d807d911fe
It's Elf specifics. To not mess with segment alignment. Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
108 lines
4.1 KiB
C
108 lines
4.1 KiB
C
/* ----------------------------------------------------------------------- *
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*
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* Copyright 1996-2009 The NASM Authors - All Rights Reserved
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* See the file AUTHORS included with the NASM distribution for
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* the specific copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following
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* conditions are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ----------------------------------------------------------------------- */
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/*
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* Internal definitions common to outelf32 and outelf64
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*/
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#ifndef OUTPUT_OUTELF_H
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#define OUTPUT_OUTELF_H
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#include "output/elf.h"
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/* symbol binding */
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#define SYM_GLOBAL ELF32_ST_MKBIND(STB_GLOBAL)
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#define SYM_LOCAL ELF32_ST_MKBIND(STB_LOCAL)
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#define GLOBAL_TEMP_BASE 0x40000000 /* bigger than any sane symbol index */
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/* alignment of sections in file */
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#define SEC_FILEALIGN 16
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/* this stuff is needed for the stabs debugging format */
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#define TY_STABSSYMLIN 0x40 /* ouch */
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/* this stuff is needed for the dwarf debugging format */
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#define TY_DEBUGSYMLIN 0x40 /* internal call to debug_out */
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/* Known sections with nonstandard defaults */
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struct elf_known_section {
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const char *name; /* Name of section */
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int type; /* Section type (SHT_) */
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uint32_t flags; /* Section flags (SHF_) */
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uint32_t align; /* Section alignment */
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};
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extern const struct elf_known_section elf_known_sections[];
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/*
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* Special ELF sections (after the real sections but before debugging ones)
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*/
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#define sec_shstrtab (nsects + 1)
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#define sec_symtab (nsects + 2)
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#define sec_strtab (nsects + 3)
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#define sec_numspecial 3
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/*
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* Debugging ELF sections (last in the file)
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*/
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/* stabs */
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#define sec_stab (nsections-3)
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#define sec_stabstr (nsections-2)
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#define sec_rel_stab (nsections-1)
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/* dwarf */
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#define sec_debug_aranges (nsections-10)
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#define sec_rela_debug_aranges (nsections-9)
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#define sec_debug_pubnames (nsections-8)
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#define sec_debug_info (nsections-7)
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#define sec_rela_debug_info (nsections-6)
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#define sec_debug_abbrev (nsections-5)
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#define sec_debug_line (nsections-4)
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#define sec_rela_debug_line (nsections-3)
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#define sec_debug_frame (nsections-2)
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#define sec_debug_loc (nsections-1)
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void section_attrib(char *name, char *attr, int pass,
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uint32_t *flags_and, uint32_t *flags_or,
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uint64_t *align, int *type);
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#define WRITE_STAB(p,n_strx,n_type,n_other,n_desc,n_value) \
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do { \
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WRITELONG(p, n_strx); \
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WRITECHAR(p, n_type); \
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WRITECHAR(p, n_other); \
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WRITESHORT(p, n_desc); \
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WRITELONG(p, n_value); \
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} while (0)
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#endif /* OUTPUT_OUTELF_H */
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