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78 lines
2.3 KiB
78 lines
2.3 KiB
20 years ago
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#ifndef __ASMARM_ELF_H
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#define __ASMARM_ELF_H
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/*
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* ELF register definitions..
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*/
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#include <asm/ptrace.h>
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#include <asm/procinfo.h>
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//FIXME - is it always 32K ?
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#define ELF_EXEC_PAGESIZE 32768
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#define SET_PERSONALITY(ex,ibcs2) set_personality(PER_LINUX)
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typedef unsigned long elf_greg_t;
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typedef unsigned long elf_freg_t[3];
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#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
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typedef elf_greg_t elf_gregset_t[ELF_NGREG];
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typedef struct { void *null; } elf_fpregset_t;
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/*
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* This is used to ensure we don't load something for the wrong architecture.
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* We can only execute 26-bit code.
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*/
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#define EM_ARM 40
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#define EF_ARM_APCS26 0x08
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//#define elf_check_arch(x) ( ((x)->e_machine == EM_ARM) && ((x)->e_flags & EF_ARM_APCS26) ) FIXME!!!!! - this looks OK, but the flags seem to be wrong.
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#define elf_check_arch(x) (1)
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/*
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* These are used to set parameters in the core dumps.
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*/
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#define ELF_CLASS ELFCLASS32
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#define ELF_DATA ELFDATA2LSB;
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#define ELF_ARCH EM_ARM
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#define USE_ELF_CORE_DUMP
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/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
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use of this is to invoke "./ld.so someprog" to test out a new version of
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the loader. We need to make sure that it is out of the way of the program
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that it will "exec", and that there is sufficient room for the brk. */
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#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
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/* When the program starts, a1 contains a pointer to a function to be
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registered with atexit, as per the SVR4 ABI. A value of 0 means we
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have no such handler. */
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#define ELF_PLAT_INIT(_r, load_addr) (_r)->ARM_r0 = 0
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/* This yields a mask that user programs can use to figure out what
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instruction set this cpu supports. */
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extern unsigned int elf_hwcap;
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#define ELF_HWCAP (elf_hwcap)
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/* This yields a string that ld.so will use to load implementation
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specific libraries for optimization. This is more specific in
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intent than poking at uname or /proc/cpuinfo. */
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/* For now we just provide a fairly general string that describes the
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processor family. This could be made more specific later if someone
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implemented optimisations that require it. 26-bit CPUs give you
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"v1l" for ARM2 (no SWP) and "v2l" for anything else (ARM1 isn't
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supported).
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*/
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#define ELF_PLATFORM_SIZE 8
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extern char elf_platform[];
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#define ELF_PLATFORM (elf_platform)
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#endif
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