/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * 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" * */ #ifndef _UAPI_ASM_IA64_PTRACE_H #define _UAPI_ASM_IA64_PTRACE_H /* * 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> #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) */ }; /* 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 /* _UAPI_ASM_IA64_PTRACE_H */
Name | Type | Size | Permission | Actions |
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Kbuild | File | 125 B | 0644 |
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auxvec.h | File | 407 B | 0644 |
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bitsperlong.h | File | 234 B | 0644 |
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break.h | File | 538 B | 0644 |
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byteorder.h | File | 203 B | 0644 |
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cmpxchg.h | File | 4.11 KB | 0644 |
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errno.h | File | 94 B | 0644 |
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fcntl.h | File | 388 B | 0644 |
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fpu.h | File | 2.22 KB | 0644 |
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gcc_intrin.h | File | 18.07 KB | 0644 |
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ia64regs.h | File | 2.81 KB | 0644 |
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intel_intrin.h | File | 4.88 KB | 0644 |
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intrinsics.h | File | 4.06 KB | 0644 |
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ioctl.h | File | 94 B | 0644 |
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ioctls.h | File | 183 B | 0644 |
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ipcbuf.h | File | 95 B | 0644 |
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mman.h | File | 388 B | 0644 |
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msgbuf.h | File | 930 B | 0644 |
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param.h | File | 670 B | 0644 |
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perfmon.h | File | 6.2 KB | 0644 |
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perfmon_default_smpl.h | File | 3.47 KB | 0644 |
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poll.h | File | 93 B | 0644 |
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posix_types.h | File | 268 B | 0644 |
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ptrace.h | File | 8.1 KB | 0644 |
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ptrace_offsets.h | File | 6.38 KB | 0644 |
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resource.h | File | 215 B | 0644 |
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rse.h | File | 1.71 KB | 0644 |
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sembuf.h | File | 678 B | 0644 |
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setup.h | File | 924 B | 0644 |
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shmbuf.h | File | 1.09 KB | 0644 |
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sigcontext.h | File | 3.07 KB | 0644 |
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siginfo.h | File | 3.06 KB | 0644 |
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signal.h | File | 3.32 KB | 0644 |
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socket.h | File | 2.33 KB | 0644 |
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sockios.h | File | 559 B | 0644 |
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stat.h | File | 1.1 KB | 0644 |
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statfs.h | File | 555 B | 0644 |
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swab.h | File | 781 B | 0644 |
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termbits.h | File | 4.75 KB | 0644 |
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termios.h | File | 1.21 KB | 0644 |
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types.h | File | 866 B | 0644 |
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ucontext.h | File | 360 B | 0644 |
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unistd.h | File | 9.85 KB | 0644 |
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ustack.h | File | 296 B | 0644 |
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