FM / asm

/usr/src/linux-headers-5.15.0-181/arch/s390/include/asm/

/usr/src/linux-headers-5.15.0-181/arch/s390/include/asm

Name	Size	Mode	Actions
fpu/	-	0755	rm
trace/	-	0755	rm
vdso/	-	0755	rm
airq.h	3421	0644	edit dl rm
alternative-asm.h	3148	0644	edit dl rm
alternative.h	5742	0644	edit dl rm
ap.h	13098	0644	edit dl rm
appldata.h	1593	0644	edit dl rm
archrandom.h	1319	0644	edit dl rm
asm-const.h	376	0644	edit dl rm
asm-prototypes.h	227	0644	edit dl rm
atomic.h	4225	0644	edit dl rm
atomic_ops.h	5100	0644	edit dl rm
barrier.h	1881	0644	edit dl rm
bitops.h	10153	0644	edit dl rm
boot_data.h	481	0644	edit dl rm
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cache.h	389	0644	edit dl rm
ccwdev.h	8506	0644	edit dl rm
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checksum.h	3352	0644	edit dl rm
chpid.h	979	0644	edit dl rm
chsc.h	1384	0644	edit dl rm
cio.h	9083	0644	edit dl rm
clocksource.h	184	0644	edit dl rm
clp.h	1426	0644	edit dl rm
cmb.h	425	0644	edit dl rm
cmpxchg.h	5195	0644	edit dl rm
compat.h	5333	0644	edit dl rm
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cpcmd.h	1135	0644	edit dl rm
cpu.h	549	0644	edit dl rm
cpufeature.h	958	0644	edit dl rm
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css_chars.h	904	0644	edit dl rm
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current.h	405	0644	edit dl rm
debug.h	14318	0644	edit dl rm
delay.h	647	0644	edit dl rm
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dma.h	456	0644	edit dl rm
dwarf.h	952	0644	edit dl rm
eadm.h	2082	0644	edit dl rm
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elf.h	11210	0644	edit dl rm
entry-common.h	1590	0644	edit dl rm
exec.h	269	0644	edit dl rm
extable.h	2184	0644	edit dl rm
extmem.h	804	0644	edit dl rm
facility.h	2760	0644	edit dl rm
fcx.h	8102	0644	edit dl rm
ftrace.h	1875	0644	edit dl rm
ftrace.lds.h	720	0644	edit dl rm
futex.h	1927	0644	edit dl rm
gmap.h	5760	0644	edit dl rm
hardirq.h	777	0644	edit dl rm
hugetlb.h	2966	0644	edit dl rm
hw_irq.h	210	0644	edit dl rm
idals.h	5317	0644	edit dl rm
idle.h	753	0644	edit dl rm
io.h	2153	0644	edit dl rm
ipl.h	3708	0644	edit dl rm
irq.h	2635	0644	edit dl rm
irqflags.h	1810	0644	edit dl rm
irq_work.h	204	0644	edit dl rm
isc.h	1036	0644	edit dl rm
itcw.h	950	0644	edit dl rm
jump_label.h	1411	0644	edit dl rm
kasan.h	1772	0644	edit dl rm
Kbuild	253	0644	edit dl rm
kdebug.h	386	0644	edit dl rm
kexec.h	2620	0644	edit dl rm
kfence.h	1148	0644	edit dl rm
kprobes.h	2175	0644	edit dl rm
kvm_host.h	27155	0644	edit dl rm
kvm_para.h	3761	0644	edit dl rm
linkage.h	729	0644	edit dl rm
livepatch.h	474	0644	edit dl rm
lowcore.h	6595	0644	edit dl rm
mem_detect.h	2589	0644	edit dl rm
mem_encrypt.h	365	0644	edit dl rm
mmu.h	1515	0644	edit dl rm
mmu_context.h	3491	0644	edit dl rm
mmzone.h	316	0644	edit dl rm
module.h	1209	0644	edit dl rm
nmi.h	3698	0644	edit dl rm
nospec-branch.h	342	0644	edit dl rm
nospec-insn.h	3616	0644	edit dl rm
numa.h	386	0644	edit dl rm
os_info.h	1136	0644	edit dl rm
page-states.h	486	0644	edit dl rm
page.h	5194	0644	edit dl rm
pci.h	8691	0644	edit dl rm
pci_clp.h	5346	0644	edit dl rm
pci_debug.h	608	0644	edit dl rm
pci_dma.h	5541	0644	edit dl rm
pci_insn.h	4089	0644	edit dl rm
pci_io.h	4405	0644	edit dl rm
percpu.h	6638	0644	edit dl rm
perf_event.h	3245	0644	edit dl rm
pgalloc.h	4024	0644	edit dl rm
pgtable.h	51845	0644	edit dl rm
pkey.h	737	0644	edit dl rm
pnet.h	325	0644	edit dl rm
preempt.h	3218	0644	edit dl rm
processor.h	9637	0644	edit dl rm
ptdump.h	255	0644	edit dl rm
ptrace.h	5865	0644	edit dl rm
purgatory.h	329	0644	edit dl rm
qdio.h	10011	0644	edit dl rm
runtime_instr.h	634	0644	edit dl rm
schid.h	525	0644	edit dl rm
sclp.h	4332	0644	edit dl rm
scsw.h	24630	0644	edit dl rm
seccomp.h	808	0644	edit dl rm
sections.h	1357	0644	edit dl rm
serial.h	147	0644	edit dl rm
setup.h	5156	0644	edit dl rm
set_memory.h	989	0644	edit dl rm
shmparam.h	285	0644	edit dl rm
signal.h	644	0644	edit dl rm
sigp.h	1900	0644	edit dl rm
smp.h	1932	0644	edit dl rm
softirq_stack.h	329	0644	edit dl rm
sparsemem.h	214	0644	edit dl rm
spinlock.h	3525	0644	edit dl rm
spinlock_types.h	407	0644	edit dl rm
stacktrace.h	6168	0644	edit dl rm
stp.h	1706	0644	edit dl rm
string.h	5847	0644	edit dl rm
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syscall_wrapper.h	5506	0644	edit dl rm
sysinfo.h	4339	0644	edit dl rm
termios.h	685	0644	edit dl rm
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timex.h	6538	0644	edit dl rm
tlb.h	4296	0644	edit dl rm
tlbflush.h	3233	0644	edit dl rm
topology.h	2876	0644	edit dl rm
tpi.h	736	0644	edit dl rm
types.h	318	0644	edit dl rm
uaccess.h	10049	0644	edit dl rm
unistd.h	1030	0644	edit dl rm
unwind.h	3360	0644	edit dl rm
uprobes.h	588	0644	edit dl rm
user.h	3384	0644	edit dl rm
uv.h	10977	0644	edit dl rm
vdso.h	746	0644	edit dl rm
vga.h	170	0644	edit dl rm
vmalloc.h	90	0644	edit dl rm
vmlinux.lds.h	1167	0644	edit dl rm
vtime.h	718	0644	edit dl rm
vtimer.h	830	0644	edit dl rm
vx-insn.h	13477	0644	edit dl rm
xor.h	454	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/arch/s390/include/asm/ptrace.h (5865B)

