From 93ed3970114983543bbebd195bef65db84444ea2 Mon Sep 17 00:00:00 2001 From: Catalin Marinas Date: Thu, 28 Aug 2008 11:22:32 +0100 Subject: [ARM] 5227/1: Add the ENDPROC declarations to the .S files This declaration specifies the "function" type and size for various assembly functions, mainly needed for generating the correct branch instructions in Thumb-2. Signed-off-by: Catalin Marinas Signed-off-by: Russell King --- arch/arm/kernel/debug.S | 5 +++++ arch/arm/kernel/entry-armv.S | 16 ++++++++++++++++ arch/arm/kernel/entry-common.S | 25 +++++++++++++++++++++++-- arch/arm/kernel/head-common.S | 19 ++++++++++--------- arch/arm/kernel/head-nommu.S | 4 ++-- arch/arm/kernel/head.S | 12 ++++++------ 6 files changed, 62 insertions(+), 19 deletions(-) (limited to 'arch/arm/kernel') diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S index 9550ff0ddde4..f53c58290543 100644 --- a/arch/arm/kernel/debug.S +++ b/arch/arm/kernel/debug.S @@ -89,10 +89,12 @@ ENTRY(printhex8) mov r1, #8 b printhex +ENDPROC(printhex8) ENTRY(printhex4) mov r1, #4 b printhex +ENDPROC(printhex4) ENTRY(printhex2) mov r1, #2 @@ -110,6 +112,7 @@ printhex: adr r2, hexbuf bne 1b mov r0, r2 b printascii +ENDPROC(printhex2) .ltorg @@ -127,11 +130,13 @@ ENTRY(printascii) teqne r1, #0 bne 1b mov pc, lr +ENDPROC(printascii) ENTRY(printch) addruart r3 mov r1, r0 mov r0, #0 b 1b +ENDPROC(printch) hexbuf: .space 16 diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index 617e509d60df..77b047475539 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -76,14 +76,17 @@ __pabt_invalid: inv_entry BAD_PREFETCH b common_invalid +ENDPROC(__pabt_invalid) __dabt_invalid: inv_entry BAD_DATA b common_invalid +ENDPROC(__dabt_invalid) __irq_invalid: inv_entry BAD_IRQ b common_invalid +ENDPROC(__irq_invalid) __und_invalid: inv_entry BAD_UNDEFINSTR @@ -107,6 +110,7 @@ common_invalid: mov r0, sp b bad_mode +ENDPROC(__und_invalid) /* * SVC mode handlers @@ -192,6 +196,7 @@ __dabt_svc: ldr r0, [sp, #S_PSR] msr spsr_cxsf, r0 ldmia sp, {r0 - pc}^ @ load r0 - pc, cpsr +ENDPROC(__dabt_svc) .align 5 __irq_svc: @@ -223,6 +228,7 @@ __irq_svc: bleq trace_hardirqs_on #endif ldmia sp, {r0 - pc}^ @ load r0 - pc, cpsr +ENDPROC(__irq_svc) .ltorg @@ -272,6 +278,7 @@ __und_svc: ldr lr, [sp, #S_PSR] @ Get SVC cpsr msr spsr_cxsf, lr ldmia sp, {r0 - pc}^ @ Restore SVC registers +ENDPROC(__und_svc) .align 5 __pabt_svc: @@ -313,6 +320,7 @@ __pabt_svc: ldr r0, [sp, #S_PSR] msr spsr_cxsf, r0 ldmia sp, {r0 - pc}^ @ load r0 - pc, cpsr +ENDPROC(__pabt_svc) .align 5 .LCcralign: @@ -412,6 +420,7 @@ __dabt_usr: mov r2, sp adr lr, ret_from_exception b do_DataAbort +ENDPROC(__dabt_usr) .align 5 __irq_usr: @@ -441,6 +450,7 @@ __irq_usr: mov why, #0 b ret_to_user +ENDPROC(__irq_usr) .ltorg @@ -474,6 +484,7 @@ __und_usr: #else b __und_usr_unknown #endif +ENDPROC(__und_usr) @ @ fallthrough to call_fpe @@ -642,6 +653,7 @@ __und_usr_unknown: mov r0, sp adr lr, ret_from_exception b do_undefinstr +ENDPROC(__und_usr_unknown) .align 5 __pabt_usr: @@ -666,6 +678,8 @@ ENTRY(ret_from_exception) get_thread_info tsk mov why, #0 b ret_to_user +ENDPROC(__pabt_usr) +ENDPROC(ret_from_exception) /* * Register