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Diffstat (limited to 'arch/xtensa/kernel/asm-offsets.c')
| -rw-r--r-- | arch/xtensa/kernel/asm-offsets.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/arch/xtensa/kernel/asm-offsets.c b/arch/xtensa/kernel/asm-offsets.c new file mode 100644 index 00000000000..840cd9a1d3d --- /dev/null +++ b/arch/xtensa/kernel/asm-offsets.c @@ -0,0 +1,94 @@ +/* + * 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 <linux/types.h> +#include <linux/sched.h> +#include <linux/stddef.h> +#include <linux/thread_info.h> +#include <linux/ptrace.h> +#include <asm/ptrace.h> +#include <asm/processor.h> +#include <asm/uaccess.h> + +#define DEFINE(sym, val) asm volatile("\n->" #sym " %0 " #val : : "i" (val)) +#define BLANK() asm volatile("\n->" : : ) + +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_SYSCALL, offsetof (struct pt_regs, syscall)); + 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])); + BLANK(); + + /* 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, thread_info)); + DEFINE(TASK_STRUCT_SIZE, sizeof (struct task_struct)); + BLANK(); + + /* 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_CP_SAVE, offsetof (struct task_struct, thread.cp_save)); + DEFINE(THREAD_CURRENT_DS, offsetof (struct task_struct, thread.current_ds)); + BLANK(); + + /* 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)); + BLANK(); + DEFINE(PT_SINGLESTEP_BIT, PT_SINGLESTEP_BIT); + return 0; +} + + |