/* SPDX-License-Identifier: GPL-2.0 */
/*
 *  S390 version
 *    Copyright IBM Corp. 1999, 2000
 *    Author(s): Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
 */
#ifndef _S390_PTRACE_H
#define _S390_PTRACE_H

#include <linux/bits.h>
#include <uapi/asm/ptrace.h>
#include <asm/tpi.h>

#define PIF_SYSCALL			0	/* inside a system call */
#define PIF_EXECVE_PGSTE_RESTART	1	/* restart execve for PGSTE binaries */
#define PIF_SYSCALL_RET_SET		2	/* return value was set via ptrace */
#define PIF_GUEST_FAULT			3	/* indicates program check in sie64a */

#define _PIF_SYSCALL			BIT(PIF_SYSCALL)
#define _PIF_EXECVE_PGSTE_RESTART	BIT(PIF_EXECVE_PGSTE_RESTART)
#define _PIF_SYSCALL_RET_SET		BIT(PIF_SYSCALL_RET_SET)
#define _PIF_GUEST_FAULT		BIT(PIF_GUEST_FAULT)

#ifndef __ASSEMBLY__

struct psw_bits {
	unsigned long	     :	1;
	unsigned long per    :	1; /* PER-Mask */
	unsigned long	     :	3;
	unsigned long dat    :	1; /* DAT Mode */
	unsigned long io     :	1; /* Input/Output Mask */
	unsigned long ext    :	1; /* External Mask */
	unsigned long key    :	4; /* PSW Key */
	unsigned long	     :	1;
	unsigned long mcheck :	1; /* Machine-Check Mask */
	unsigned long wait   :	1; /* Wait State */
	unsigned long pstate :	1; /* Problem State */
	unsigned long as     :	2; /* Address Space Control */
	unsigned long cc     :	2; /* Condition Code */
	unsigned long pm     :	4; /* Program Mask */
	unsigned long ri     :	1; /* Runtime Instrumentation */
	unsigned long	     :	6;
	unsigned long eaba   :	2; /* Addressing Mode */
	unsigned long	     : 31;
	unsigned long ia     : 64; /* Instruction Address */
};

enum {
	PSW_BITS_AMODE_24BIT = 0,
	PSW_BITS_AMODE_31BIT = 1,
	PSW_BITS_AMODE_64BIT = 3
};

enum {
	PSW_BITS_AS_PRIMARY	= 0,
	PSW_BITS_AS_ACCREG	= 1,
	PSW_BITS_AS_SECONDARY	= 2,
	PSW_BITS_AS_HOME	= 3
};

