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786d35d45c
Use the mapping of Elf_[SPE]hdr, Elf_Addr, Elf_Sym, Elf_Dyn, Elf_Rel/Rela,
ELF_R_TYPE() and ELF_R_SYM() to either the 32-bit version or the 64-bit version
into asm-generic/module.h for all arches bar MIPS.
Also, use the generic definition mod_arch_specific where possible.
To this end, I've defined three new config bools:
(*) HAVE_MOD_ARCH_SPECIFIC
Arches define this if they don't want to use the empty generic
mod_arch_specific struct.
(*) MODULES_USE_ELF_RELA
Arches define this if their modules can contain RELA records. This causes
the Elf_Rela mapping to be emitted and allows apply_relocate_add() to be
defined by the arch rather than have the core emit an error message.
(*) MODULES_USE_ELF_REL
Arches define this if their modules can contain REL records. This causes
the Elf_Rel mapping to be emitted and allows apply_relocate() to be
defined by the arch rather than have the core emit an error message.
Note that it is possible to allow both REL and RELA records: m68k and mips are
two arches that do this.
With this, some arch asm/module.h files can be deleted entirely and replaced
with a generic-y marker in the arch Kbuild file.
Additionally, I have removed the bits from m32r and score that handle the
unsupported type of relocation record as that's now handled centrally.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
42 lines
966 B
C
42 lines
966 B
C
#ifndef _ASM_SH_MODULE_H
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#define _ASM_SH_MODULE_H
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#include <asm-generic/module.h>
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#ifdef CONFIG_DWARF_UNWINDER
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struct mod_arch_specific {
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struct list_head fde_list;
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struct list_head cie_list;
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};
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#endif
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#ifdef CONFIG_CPU_LITTLE_ENDIAN
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# ifdef CONFIG_CPU_SH2
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# define MODULE_PROC_FAMILY "SH2LE "
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# elif defined CONFIG_CPU_SH3
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# define MODULE_PROC_FAMILY "SH3LE "
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# elif defined CONFIG_CPU_SH4
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# define MODULE_PROC_FAMILY "SH4LE "
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# elif defined CONFIG_CPU_SH5
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# define MODULE_PROC_FAMILY "SH5LE "
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# else
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# error unknown processor family
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# endif
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#else
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# ifdef CONFIG_CPU_SH2
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# define MODULE_PROC_FAMILY "SH2BE "
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# elif defined CONFIG_CPU_SH3
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# define MODULE_PROC_FAMILY "SH3BE "
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# elif defined CONFIG_CPU_SH4
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# define MODULE_PROC_FAMILY "SH4BE "
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# elif defined CONFIG_CPU_SH5
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# define MODULE_PROC_FAMILY "SH5BE "
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# else
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# error unknown processor family
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# endif
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#endif
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#define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY
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#endif /* _ASM_SH_MODULE_H */
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