mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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1da177e4c3
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
60 lines
2.2 KiB
C
60 lines
2.2 KiB
C
#ifndef _ASM_M32R_USER_H
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#define _ASM_M32R_USER_H
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/* $Id$ */
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/* orig : sh 2.4.18
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* mod : remove fpu registers
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*/
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#include <linux/types.h>
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#include <asm/processor.h>
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#include <asm/ptrace.h>
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#include <asm/page.h>
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/*
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* Core file format: The core file is written in such a way that gdb
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* can understand it and provide useful information to the user (under
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* linux we use the `trad-core' bfd).
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*
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* The actual file contents are as follows:
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* UPAGE: 1 page consisting of a user struct that tells gdb
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* what is present in the file. Directly after this is a
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* copy of the task_struct, which is currently not used by gdb,
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* but it may come in handy at some point. All of the registers
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* are stored as part of the upage. The upage should always be
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* only one page.
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* DATA: The data area is stored. We use current->end_text to
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* current->brk to pick up all of the user variables, plus any memory
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* that may have been sbrk'ed. No attempt is made to determine if a
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* page is demand-zero or if a page is totally unused, we just cover
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* the entire range. All of the addresses are rounded in such a way
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* that an integral number of pages is written.
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* STACK: We need the stack information in order to get a meaningful
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* backtrace. We need to write the data from usp to
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* current->start_stack, so we round each of these off in order to be
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* able to write an integer number of pages.
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*/
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struct user {
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struct pt_regs regs; /* entire machine state */
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size_t u_tsize; /* text size (pages) */
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size_t u_dsize; /* data size (pages) */
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size_t u_ssize; /* stack size (pages) */
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unsigned long start_code; /* text starting address */
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unsigned long start_data; /* data starting address */
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unsigned long start_stack; /* stack starting address */
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long int signal; /* signal causing core dump */
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struct regs * u_ar0; /* help gdb find registers */
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unsigned long magic; /* identifies a core file */
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char u_comm[32]; /* user command name */
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};
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#define NBPG PAGE_SIZE
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#define UPAGES 1
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#define HOST_TEXT_START_ADDR (u.start_code)
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#define HOST_DATA_START_ADDR (u.start_data)
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#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
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#endif /* _ASM_M32R_USER_H */
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