#define psw_bits(__psw) (*({			\
	typecheck(psw_t, __psw);		\
	&(*(struct psw_bits *)(&(__psw)));	\
}))

#define PGM_INT_CODE_MASK	0x7f
#define PGM_INT_CODE_PER	0x80

/*
 * The pt_regs struct defines the way the registers are stored on
 * the stack during a system call.
 */
struct pt_regs 
{
	union {
		user_pt_regs user_regs;
		struct {
			unsigned long args[1];
			psw_t psw;
			unsigned long gprs[NUM_GPRS];
		};
	};
	unsigned long orig_gpr2;
	union {
		struct {
			unsigned int int_code;
			unsigned int int_parm;
			unsigned long int_parm_long;
		};
		struct tpi_info tpi_info;
	};
	unsigned long flags;
	unsigned long cr1;
};

/*
 * Program event recording (PER) register set.
 */
struct per_regs {
	unsigned long control;		/* PER control bits */
	unsigned long start;		/* PER starting address */
	unsigned long end;		/* PER ending address */
};

/*
 * PER event contains information about the cause of the last PER exception.
 */
struct per_event {
	unsigned short cause;		/* PER code, ATMID and AI */
	unsigned long address;		/* PER address */
	unsigned char paid;		/* PER access identification */
};

/*
 * Simplified per_info structure used to decode the ptrace user space ABI.
 */
struct per_struct_kernel {
	unsigned long cr9;		/* PER control bits */
	unsigned long cr10;		/* PER starting address */
	unsigned long cr11;		/* PER ending address */
	unsigned long bits;		/* Obsolete software bits */
	unsigned long starting_addr;	/* User specified start address */
	unsigned long ending_addr;	/* User specified end address */
	unsigned short perc_atmid;	/* PER trap ATMID */
	unsigned long address;		/* PER trap instruction address */
	unsigned char access_id;	/* PER trap access identification */
};

#define PER_EVENT_MASK			0xEB000000UL

#define PER_EVENT_BRANCH		0x80000000UL
#define PER_EVENT_IFETCH		0x40000000UL
#define PER_EVENT_STORE			0x20000000UL
#define PER_EVENT_STORE_REAL		0x08000000UL
#define PER_EVENT_TRANSACTION_END	0x02000000UL
#define PER_EVENT_NULLIFICATION		0x01000000UL

#define PER_CONTROL_MASK		0x00e00000UL

#define PER_CONTROL_BRANCH_ADDRESS	0x00800000UL
#define PER_CONTROL_SUSPENSION		0x00400000UL
#define PER_CONTROL_ALTERATION		0x00200000UL

static inline void set_pt_regs_flag(struct pt_regs *regs, int flag)
{
	regs->flags |= (1UL << flag);
}

static inline void clear_pt_regs_flag(struct pt_regs *regs, int flag)
{
	regs->flags &= ~(1UL << flag);
}

static inline int test_pt_regs_flag(struct pt_regs *regs, int flag)
{
	return !!(regs->flags & (1UL << flag));
}

static inline int test_and_clear_pt_regs_flag(struct pt_regs *regs, int flag)
{
	int ret = test_pt_regs_flag(regs, flag);

clear_pt_regs_flag(regs, flag);
	return ret;
}

/*
 * These are defined as per linux/ptrace.h, which see.
 */
#define arch_has_single_step()	(1)
#define arch_has_block_step()	(1)

#define user_mode(regs) (((regs)->psw.mask & PSW_MASK_PSTATE) != 0)
#define instruction_pointer(regs) ((regs)->psw.addr)
#define user_stack_pointer(regs)((regs)->gprs[15])
#define profile_pc(regs) instruction_pointer(regs)

static inline long regs_return_value(struct pt_regs *regs)
{
	return regs->gprs[2];
}

static inline void instruction_pointer_set(struct pt_regs *regs,
					   unsigned long val)
{
	regs->psw.addr = val;
}

int regs_query_register_offset(const char *name);
const char *regs_query_register_name(unsigned int offset);
unsigned long regs_get_register(struct pt_regs *regs, unsigned int offset);
unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs, unsigned int n);

static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)
{
	return regs->gprs[15];
}

static inline void regs_set_return_value(struct pt_regs *regs, unsigned long rc)
{
	regs->gprs[2] = rc;
}

#endif /* __ASSEMBLY__ */
#endif /* _S390_PTRACE_H */

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