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-rw-r--r--arch/arm/kernel/asm-offsets.c116
1 files changed, 116 insertions, 0 deletions
diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c
new file mode 100644
index 0000000..4a88125
--- /dev/null
+++ b/arch/arm/kernel/asm-offsets.c
@@ -0,0 +1,116 @@
+/*
+ * Copyright (C) 1995-2003 Russell King
+ * 2001-2002 Keith Owens
+ *
+ * Generate definitions needed by assembly language modules.
+ * This code generates raw asm output which is post-processed to extract
+ * and format the required data.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <asm/mach/arch.h>
+#include <asm/thread_info.h>
+#include <asm/memory.h>
+#include <asm/procinfo.h>
+#include <linux/kbuild.h>
+
+/*
+ * Make sure that the compiler and target are compatible.
+ */
+#if defined(__APCS_26__)
+#error Sorry, your compiler targets APCS-26 but this kernel requires APCS-32
+#endif
+/*
+ * GCC 3.0, 3.1: general bad code generation.
+ * GCC 3.2.0: incorrect function argument offset calculation.
+ * GCC 3.2.x: miscompiles NEW_AUX_ENT in fs/binfmt_elf.c
+ * (http://gcc.gnu.org/PR8896) and incorrect structure
+ * initialisation in fs/jffs2/erase.c
+ */
+#if (__GNUC__ == 3 && __GNUC_MINOR__ < 3)
+#error Your compiler is too buggy; it is known to miscompile kernels.
+#error Known good compilers: 3.3
+#endif
+
+int main(void)
+{
+ DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
+ BLANK();
+ DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
+ DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
+ DEFINE(TI_ADDR_LIMIT, offsetof(struct thread_info, addr_limit));
+ DEFINE(TI_TASK, offsetof(struct thread_info, task));
+ DEFINE(TI_EXEC_DOMAIN, offsetof(struct thread_info, exec_domain));
+ DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
+ DEFINE(TI_CPU_DOMAIN, offsetof(struct thread_info, cpu_domain));
+ DEFINE(TI_CPU_SAVE, offsetof(struct thread_info, cpu_context));
+ DEFINE(TI_USED_CP, offsetof(struct thread_info, used_cp));
+ DEFINE(TI_TP_VALUE, offsetof(struct thread_info, tp_value));
+ DEFINE(TI_FPSTATE, offsetof(struct thread_info, fpstate));
+ DEFINE(TI_VFPSTATE, offsetof(struct thread_info, vfpstate));
+#ifdef CONFIG_ARM_THUMBEE
+ DEFINE(TI_THUMBEE_STATE, offsetof(struct thread_info, thumbee_state));
+#endif
+#ifdef CONFIG_IWMMXT
+ DEFINE(TI_IWMMXT_STATE, offsetof(struct thread_info, fpstate.iwmmxt));
+#endif
+#ifdef CONFIG_CRUNCH
+ DEFINE(TI_CRUNCH_STATE, offsetof(struct thread_info, crunchstate));
+#endif
+ BLANK();
+ DEFINE(S_R0, offsetof(struct pt_regs, ARM_r0));
+ DEFINE(S_R1, offsetof(struct pt_regs, ARM_r1));
+ DEFINE(S_R2, offsetof(struct pt_regs, ARM_r2));
+ DEFINE(S_R3, offsetof(struct pt_regs, ARM_r3));
+ DEFINE(S_R4, offsetof(struct pt_regs, ARM_r4));
+ DEFINE(S_R5, offsetof(struct pt_regs, ARM_r5));
+ DEFINE(S_R6, offsetof(struct pt_regs, ARM_r6));
+ DEFINE(S_R7, offsetof(struct pt_regs, ARM_r7));
+ DEFINE(S_R8, offsetof(struct pt_regs, ARM_r8));
+ DEFINE(S_R9, offsetof(struct pt_regs, ARM_r9));
+ DEFINE(S_R10, offsetof(struct pt_regs, ARM_r10));
+ DEFINE(S_FP, offsetof(struct pt_regs, ARM_fp));
+ DEFINE(S_IP, offsetof(struct pt_regs, ARM_ip));
+ DEFINE(S_SP, offsetof(struct pt_regs, ARM_sp));
+ DEFINE(S_LR, offsetof(struct pt_regs, ARM_lr));
+ DEFINE(S_PC, offsetof(struct pt_regs, ARM_pc));
+ DEFINE(S_PSR, offsetof(struct pt_regs, ARM_cpsr));
+ DEFINE(S_OLD_R0, offsetof(struct pt_regs, ARM_ORIG_r0));
+ DEFINE(S_FRAME_SIZE, sizeof(struct pt_regs));
+ BLANK();
+#ifdef CONFIG_CPU_HAS_ASID
+ DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id));
+ BLANK();
+#endif
+ DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm));
+ DEFINE(VMA_VM_FLAGS, offsetof(struct vm_area_struct, vm_flags));
+ BLANK();
+ DEFINE(VM_EXEC, VM_EXEC);
+ BLANK();
+ DEFINE(PAGE_SZ, PAGE_SIZE);
+ BLANK();
+ DEFINE(SYS_ERROR0, 0x9f0000);
+ BLANK();
+ DEFINE(SIZEOF_MACHINE_DESC, sizeof(struct machine_desc));
+ DEFINE(MACHINFO_TYPE, offsetof(struct machine_desc, nr));
+ DEFINE(MACHINFO_NAME, offsetof(struct machine_desc, name));
+ DEFINE(MACHINFO_PHYSIO, offsetof(struct machine_desc, phys_io));
+ DEFINE(MACHINFO_PGOFFIO, offsetof(struct machine_desc, io_pg_offst));
+ BLANK();
+ DEFINE(PROC_INFO_SZ, sizeof(struct proc_info_list));
+ DEFINE(PROCINFO_INITFUNC, offsetof(struct proc_info_list, __cpu_flush));
+ DEFINE(PROCINFO_MM_MMUFLAGS, offsetof(struct proc_info_list, __cpu_mm_mmu_flags));
+ DEFINE(PROCINFO_IO_MMUFLAGS, offsetof(struct proc_info_list, __cpu_io_mmu_flags));
+ BLANK();
+#ifdef MULTI_DABORT
+ DEFINE(PROCESSOR_DABT_FUNC, offsetof(struct processor, _data_abort));
+#endif
+#ifdef MULTI_PABORT
+ DEFINE(PROCESSOR_PABT_FUNC, offsetof(struct processor, _prefetch_abort));
+#endif
+ return 0;
+}
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