summaryrefslogtreecommitdiff
path: root/include/asm-ia64/ptrace.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-ia64/ptrace.h')
-rw-r--r--include/asm-ia64/ptrace.h364
1 files changed, 0 insertions, 364 deletions
diff --git a/include/asm-ia64/ptrace.h b/include/asm-ia64/ptrace.h
deleted file mode 100644
index 15f8dcfe6eee..000000000000
--- a/include/asm-ia64/ptrace.h
+++ /dev/null
@@ -1,364 +0,0 @@
-#ifndef _ASM_IA64_PTRACE_H
-#define _ASM_IA64_PTRACE_H
-
-/*
- * Copyright (C) 1998-2004 Hewlett-Packard Co
- * David Mosberger-Tang <davidm@hpl.hp.com>
- * Stephane Eranian <eranian@hpl.hp.com>
- * Copyright (C) 2003 Intel Co
- * Suresh Siddha <suresh.b.siddha@intel.com>
- * Fenghua Yu <fenghua.yu@intel.com>
- * Arun Sharma <arun.sharma@intel.com>
- *
- * 12/07/98 S. Eranian added pt_regs & switch_stack
- * 12/21/98 D. Mosberger updated to match latest code
- * 6/17/99 D. Mosberger added second unat member to "struct switch_stack"
- *
- */
-/*
- * When a user process is blocked, its state looks as follows:
- *
- * +----------------------+ ------- IA64_STK_OFFSET
- * | | ^
- * | struct pt_regs | |
- * | | |
- * +----------------------+ |
- * | | |
- * | memory stack | |
- * | (growing downwards) | |
- * //.....................// |
- * |
- * //.....................// |
- * | | |
- * +----------------------+ |
- * | struct switch_stack | |
- * | | |
- * +----------------------+ |
- * | | |
- * //.....................// |
- * |
- * //.....................// |
- * | | |
- * | register stack | |
- * | (growing upwards) | |
- * | | |
- * +----------------------+ | --- IA64_RBS_OFFSET
- * | struct thread_info | | ^
- * +----------------------+ | |
- * | | | |
- * | struct task_struct | | |
- * current -> | | | |
- * +----------------------+ -------
- *
- * Note that ar.ec is not saved explicitly in pt_reg or switch_stack.
- * This is because ar.ec is saved as part of ar.pfs.
- */
-
-
-#include <asm/fpu.h>
-
-#ifdef __KERNEL__
-#ifndef ASM_OFFSETS_C
-#include <asm/asm-offsets.h>
-#endif
-
-/*
- * Base-2 logarithm of number of pages to allocate per task structure
- * (including register backing store and memory stack):
- */
-#if defined(CONFIG_IA64_PAGE_SIZE_4KB)
-# define KERNEL_STACK_SIZE_ORDER 3
-#elif defined(CONFIG_IA64_PAGE_SIZE_8KB)
-# define KERNEL_STACK_SIZE_ORDER 2
-#elif defined(CONFIG_IA64_PAGE_SIZE_16KB)
-# define KERNEL_STACK_SIZE_ORDER 1
-#else
-# define KERNEL_STACK_SIZE_ORDER 0
-#endif
-
-#define IA64_RBS_OFFSET ((IA64_TASK_SIZE + IA64_THREAD_INFO_SIZE + 31) & ~31)
-#define IA64_STK_OFFSET ((1 << KERNEL_STACK_SIZE_ORDER)*PAGE_SIZE)
-
-#define KERNEL_STACK_SIZE IA64_STK_OFFSET
-
-#endif /* __KERNEL__ */
-
-#ifndef __ASSEMBLY__
-
-/*
- * This struct defines the way the registers are saved on system
- * calls.
- *
- * We don't save all floating point register because the kernel
- * is compiled to use only a very small subset, so the other are
- * untouched.