switch for ARMv3 and ARMv4 processors @@ -702,6 +716,7 @@ ENTRY(__switch_to) bl atomic_notifier_call_chain mov r0, r5 ldmia r4, {r4 - sl, fp, sp, pc} @ Load all regs saved previously +ENDPROC(__switch_to) __INIT @@ -1029,6 +1044,7 @@ vector_\name: mov r0, sp ldr lr, [pc, lr, lsl #2] movs pc, lr @ branch to handler in SVC mode +ENDPROC(vector_\name) .endm .globl __stubs_start diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index 060d7e2e9f64..3aa14dcc5bab 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -77,6 +77,7 @@ no_work_pending: mov r0, r0 add sp, sp, #S_FRAME_SIZE - S_PC movs pc, lr @ return & move spsr_svc into cpsr +ENDPROC(ret_to_user) /* * This is how we return from a fork. @@ -92,7 +93,7 @@ ENTRY(ret_from_fork) mov r0, #1 @ trace exit [IP = 1] bl syscall_trace b ret_slow_syscall - +ENDPROC(ret_from_fork) .equ NR_syscalls,0 #define CALL(x) .equ NR_syscalls,NR_syscalls+1 @@ -269,6 +270,7 @@ ENTRY(vector_swi) eor r0, scno, #__NR_SYSCALL_BASE @ put OS number back bcs arm_syscall b sys_ni_syscall @ not private func +ENDPROC(vector_swi) /* * This is the really slow path. We're going to be doing @@ -326,7 +328,6 @@ ENTRY(sys_call_table) */ @ r0 = syscall number @ r8 = syscall table - .type sys_syscall, #function sys_syscall: bic scno, r0, #__NR_OABI_SYSCALL_BASE cmp scno, #__NR_syscall - __NR_SYSCALL_BASE @@ -338,53 +339,65 @@ sys_syscall: movlo r3, r4 ldrlo pc, [tbl, scno, lsl #2] b sys_ni_syscall +ENDPROC(sys_syscall) sys_fork_wrapper: add r0, sp, #S_OFF b sys_fork +ENDPROC(sys_fork_wrapper) sys_vfork_wrapper: add r0, sp, #S_OFF b sys_vfork +ENDPROC(sys_vfork_wrapper) sys_execve_wrapper: add r3, sp, #S_OFF b sys_execve +ENDPROC(sys_execve_wrapper) sys_clone_wrapper: add ip, sp, #S_OFF str ip, [sp, #4] b sys_clone +ENDPROC(sys_clone_wrapper) sys_sigsuspend_wrapper: add r3, sp, #S_OFF b sys_sigsuspend +ENDPROC(sys_sigsuspend_wrapper) sys_rt_sigsuspend_wrapper: add r2, sp, #S_OFF b sys_rt_sigsuspend +ENDPROC(sys_rt_sigsuspend_wrapper) sys_sigreturn_wrapper: add r0, sp, #S_OFF b sys_sigreturn +ENDPROC(sys_sigreturn_wrapper) sys_rt_sigreturn_wrapper: add r0, sp, #S_OFF b sys_rt_sigreturn +ENDPROC(sys_rt_sigreturn_wrapper) sys_sigaltstack_wrapper: ldr r2, [sp, #S_OFF + S_SP] b do_sigaltstack +ENDPROC(sys_sigaltstack_wrapper) sys_statfs64_wrapper: teq r1, #88 moveq r1, #84 b sys_statfs64 +ENDPROC(sys_statfs64_wrapper) sys_fstatfs64_wrapper: teq r1, #88 moveq r1, #84 b sys_fstatfs64 +ENDPROC(sys_fstatfs64_wrapper) /* * Note: off_4k (r5) is always units of 4K. If we can't do the requested @@ -402,11 +415,14 @@ sys_mmap2: str r5, [sp, #4] b do_mmap2 #endif +ENDPROC(sys_mmap2) ENTRY(pabort_ifar) mrc p15, 0, r0, cr6, cr0, 2 ENTRY(pabort_noifar) mov pc, lr +ENDPROC(pabort_ifar) +ENDPROC(pabort_noifar) #ifdef CONFIG_OABI_COMPAT @@ -417,26 +433,31 @@ ENTRY(pabort_noifar) sys_oabi_pread64: stmia sp, {r3, r4} b sys_pread64 +ENDPROC(sys_oabi_pread64) sys_oabi_pwrite64: stmia sp, {r3, r4} b sys_pwrite64 +ENDPROC(sys_oabi_pwrite64) sys_oabi_truncate64: mov r3, r2 mov r2, r1 b sys_truncate64 +ENDPROC(sys_oabi_truncate64) sys_oabi_ftruncate64: