When setting the base address to something else than 0x400000, ld will insert a
large (some 1MiB) hole right after the elf header. This is not directly a
problem, except if some third-party program (e.g. grub) relies on finding
secondary headers (e.g. the multiboot header) early in the file.
Example linker script:
OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64",
"elf64-x86-64")
OUTPUT_ARCH(i386:x86-64)
ENTRY(_start)
SECTIONS
{
. = 0x100000 + SIZEOF_HEADERS;
.text : { *(*) }
}
--
Summary: Large, appareantly useless block of zeros inserted after
elf header
Product: binutils
Version: 2.17
Status: NEW
Severity: normal
Priority: P2
Component: ld
AssignedTo: unassigned at sources dot redhat dot com
ReportedBy: e_mc_h2 at web dot de
CC: bug-binutils at gnu dot org
GCC build triplet: x86_64-unknown-linux-gnu
GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu
http://sourceware.org/bugzilla/show_bug.cgi?id=4463
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