diff options
Diffstat (limited to 'arch/xtensa/kernel/asm-offsets.c')
| -rw-r--r-- | arch/xtensa/kernel/asm-offsets.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/arch/xtensa/kernel/asm-offsets.c b/arch/xtensa/kernel/asm-offsets.c new file mode 100644 index 000000000..120dd746a --- /dev/null +++ b/arch/xtensa/kernel/asm-offsets.c @@ -0,0 +1,149 @@ +/* + * arch/xtensa/kernel/asm-offsets.c + * + * Generates definitions from c-type structures used by assembly sources. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2005 Tensilica Inc. + * + * Chris Zankel <chris@zankel.net> + */ + +#include <asm/processor.h> +#include <asm/coprocessor.h> + +#include <linux/types.h> +#include <linux/stddef.h> +#include <linux/thread_info.h> +#include <linux/ptrace.h> +#include <linux/mm.h> +#include <linux/kbuild.h> + +#include <asm/ptrace.h> +#include <asm/traps.h> +#include <linux/uaccess.h> + +int main(void) +{ + /* struct pt_regs */ + DEFINE(PT_PC, offsetof (struct pt_regs, pc)); + DEFINE(PT_PS, offsetof (struct pt_regs, ps)); + DEFINE(PT_DEPC, offsetof (struct pt_regs, depc)); + DEFINE(PT_EXCCAUSE, offsetof (struct pt_regs, exccause)); + DEFINE(PT_EXCVADDR, offsetof (struct pt_regs, excvaddr)); + DEFINE(PT_DEBUGCAUSE, offsetof (struct pt_regs, debugcause)); + DEFINE(PT_WMASK, offsetof (struct pt_regs, wmask)); + DEFINE(PT_LBEG, offsetof (struct pt_regs, lbeg)); + DEFINE(PT_LEND, offsetof (struct pt_regs, lend)); + DEFINE(PT_LCOUNT, offsetof (struct pt_regs, lcount)); + DEFINE(PT_SAR, offsetof (struct pt_regs, sar)); + DEFINE(PT_ICOUNTLEVEL, offsetof (struct pt_regs, icountlevel)); + DEFINE(PT_SYSCALL, offsetof (struct pt_regs, syscall)); + DEFINE(PT_SCOMPARE1, offsetof(struct pt_regs, scompare1)); + DEFINE(PT_THREADPTR, offsetof(struct pt_regs, threadptr)); + DEFINE(PT_AREG, offsetof (struct pt_regs, areg[0])); + DEFINE(PT_AREG0, offsetof (struct pt_regs, areg[0])); + DEFINE(PT_AREG1, offsetof (struct pt_regs, areg[1])); + DEFINE(PT_AREG2, offsetof (struct pt_regs, areg[2])); + DEFINE(PT_AREG3, offsetof (struct pt_regs, areg[3])); + DEFINE(PT_AREG4, offsetof (struct pt_regs, areg[4])); + DEFINE(PT_AREG5, offsetof (struct pt_regs, areg[5])); + DEFINE(PT_AREG6, offsetof (struct pt_regs, areg[6])); + DEFINE(PT_AREG7, offsetof (struct pt_regs, areg[7])); + DEFINE(PT_AREG8, offsetof (struct pt_regs, areg[8])); + DEFINE(PT_AREG9, offsetof (struct pt_regs, areg[9])); + DEFINE(PT_AREG10, offsetof (struct pt_regs, areg[10])); + DEFINE(PT_AREG11, offsetof (struct pt_regs, areg[11])); + DEFINE(PT_AREG12, offsetof (struct pt_regs, areg[12])); + DEFINE(PT_AREG13, offsetof (struct pt_regs, areg[13])); + DEFINE(PT_AREG14, offsetof (struct pt_regs, areg[14])); + DEFINE(PT_AREG15, offsetof (struct pt_regs, areg[15])); + DEFINE(PT_WINDOWBASE, offsetof (struct pt_regs, windowbase)); + DEFINE(PT_WINDOWSTART, offsetof(struct pt_regs, windowstart)); + DEFINE(PT_SIZE, sizeof(struct pt_regs)); + DEFINE(PT_AREG_END, offsetof (struct pt_regs, areg[XCHAL_NUM_AREGS])); + DEFINE(PT_USER_SIZE, offsetof(struct pt_regs, areg[XCHAL_NUM_AREGS])); + DEFINE(PT_XTREGS_OPT, offsetof(struct pt_regs, xtregs_opt)); + DEFINE(XTREGS_OPT_SIZE, sizeof(xtregs_opt_t)); + + /* struct task_struct */ + DEFINE(TASK_PTRACE, offsetof (struct task_struct, ptrace)); + DEFINE(TASK_MM, offsetof (struct task_struct, mm)); + DEFINE(TASK_ACTIVE_MM, offsetof (struct task_struct, active_mm)); + DEFINE(TASK_PID, offsetof (struct task_struct, pid)); + DEFINE(TASK_THREAD, offsetof (struct task_struct, thread)); + DEFINE(TASK_THREAD_INFO, offsetof (struct task_struct, stack)); +#ifdef CONFIG_STACKPROTECTOR + DEFINE(TASK_STACK_CANARY, offsetof(struct task_struct, stack_canary)); +#endif + DEFINE(TASK_STRUCT_SIZE, sizeof (struct task_struct)); + + /* offsets in thread_info struct */ + OFFSET(TI_TASK, thread_info, task); + OFFSET(TI_FLAGS, thread_info, flags); + OFFSET(TI_STSTUS, thread_info, status); + OFFSET(TI_CPU, thread_info, cpu); + OFFSET(TI_PRE_COUNT, thread_info, preempt_count); + OFFSET(TI_ADDR_LIMIT, thread_info, addr_limit); + + /* struct thread_info (offset from start_struct) */ + DEFINE(THREAD_RA, offsetof (struct task_struct, thread.ra)); + DEFINE(THREAD_SP, offsetof (struct task_struct, thread.sp)); + DEFINE(THREAD_CPENABLE, offsetof (struct thread_info, cpenable)); +#if XTENSA_HAVE_COPROCESSORS + DEFINE(THREAD_XTREGS_CP0, offsetof(struct thread_info, xtregs_cp.cp0)); + DEFINE(THREAD_XTREGS_CP1, offsetof(struct thread_info, xtregs_cp.cp1)); + DEFINE(THREAD_XTREGS_CP2, offsetof(struct thread_info, xtregs_cp.cp2)); + DEFINE(THREAD_XTREGS_CP3, offsetof(struct thread_info, xtregs_cp.cp3)); + DEFINE(THREAD_XTREGS_CP4, offsetof(struct thread_info, xtregs_cp.cp4)); + DEFINE(THREAD_XTREGS_CP5, offsetof(struct thread_info, xtregs_cp.cp5)); + DEFINE(THREAD_XTREGS_CP6, offsetof(struct thread_info, xtregs_cp.cp6)); + DEFINE(THREAD_XTREGS_CP7, offsetof(struct thread_info, xtregs_cp.cp7)); +#endif + DEFINE(THREAD_XTREGS_USER, offsetof (struct thread_info, xtregs_user)); + DEFINE(XTREGS_USER_SIZE, sizeof(xtregs_user_t)); + DEFINE(THREAD_CURRENT_DS, offsetof (struct task_struct, \ + thread.current_ds)); + + /* struct mm_struct */ + DEFINE(MM_USERS, offsetof(struct mm_struct, mm_users)); + DEFINE(MM_PGD, offsetof (struct mm_struct, pgd)); + DEFINE(MM_CONTEXT, offsetof (struct mm_struct, context)); + + /* struct page */ + DEFINE(PAGE_FLAGS, offsetof(struct page, flags)); + + /* constants */ + DEFINE(_CLONE_VM, CLONE_VM); + DEFINE(_CLONE_UNTRACED, CLONE_UNTRACED); + DEFINE(PG_ARCH_1, PG_arch_1); + + /* struct debug_table */ + DEFINE(DT_DEBUG_EXCEPTION, + offsetof(struct debug_table, debug_exception)); + DEFINE(DT_DEBUG_SAVE, offsetof(struct debug_table, debug_save)); +#ifdef CONFIG_HAVE_HW_BREAKPOINT + DEFINE(DT_DBREAKC_SAVE, offsetof(struct debug_table, dbreakc_save)); + DEFINE(DT_ICOUNT_SAVE, offsetof(struct debug_table, icount_save)); + DEFINE(DT_ICOUNT_LEVEL_SAVE, + offsetof(struct debug_table, icount_level_save)); +#endif + + /* struct exc_table */ + DEFINE(EXC_TABLE_KSTK, offsetof(struct exc_table, kstk)); + DEFINE(EXC_TABLE_DOUBLE_SAVE, offsetof(struct exc_table, double_save)); + DEFINE(EXC_TABLE_FIXUP, offsetof(struct exc_table, fixup)); + DEFINE(EXC_TABLE_PARAM, offsetof(struct exc_table, fixup_param)); + DEFINE(EXC_TABLE_SYSCALL_SAVE, + offsetof(struct exc_table, syscall_save)); + DEFINE(EXC_TABLE_FAST_USER, + offsetof(struct exc_table, fast_user_handler)); + DEFINE(EXC_TABLE_FAST_KERNEL, + offsetof(struct exc_table, fast_kernel_handler)); + DEFINE(EXC_TABLE_DEFAULT, offsetof(struct exc_table, default_handler)); + + return 0; +} |