mov r3, r2 mov r2, r1 b sys_ftruncate64 +ENDPROC(sys_oabi_ftruncate64) sys_oabi_readahead: str r3, [sp] mov r3, r2 mov r2, r1 b sys_readahead +ENDPROC(sys_oabi_readahead) /* * Let's declare a second syscall table for old ABI binaries diff --git a/arch/arm/kernel/head-common.S b/arch/arm/kernel/head-common.S index 1c3c6ea5f9e7..bde52df1c668 100644 --- a/arch/arm/kernel/head-common.S +++ b/arch/arm/kernel/head-common.S @@ -36,7 +36,6 @@ __switch_data: * r2 = atags pointer * r9 = processor ID */ - .type __mmap_switched, %function __mmap_switched: adr r3, __switch_data + 4 @@ -59,6 +58,7 @@ __mmap_switched: bic r4, r0, #CR_A @ Clear 'A' bit stmia r7, {r0, r4} @ Save control register values b start_kernel +ENDPROC(__mmap_switched) /* * Exception handling. Something went wrong and we can't proceed. We @@ -69,8 +69,6 @@ __mmap_switched: * and hope for the best (useful if bootloader fails to pass a proper * machine ID for example). */ - - .type __error_p, %function __error_p: #ifdef CONFIG_DEBUG_LL adr r0, str_p1 @@ -84,8 +82,8 @@ str_p1: .asciz "\nError: unrecognized/unsupported processor variant (0x" str_p2: .asciz ").\n" .align #endif +ENDPROC(__error_p) - .type __error_a, %function __error_a: #ifdef CONFIG_DEBUG_LL mov r4, r1 @ preserve machine ID @@ -115,13 +113,14 @@ __error_a: adr r0, str_a3 bl printascii b __error +ENDPROC(__error_a) + str_a1: .asciz "\nError: unrecognized/unsupported machine ID (r1 = 0x" str_a2: .asciz ").\n\nAvailable machine support:\n\nID (hex)\tNAME\n" str_a3: .asciz "\nPlease check your kernel config and/or bootloader.\n" .align #endif - .type __error, %function __error: #ifdef CONFIG_ARCH_RPC /* @@ -138,6 +137,7 @@ __error: #endif 1: mov r0, r0 b 1b +ENDPROC(__error) /* @@ -153,7 +153,6 @@ __error: * r5 = proc_info pointer in physical address space * r9 = cpuid (preserved) */ - .type __lookup_processor_type, %function __lookup_processor_type: adr r3, 3f ldmda r3, {r5 - r7} @@ -169,6 +168,7 @@ __lookup_processor_type: blo 1b mov r5, #0 @ unknown processor 2: mov pc, lr +ENDPROC(__lookup_processor_type) /* * This provides a C-API version of the above function. @@ -179,6 +179,7 @@ ENTRY(lookup_processor_type) bl __lookup_processor_type mov r0, r5 ldmfd sp!, {r4 - r7, r9, pc} +ENDPROC(lookup_processor_type) /* * Look in and arch/arm/kernel/arch.[ch] for @@ -201,7 +202,6 @@ ENTRY(lookup_processor_type) * r3, r4, r6 corrupted * r5 = mach_info pointer in physical address space */ - .type __lookup_machine_type, %function __lookup_machine_type: adr r3, 3b ldmia r3, {r4, r5, r6} @@ -216,6 +216,7 @@ __lookup_machine_type: blo 1b mov r5, #0 @ unknown machine 2: mov pc, lr +ENDPROC(__lookup_machine_type) /* * This provides a C-API version of the above function. @@ -226,6 +227,7 @@ ENTRY(lookup_machine_type) bl __lookup_machine_type mov r0, r5 ldmfd sp!, {r4 - r6, pc} +ENDPROC(lookup_machine_type) /* Determine validity of the r2 atags pointer. The heuristic requires * that the pointer be aligned, in the first 16k of physical RAM and @@ -239,8 +241,6 @@ ENTRY(lookup_machine_type) * r2 either valid atags pointer, or zero * r5, r6 corrupted */ - - .type __vet_atags, %function __vet_atags: tst r2, #0x3 @ aligned? bne 1f @@ -257,3 +257,4 @@ __vet_atags: 1: mov r2, #0 mov pc, lr +ENDPROC(__vet_atags) diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S index 27329bd32037..cc87e1765ed2 100644 --- a/arch/arm/kernel/head-nommu.S +++ b/arch/arm/kernel/head-nommu.S @@ -33,7 +33,6 @@ * */ .section ".text.head", "ax" - .type stext, %function ENTRY(stext) msr cpsr_c, #PSR_F_BIT | PSR_I_BIT | SVC_MODE @ ensure svc mode @ and irqs disabled @@ -53,11 +52,11 @@ ENTRY(stext) @ the initialization is done adr lr, __after_proc_init @ return (PIC) address add pc, r10, #PROCINFO_INITFUNC +ENDPROC(stext) /* * Set the Control Register and Read the process ID. */ - .type __after_proc_init, %function __after_proc_init: #ifdef CONFIG_CPU_CP15 mrc p15, 0, r0, c1, c0, 0 @ read control reg @@ -85,6 +84,7 @@ __after_proc_init: mov pc, r13 @ clear the BSS and jump @ to start_kernel +ENDPROC(__after_proc_init) .ltorg #include "head-common.S" diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index bff4c6e90dd5..21e17dc94cb5 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -75,7 +75,6 @@ * circumstances, zImage) is for. */ .section ".text.head", "ax" - .type stext, %function ENTRY(stext) msr cpsr_c, #PSR_F_BIT | PSR_I_BIT | SVC_MODE @ ensure svc mode @ and irqs disabled @@ -100,9 +99,9 @@ ENTRY(stext) @ mmu has been enabled adr lr, __enable_mmu @ return (PIC) address add pc, r10, #PROCINFO_INITFUNC +ENDPROC(stext) #if defined(CONFIG_SMP) - .type secondary_startup, #function ENTRY(secondary_startup) /* * Common entry point for secondary CPUs. @@ -128,6 +127,7 @@ ENTRY(secondary_startup) adr lr, __enable_mmu @ return address add pc, r10, #PROCINFO_INITFUNC @ initialise processor @ (return control reg) +ENDPROC(secondary_startup) /* * r6 = &secondary_data @@ -136,6 +136,7 @@ ENTRY(__secondary_switched) ldr sp, [r7, #4] @ get secondary_data.stack mov fp, #0 b secondary_start_kernel +ENDPROC(__secondary_switched) .type __secondary_data, %object __secondary_data: @@ -151,7 +152,6 @@ __secondary_data: * this is just loading the page table pointer and domain access * registers. */ - .type __enable_mmu, %function __enable_mmu: #ifdef CONFIG_ALIGNMENT_TRAP orr r0, r0, #CR_A @@ -174,6 +174,7 @@ __enable_mmu: mcr p15, 0, r5, c3, c0, 0 @ load domain access register mcr p15, 0, r4, c2, c0, 0 @ load page table pointer b __turn_mmu_on +ENDPROC(__enable_mmu) /* * Enable the MMU. This completely changes the structure of the visible @@ -187,7 +188,6 @@ __enable_mmu: * other registers depend on the function called upon completion */ .align 5 - .type __turn_mmu_on, %function __turn_mmu_on: mov r0, r0 mcr p15, 0, r0, c1, c0, 0 @ write control reg @@ -195,7 +195,7 @@ __turn_mmu_on: mov r3, r3 mov r3, r3 mov pc, r13 - +ENDPROC(__turn_mmu_on) /* @@ -211,7 +211,6 @@ __turn_mmu_on: * r0, r3, r6, r7 corrupted * r4 = physical page table address */ - .type __create_page_tables, %function __create_page_tables: pgtbl r4 @ page table address @@ -325,6 +324,7 @@ __create_page_tables: #endif #endif mov pc, lr +ENDPROC(__create_page_tables) .ltorg #include "head-common.S" -- cgit v1.2.3