- *
- * THIS STRUCTURE MUST BE A MULTIPLE 16-BYTE IN SIZE
- * (because the memory stack pointer MUST ALWAYS be aligned this way)
- *
- */
-struct pt_regs {
- /* The following registers are saved by SAVE_MIN: */
- unsigned long b6; /* scratch */
- unsigned long b7; /* scratch */
-
- unsigned long ar_csd; /* used by cmp8xchg16 (scratch) */
- unsigned long ar_ssd; /* reserved for future use (scratch) */
-
- unsigned long r8; /* scratch (return value register 0) */
- unsigned long r9; /* scratch (return value register 1) */
- unsigned long r10; /* scratch (return value register 2) */
- unsigned long r11; /* scratch (return value register 3) */
-
- unsigned long cr_ipsr; /* interrupted task's psr */
- unsigned long cr_iip; /* interrupted task's instruction pointer */
- /*
- * interrupted task's function state; if bit 63 is cleared, it
- * contains syscall's ar.pfs.pfm:
- */
- unsigned long cr_ifs;
-
- unsigned long ar_unat; /* interrupted task's NaT register (preserved) */
- unsigned long ar_pfs; /* prev function state */
- unsigned long ar_rsc; /* RSE configuration */
- /* The following two are valid only if cr_ipsr.cpl > 0 || ti->flags & _TIF_MCA_INIT */
- unsigned long ar_rnat; /* RSE NaT */
- unsigned long ar_bspstore; /* RSE bspstore */
-
- unsigned long pr; /* 64 predicate registers (1 bit each) */
- unsigned long b0; /* return pointer (bp) */
- unsigned long loadrs; /* size of dirty partition << 16 */
-
- unsigned long r1; /* the gp pointer */
- unsigned long r12; /* interrupted task's memory stack pointer */
- unsigned long r13; /* thread pointer */
-
- unsigned long ar_fpsr; /* floating point status (preserved) */
- unsigned long r15; /* scratch */
-
- /* The remaining registers are NOT saved for system calls. */
-
- unsigned long r14; /* scratch */
- unsigned long r2; /* scratch */
- unsigned long r3; /* scratch */
-
- /* The following registers are saved by SAVE_REST: */
- unsigned long r16; /* scratch */
- unsigned long r17; /* scratch */
- unsigned long r18; /* scratch */
- unsigned long r19; /* scratch */
- unsigned long r20; /* scratch */
- unsigned long r21; /* scratch */
- unsigned long r22; /* scratch */
- unsigned long r23; /* scratch */
- unsigned long r24; /* scratch */
- unsigned long r25; /* scratch */
- unsigned long r26; /* scratch */
- unsigned long r27; /* scratch */
- unsigned long r28; /* scratch */
- unsigned long r29; /* scratch */
- unsigned long r30; /* scratch */
- unsigned long r31; /* scratch */
-
- unsigned long ar_ccv; /* compare/exchange value (scratch) */
-
- /*
- * Floating point registers that the kernel considers scratch:
- */
- struct ia64_fpreg f6; /* scratch */
- struct ia64_fpreg f7; /* scratch */
- struct ia64_fpreg f8; /* scratch */
- struct ia64_fpreg f9; /* scratch */
- struct ia64_fpreg f10; /* scratch */
- struct ia64_fpreg f11; /* scratch */
-};
-
-/*
- * This structure contains the addition registers that need to
- * preserved across a context switch. This generally consists of
- * "preserved" registers.
