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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_CRIS_USER_H
#define __ASM_CRIS_USER_H

#include <linux/types.h>
#include <asm/ptrace.h>
#include <asm/page.h>
#include <arch/user.h>

/*
 * Core file format: The core file is written in such a way that gdb
 * can understand it and provide useful information to the user (under
 * linux we use the `trad-core' bfd).  The file contents are as follows:
 *
 *  upage: 1 page consisting of a user struct that tells gdb
 *	what is present in the file.  Directly after this is a
 *	copy of the task_struct, which is currently not used by gdb,
 *	but it may come in handy at some point.  All of the registers
 *	are stored as part of the upage.  The upage should always be
 *	only one page long.
 *  data: The data segment follows next.  We use current->end_text to
 *	current->brk to pick up all of the user variables, plus any memory
 *	that may have been sbrk'ed.  No attempt is made to determine if a
 *	page is demand-zero or if a page is totally unused, we just cover
 *	the entire range.  All of the addresses are rounded in such a way
 *	that an integral number of pages is written.
 *  stack: We need the stack information in order to get a meaningful
 *	backtrace.  We need to write the data from usp to
 *	current->start_stack, so we round each of these in order to be able
 *	to write an integer number of pages.
 */
        
struct user {
	struct user_regs_struct	regs;		/* entire machine state */
	size_t		u_tsize;		/* text size (pages) */
	size_t		u_dsize;		/* data size (pages) */
	size_t		u_ssize;		/* stack size (pages) */
	unsigned long	start_code;		/* text starting address */
	unsigned long	start_data;		/* data starting address */
	unsigned long	start_stack;		/* stack starting address */
	long int	signal;			/* signal causing core dump */
	unsigned long	u_ar0;			/* help gdb find registers */
	unsigned long	magic;			/* identifies a core file */
	char		u_comm[32];		/* user command name */
};

#define NBPG			PAGE_SIZE
#define UPAGES			1
#define HOST_TEXT_START_ADDR	(u.start_code)
#define HOST_DATA_START_ADDR	(u.start_data)
#define HOST_STACK_END_ADDR	(u.start_stack + u.u_ssize * NBPG)

#endif /* __ASM_CRIS_USER_H */

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Name Type Size Permission Actions
Kbuild File 729 B 0644
asm-offsets.h File 35 B 0644
axisflashmap.h File 1.92 KB 0644
bitops.h File 1.27 KB 0644
bug.h File 108 B 0644
bugs.h File 300 B 0644
cache.h File 133 B 0644
cacheflush.h File 1.3 KB 0644
checksum.h File 2.01 KB 0644
delay.h File 537 B 0644
dma-mapping.h File 399 B 0644
dma.h File 458 B 0644
eshlibld.h File 3.49 KB 0644
etraxi2c.h File 1019 B 0644
fasttimer.h File 1.12 KB 0644
fb.h File 244 B 0644
ftrace.h File 12 B 0644
hw_irq.h File 53 B 0644
io.h File 732 B 0644
irq.h File 194 B 0644
irqflags.h File 27 B 0644
mmu.h File 155 B 0644
mmu_context.h File 927 B 0644
page.h File 2.52 KB 0644
pci.h File 1.05 KB 0644
pgalloc.h File 1.36 KB 0644
pgtable.h File 9.58 KB 0644
processor.h File 1.82 KB 0644
ptrace.h File 393 B 0644
segment.h File 148 B 0644
serial.h File 211 B 0644
shmparam.h File 232 B 0644
signal.h File 505 B 0644
stacktrace.h File 213 B 0644
string.h File 508 B 0644
swab.h File 159 B 0644
switch_to.h File 449 B 0644
termios.h File 1.71 KB 0644
thread_info.h File 2.47 KB 0644
timex.h File 433 B 0644
tlb.h File 453 B 0644
tlbflush.h File 1.09 KB 0644
uaccess.h File 9.59 KB 0644
ucontext.h File 322 B 0644
unaligned.h File 345 B 0644
unistd.h File 972 B 0644
user.h File 2.14 KB 0644