Re: [PATCH v8 01/17] h8300: Assembly headers.

[Tobias Klauser]

On 2015-04-20 at 08:13:17 +0200, Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx> wrote:
[...]
> diff --git a/arch/h8300/include/asm/elf.h b/arch/h8300/include/asm/elf.h
> new file mode 100644
> index 0000000..09031d0
> --- /dev/null
> +++ b/arch/h8300/include/asm/elf.h
> @@ -0,0 +1,101 @@
> +#ifndef __ASM_H8300_ELF_H
> +#define __ASM_H8300_ELF_H
> +
> +/*
> + * ELF register definitions..
> + */
> +
> +#include <asm/ptrace.h>
> +#include <asm/user.h>
> +
> +typedef unsigned long elf_greg_t;
> +
> +#define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t))
> +typedef elf_greg_t elf_gregset_t[ELF_NGREG];
> +typedef unsigned long elf_fpregset_t;
> +
> +/*
> + * This is used to ensure we don't load something for the wrong architecture.
> + */
> +#define elf_check_arch(x) ((x)->e_machine == EM_H8_300)

EM_H8_300 is used here but only introduced in patch 15/17. Please change
the order of the patches such that the patch adding EM_H8_300 comes
before the ones using it.

> +
> +/*
> + * These are used to set parameters in the core dumps.
> + */
> +#define ELF_CLASS	ELFCLASS32
> +#define ELF_DATA	ELFDATA2MSB
> +#define ELF_ARCH	EM_H8_300

It's used here again.

> +#if defined(CONFIG_CPU_H8300H)
> +#define ELF_CORE_EFLAGS 0x810000
> +#endif
> +#if defined(CONFIG_CPU_H8S)
> +#define ELF_CORE_EFLAGS 0x820000
> +#endif
> +
> +#define ELF_PLAT_INIT(_r) do { (_r)->er1 = 0; } while (0)
> +
> +#define ELF_EXEC_PAGESIZE	4096
> +
> +/* This is the location that an ET_DYN program is loaded if exec'ed.  Typical
> +   use of this is to invoke "./ld.so someprog" to test out a new version of
> +   the loader.  We need to make sure that it is out of the way of the program
> +   that it will "exec", and that there is sufficient room for the brk.  */
> +
> +#define ELF_ET_DYN_BASE         0xD0000000UL
> +
> +/* This yields a mask that user programs can use to figure out what
> +   instruction set this cpu supports.  */
> +
> +#define ELF_HWCAP	(0)
> +
> +/* This yields a string that ld.so will use to load implementation
> +   specific libraries for optimization.  This is more specific in
> +   intent than poking at uname or /proc/cpuinfo.  */
> +
> +#define ELF_PLATFORM  (NULL)
> +
> +#define R_H8_NONE       0
> +#define R_H8_DIR32      1
> +#define R_H8_DIR32_28   2
> +#define R_H8_DIR32_24   3
> +#define R_H8_DIR32_16   4
> +#define R_H8_DIR32U     6
> +#define R_H8_DIR32U_28  7
> +#define R_H8_DIR32U_24  8
> +#define R_H8_DIR32U_20  9
> +#define R_H8_DIR32U_16 10
> +#define R_H8_DIR24     11
> +#define R_H8_DIR24_20  12
> +#define R_H8_DIR24_16  13
> +#define R_H8_DIR24U    14
> +#define R_H8_DIR24U_20 15
> +#define R_H8_DIR24U_16 16
> +#define R_H8_DIR16     17
> +#define R_H8_DIR16U    18
> +#define R_H8_DIR16S_32 19
> +#define R_H8_DIR16S_28 20
> +#define R_H8_DIR16S_24 21
> +#define R_H8_DIR16S_20 22
> +#define R_H8_DIR16S    23
> +#define R_H8_DIR8      24
> +#define R_H8_DIR8U     25
> +#define R_H8_DIR8Z_32  26
> +#define R_H8_DIR8Z_28  27
> +#define R_H8_DIR8Z_24  28
> +#define R_H8_DIR8Z_20  29
> +#define R_H8_DIR8Z_16  30
> +#define R_H8_PCREL16   31
> +#define R_H8_PCREL8    32
> +#define R_H8_BPOS      33
> +#define R_H8_PCREL32   34
> +#define R_H8_GOT32O    35
> +#define R_H8_GOT16O    36
> +#define R_H8_DIR16A8   59
> +#define R_H8_DIR16R8   60
> +#define R_H8_DIR24A8   61
> +#define R_H8_DIR24R8   62
> +#define R_H8_DIR32A16  63
> +#define R_H8_ABS32     65
> +#define R_H8_ABS32A16 127
> +
> +#endif
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