- */
-struct switch_stack {
- unsigned long caller_unat; /* user NaT collection register (preserved) */
- unsigned long ar_fpsr; /* floating-point status register */
-
- struct ia64_fpreg f2; /* preserved */
- struct ia64_fpreg f3; /* preserved */
- struct ia64_fpreg f4; /* preserved */
- struct ia64_fpreg f5; /* preserved */
-
- struct ia64_fpreg f12; /* scratch, but untouched by kernel */
- struct ia64_fpreg f13; /* scratch, but untouched by kernel */
- struct ia64_fpreg f14; /* scratch, but untouched by kernel */
- struct ia64_fpreg f15; /* scratch, but untouched by kernel */
- struct ia64_fpreg f16; /* preserved */
- struct ia64_fpreg f17; /* preserved */
- struct ia64_fpreg f18; /* preserved */
- struct ia64_fpreg f19; /* preserved */
- struct ia64_fpreg f20; /* preserved */
- struct ia64_fpreg f21; /* preserved */
- struct ia64_fpreg f22; /* preserved */
- struct ia64_fpreg f23; /* preserved */
- struct ia64_fpreg f24; /* preserved */
- struct ia64_fpreg f25; /* preserved */
- struct ia64_fpreg f26; /* preserved */
- struct ia64_fpreg f27; /* preserved */
- struct ia64_fpreg f28; /* preserved */
- struct ia64_fpreg f29; /* preserved */
- struct ia64_fpreg f30; /* preserved */
- struct ia64_fpreg f31; /* preserved */
-
- unsigned long r4; /* preserved */
- unsigned long r5; /* preserved */
- unsigned long r6; /* preserved */
- unsigned long r7; /* preserved */
-
- unsigned long b0; /* so we can force a direct return in copy_thread */
- unsigned long b1;
- unsigned long b2;
- unsigned long b3;
- unsigned long b4;
- unsigned long b5;
-
- unsigned long ar_pfs; /* previous function state */
- unsigned long ar_lc; /* loop counter (preserved) */
- unsigned long ar_unat; /* NaT bits for r4-r7 */
- unsigned long ar_rnat; /* RSE NaT collection register */
- unsigned long ar_bspstore; /* RSE dirty base (preserved) */
- unsigned long pr; /* 64 predicate registers (1 bit each) */
-};
-
-#ifdef __KERNEL__
-
-#include <asm/current.h>
-#include <asm/page.h>
-
-/*
- * We use the ia64_psr(regs)->ri to determine which of the three
- * instructions in bundle (16 bytes) took the sample. Generate
- * the canonical representation by adding to instruction pointer.
- */
-# define instruction_pointer(regs) ((regs)->cr_iip + ia64_psr(regs)->ri)
-
-#define regs_return_value(regs) ((regs)->r8)
-
-/* Conserve space in histogram by encoding slot bits in address
- * bits 2 and 3 rather than bits 0 and 1.
- */
-#define profile_pc(regs) \
-({ \
- unsigned long __ip = instruction_pointer(regs); \
- (__ip & ~3UL) + ((__ip & 3UL) << 2); \
-})
-
- /* given a pointer to a task_struct, return the user's pt_regs */
-# define task_pt_regs(t) (((struct pt_regs *) ((char *) (t) + IA64_STK_OFFSET)) - 1)
-# define ia64_psr(regs) ((struct ia64_psr *) &(regs)->cr_ipsr)
-# define user_mode(regs) (((struct ia64_psr *) &(regs)->cr_ipsr)->cpl != 0)
-# define user_stack(task,regs) ((long) regs - (long) task == IA64_STK_OFFSET - sizeof(*regs))
-# define fsys_mode(task,regs) \
- ({ \
- struct task_struct *_task = (task); \
- struct pt_regs *_regs = (regs); \
- !user_mode(_regs) && user_stack(_task, _regs); \
- })
-
- /*
- * System call handlers that, upon successful completion, need to return a negative value
- * should call force_successful_syscall_return() right before returning. On architectures
- * where the syscall convention provides for a separate error flag (e.g., alpha, ia64,
- * ppc{,64}, sparc{,64}, possibly others), this macro can be used to ensure that the error
- * flag will not get set. On architectures which do not support a separate error flag,
- * the macro is a no-op and the spurious error condition needs to be filtered out by some
- * other means (e.g., in user-level, by passing an extra argument to the syscall handler,
- * or something along those lines).
- *
- * On ia64, we can clear the user's pt_regs->r8 to force a successful syscall.
