cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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elf.h (2723B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2
      3#ifndef __ASM_CSKY_ELF_H
      4#define __ASM_CSKY_ELF_H
      5
      6#include <asm/ptrace.h>
      7#include <abi/regdef.h>
      8
      9#define ELF_ARCH EM_CSKY
     10#define EM_CSKY_OLD 39
     11
     12/* CSKY Relocations */
     13#define R_CSKY_NONE               0
     14#define R_CSKY_32                 1
     15#define R_CSKY_PCIMM8BY4          2
     16#define R_CSKY_PCIMM11BY2         3
     17#define R_CSKY_PCIMM4BY2          4
     18#define R_CSKY_PC32               5
     19#define R_CSKY_PCRELJSR_IMM11BY2  6
     20#define R_CSKY_GNU_VTINHERIT      7
     21#define R_CSKY_GNU_VTENTRY        8
     22#define R_CSKY_RELATIVE           9
     23#define R_CSKY_COPY               10
     24#define R_CSKY_GLOB_DAT           11
     25#define R_CSKY_JUMP_SLOT          12
     26#define R_CSKY_ADDR_HI16          24
     27#define R_CSKY_ADDR_LO16          25
     28#define R_CSKY_PCRELJSR_IMM26BY2  40
     29
     30typedef unsigned long elf_greg_t;
     31
     32typedef struct user_fp elf_fpregset_t;
     33
     34/*
     35 * In gdb/bfd elf32-csky.c, csky_elf_grok_prstatus() use fixed size of
     36 * elf_prstatus. It's 148 for abiv1 and 220 for abiv2, the size is enough
     37 * for coredump and no need full sizeof(struct pt_regs).
     38 */
     39#define ELF_NGREG ((sizeof(struct pt_regs) / sizeof(elf_greg_t)) - 2)
     40
     41typedef elf_greg_t elf_gregset_t[ELF_NGREG];
     42
     43/*
     44 * This is used to ensure we don't load something for the wrong architecture.
     45 */
     46#define elf_check_arch(x) (((x)->e_machine == ELF_ARCH) || \
     47			   ((x)->e_machine == EM_CSKY_OLD))
     48
     49/*
     50 * These are used to set parameters in the core dumps.
     51 */
     52#define ELF_EXEC_PAGESIZE		4096
     53#define ELF_CLASS			ELFCLASS32
     54#define ELF_PLAT_INIT(_r, load_addr)	{ _r->a0 = 0; }
     55
     56#ifdef __cskyBE__
     57#define ELF_DATA	ELFDATA2MSB
     58#else
     59#define ELF_DATA	ELFDATA2LSB
     60#endif
     61
     62/*
     63 * This is the location that an ET_DYN program is loaded if exec'ed. Typical
     64 * use of this is to invoke "./ld.so someprog" to test out a new version of
     65 * the loader.  We need to make sure that it is out of the way of the program
     66 * that it will "exec", and that there is sufficient room for the brk.
     67 */
     68#define ELF_ET_DYN_BASE	0x0UL
     69#include <abi/elf.h>
     70
     71/* Similar, but for a thread other than current. */
     72struct task_struct;
     73extern int dump_task_regs(struct task_struct *tsk, elf_gregset_t *elf_regs);
     74#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
     75
     76#define ELF_HWCAP	(0)
     77
     78/*
     79 * This yields a string that ld.so will use to load implementation specific
     80 * libraries for optimization. This is more specific in intent than poking
     81 * at uname or /proc/cpuinfo.
     82 */
     83#define ELF_PLATFORM		(NULL)
     84#define SET_PERSONALITY(ex)	set_personality(PER_LINUX)
     85
     86#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
     87struct linux_binprm;
     88extern int arch_setup_additional_pages(struct linux_binprm *bprm,
     89				       int uses_interp);
     90#endif /* __ASM_CSKY_ELF_H */