Christian Kroll
11 years ago
4 changed files with 484 additions and 86 deletions
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/* Script for ld -pie: link position independent executable */ |
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OUTPUT_FORMAT("elf32-i386", "elf32-i386", |
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"elf32-i386") |
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OUTPUT_ARCH(i386) |
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SEARCH_DIR("/usr/lib"); |
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SECTIONS |
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*(.gnu.warning) |
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/* Ensure the __preinit_array_start label is properly aligned. We |
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could instead move the label definition inside the section, but |
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the linker would then create the section even if it turns out to |
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be empty, which isn't pretty. */ |
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/* gcc uses crtbegin.o to find the start of |
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the constructors, so we make sure it is |
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first. Because this is a wildcard, it |
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doesn't matter if the user does not |
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actually link against crtbegin.o; the |
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linker won't look for a file to match a |
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wildcard. The wildcard also means that it |
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doesn't matter which directory crtbegin.o |
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is in. */ |
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/* We don't want to include the .ctor section from |
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from the crtend.o file until after the sorted ctors. |
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KEEP (*(SORT(.ctors.*))) |
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KEEP (*(.ctors)) |
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} |
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KEEP (*(.dtors)) |
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. = ALIGN(32 / 8); |
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} |
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/DISCARD/ : { *(.note.GNU-stack) } |
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} |
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@ -0,0 +1,193 @@ |
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/* Default linker script, for normal executables */ |
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OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", |
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"elf64-x86-64") |
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OUTPUT_ARCH(i386:x86-64) |
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ENTRY(_start) |
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SEARCH_DIR("/usr/lib"); |
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/* Do we need any of these for elf? |
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__DYNAMIC = 0; */ |
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SECTIONS |
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{ |
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/* Read-only sections, merged into text segment: */ |
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/* Ensure the __preinit_array_start label is properly aligned. We |
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could instead move the label definition inside the section, but |
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the linker would then create the section even if it turns out to |
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be empty, which isn't pretty. */ |
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. = ALIGN(64 / 8); |
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the constructors, so we make sure it is |
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first. Because this is a wildcard, it |
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doesn't matter if the user does not |
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actually link against crtbegin.o; the |
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linker won't look for a file to match a |
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wildcard. The wildcard also means that it |
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doesn't matter which directory crtbegin.o |
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is in. */ |
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KEEP (*crtbegin*.o(.ctors)) |
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/* We don't want to include the .ctor section from |
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from the crtend.o file until after the sorted ctors. |
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The .ctor section from the crtend file contains the |
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KEEP (*(.ctors)) |
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.dtors : |
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{ |
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KEEP (*(SORT(.dtors.*))) |
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KEEP (*(.dtors)) |
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/DISCARD/ : { *(.note.GNU-stack) } |
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} |
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