- */
-# define force_successful_syscall_return() (task_pt_regs(current)->r8 = 0)
-
- struct task_struct; /* forward decl */
- struct unw_frame_info; /* forward decl */
-
- extern void show_regs (struct pt_regs *);
- extern void ia64_do_show_stack (struct unw_frame_info *, void *);
- extern unsigned long ia64_get_user_rbs_end (struct task_struct *, struct pt_regs *,
- unsigned long *);
- extern long ia64_peek (struct task_struct *, struct switch_stack *, unsigned long,
- unsigned long, long *);
- extern long ia64_poke (struct task_struct *, struct switch_stack *, unsigned long,
- unsigned long, long);
- extern void ia64_flush_fph (struct task_struct *);
- extern void ia64_sync_fph (struct task_struct *);
- extern void ia64_sync_krbs(void);
- extern long ia64_sync_user_rbs (struct task_struct *, struct switch_stack *,
- unsigned long, unsigned long);
-
- /* get nat bits for scratch registers such that bit N==1 iff scratch register rN is a NaT */
- extern unsigned long ia64_get_scratch_nat_bits (struct pt_regs *pt, unsigned long scratch_unat);
- /* put nat bits for scratch registers such that scratch register rN is a NaT iff bit N==1 */
- extern unsigned long ia64_put_scratch_nat_bits (struct pt_regs *pt, unsigned long nat);
-
- extern void ia64_increment_ip (struct pt_regs *pt);
- extern void ia64_decrement_ip (struct pt_regs *pt);
-
- extern void ia64_ptrace_stop(void);
- #define arch_ptrace_stop(code, info) \
- ia64_ptrace_stop()
- #define arch_ptrace_stop_needed(code, info) \
- (!test_thread_flag(TIF_RESTORE_RSE))
-
- extern void ptrace_attach_sync_user_rbs (struct task_struct *);
- #define arch_ptrace_attach(child) \
- ptrace_attach_sync_user_rbs(child)
-
- #define arch_has_single_step() (1)
- extern void user_enable_single_step(struct task_struct *);
- extern void user_disable_single_step(struct task_struct *);
-
- #define arch_has_block_step() (1)
- extern void user_enable_block_step(struct task_struct *);
-
-#endif /* !__KERNEL__ */
-
-/* pt_all_user_regs is used for PTRACE_GETREGS PTRACE_SETREGS */
-struct pt_all_user_regs {
- unsigned long nat;
- unsigned long cr_iip;
- unsigned long cfm;
- unsigned long cr_ipsr;
- unsigned long pr;
-
- unsigned long gr[32];
- unsigned long br[8];
- unsigned long ar[128];
- struct ia64_fpreg fr[128];
-};
-
-#endif /* !__ASSEMBLY__ */
-
-/* indices to application-registers array in pt_all_user_regs */
-#define PT_AUR_RSC 16
-#define PT_AUR_BSP 17
-#define PT_AUR_BSPSTORE 18
-#define PT_AUR_RNAT 19
-#define PT_AUR_CCV 32
-#define PT_AUR_UNAT 36
-#define PT_AUR_FPSR 40
-#define PT_AUR_PFS 64
-#define PT_AUR_LC 65
-#define PT_AUR_EC 66
-
-/*
- * The numbers chosen here are somewhat arbitrary but absolutely MUST
- * not overlap with any of the number assigned in <linux/ptrace.h>.
- */
-#define PTRACE_SINGLEBLOCK 12 /* resume execution until next branch */
-#define PTRACE_OLD_GETSIGINFO 13 /* (replaced by PTRACE_GETSIGINFO in <linux/ptrace.h>) */
-#define PTRACE_OLD_SETSIGINFO 14 /* (replaced by PTRACE_SETSIGINFO in <linux/ptrace.h>) */
-#define PTRACE_GETREGS 18 /* get all registers (pt_all_user_regs) in one shot */
-#define PTRACE_SETREGS 19 /* set all registers (pt_all_user_regs) in one shot */
-
-#define PTRACE_OLDSETOPTIONS 21
-
-#endif /* _ASM_IA64_PTRACE_H */
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-18 04:05:28 +0000