs) -restore_control_regs: +ENTRY_CFI(restore_control_regs) load32 PA(save_cr_end), %r26 POP_CR(%cr15, %r26) POP_CR(%cr31, %r26) @@ -153,13 +154,14 @@ restore_control_regs: POP_CR(%cr24, %r26) bv 0(%r2) nop +ENDPROC_CFI(restore_control_regs) /* rfi_virt2real() and rfi_real2virt() could perhaps be adapted for * more general-purpose use by the several places which need RFIs */ .text .align 128 -rfi_virt2real: +ENTRY_CFI(rfi_virt2real) /* switch to real mode... */ rsm PSW_SM_I,%r0 load32 PA(rfi_v2r_1), %r1 @@ -191,10 +193,11 @@ rfi_v2r_1: tophys_r1 %r2 bv 0(%r2) nop +ENDPROC_CFI(rfi_virt2real) .text .align 128 -rfi_real2virt: +ENTRY_CFI(rfi_real2virt) rsm PSW_SM_I,%r0 load32 (rfi_r2v_1), %r1 nop @@ -225,6 +228,7 @@ rfi_r2v_1: tovirt_r1 %r2 bv 0(%r2) nop +ENDPROC_CFI(rfi_real2virt) #ifdef CONFIG_64BIT @@ -238,7 +242,7 @@ rfi_r2v_1: * arg0p points to where saved arg values may be found * iodc_fn is the IODC function to call */ -ENTRY(real64_call_asm) +ENTRY_CFI(real64_call_asm) std %rp, -0x10(%sp) /* save RP */ std %sp, -8(%arg0) /* save SP on real-mode stack */ copy %arg0, %sp /* adopt the real-mode SP */ @@ -284,7 +288,7 @@ r64_ret: ldd -0x10(%sp), %rp /* restore RP */ bv 0(%rp) nop -ENDPROC(real64_call_asm) +ENDPROC_CFI(real64_call_asm) #endif @@ -293,12 +297,12 @@ ENDPROC(real64_call_asm) ** GCC 3.3 and later has a new function in libgcc.a for ** comparing function pointers. */ -ENTRY(__canonicalize_funcptr_for_compare) +ENTRY_CFI(__canonicalize_funcptr_for_compare) #ifdef CONFIG_64BIT bve (%r2) #else bv %r0(%r2) #endif copy %r26,%r28 -ENDPROC(__canonicalize_funcptr_for_compare) +ENDPROC_CFI(__canonicalize_funcptr_for_compare) diff --git a/arch/parisc/lib/fixup.S b/arch/parisc/lib/fixup.S index 1052b74..a5b72f2 100644 --- a/arch/parisc/lib/fixup.S +++ b/arch/parisc/lib/fixup.S @@ -65,34 +65,34 @@ .section .fixup, "ax" /* get_user() fixups, store -EFAULT in r8, and 0 in r9 */ -ENTRY(fixup_get_user_skip_1) +ENTRY_CFI(fixup_get_user_skip_1) get_fault_ip %r1,%r8 ldo 4(%r1), %r1 ldi -EFAULT, %r8 bv %r0(%r1) copy %r0, %r9 -ENDPROC(fixup_get_user_skip_1) +ENDPROC_CFI(fixup_get_user_skip_1) -ENTRY(fixup_get_user_skip_2) +ENTRY_CFI(fixup_get_user_skip_2) get_fault_ip %r1,%r8 ldo 8(%r1), %r1 ldi -EFAULT, %r8 bv %r0(%r1) copy %r0, %r9 -ENDPROC(fixup_get_user_skip_2) +ENDPROC_CFI(fixup_get_user_skip_2) /* put_user() fixups, store -EFAULT in r8 */ -ENTRY(fixup_put_user_skip_1) +ENTRY_CFI(fixup_put_user_skip_1) get_fault_ip %r1,%r8 ldo 4(%r1), %r1 bv %r0(%r1) ldi -EFAULT, %r8 -ENDPROC(fixup_put_user_skip_1) +ENDPROC_CFI(fixup_put_user_skip_1) -ENTRY(fixup_put_user_skip_2) +ENTRY_CFI(fixup_put_user_skip_2) get_fault_ip %r1,%r8 ldo 8(%r1), %r1 bv %r0(%r1) ldi -EFAULT, %r8 -ENDPROC(fixup_put_user_skip_2) +ENDPROC_CFI(fixup_put_user_skip_2) diff --git a/arch/parisc/lib/lusercopy.S b/arch/parisc/lib/lusercopy.S index a512f07..56845de 100644 --- a/arch/parisc/lib/lusercopy.S +++ b/arch/parisc/lib/lusercopy.S @@ -67,7 +67,7 @@ * otherwise, returns number of bytes not transferred. */ -ENTRY(lclear_user) +ENTRY_CFI(lclear_user) .proc .callinfo NO_CALLS .entry @@ -81,7 +81,7 @@ $lclu_done: bv %r0(%r2) copy %r25,%r28 .exit -ENDPROC(lclear_user) +ENDPROC_CFI(lclear_user) .section .fixup,"ax" 2: fixup_branch $lclu_done @@ -100,7 +100,7 @@ ENDPROC(lclear_user) * else strlen + 1 (i.e. includes zero byte). */ -ENTRY(lstrnlen_user) +ENTRY_CFI(lstrnlen_user) .proc .callinfo NO_CALLS .entry @@ -120,7 +120,7 @@ $lslen_done: $lslen_nzero: b $lslen_done ldo 1(%r26),%r26 /* special case for N == 0 */ -ENDPROC(lstrnlen_user) +ENDPROC_CFI(lstrnlen_user) .section .fixup,"ax" 3: fixup_branch $lslen_done -- To unsubscribe from this list: send the line "unsubscribe linux-parisc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
