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5 Commits

Author SHA1 Message Date
Rui Ueyama 69960baad5 ELF2: Write .interp section on the first page in the exectuable. 
Previously, we reserved the first page for the program header, so no
sections would be written to very beginning of the output file.
FreeBSD requires .interp section be exist on the first page, so that
was not good.

This patch calculates the size of the program header and then assign
addresses to the sections. Now the first section is located next to
the program header. Because the first section is .interp, it's very
likely to be on the first page.

llvm-svn: 249957
 2015-10-10 23:25:39 +00:00
Rui Ueyama bf3fd7c9a0 ELF2: Emit a PT_PHDR header as the first entry of the program header. 
PT_PHDR entry points to the program header itself.

llvm-svn: 249839
 2015-10-09 15:31:49 +00:00
Rui Ueyama 60fe7fcc6b ELF2: Use ld.lld2 instead of lld -flavor gnu2. 
llvm-svn: 249573
 2015-10-07 17:31:39 +00:00
Michael J. Spencer 879b597b9d [elf2] Extend program-header-layout.s to check that read only sections are correctly merged into the first PT_LOAD. 
llvm-svn: 247947
 2015-09-17 21:19:56 +00:00
Michael J. Spencer 2f0082424f [elf2] Combine adjacent compatible OutputSections in PT_LOADs. 
llvm-svn: 247925
 2015-09-17 19:58:07 +00:00