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Elf32, not shared lib: leave alone the hole between .text and .data

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In theory Linux might put pages there (and that would be a problem),
but postpone closing the gap until more experience.
	modified:   p_lx_elf.cpp
This commit is contained in:
John Reiser
2018-01-28 13:30:10 -08:00
parent be83788666
commit d736da4208
1 changed files with 2 additions and 1 deletions
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src/p_lx_elf.cpp
+2 -1
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@@ -384,9 +384,10 @@ off_t PackLinuxElf32::pack3(OutputFile *fo, Filter &ft)
// between end_text and data, which we wish to prevent // between end_text and data, which we wish to prevent
// because the expanded program will use that space. // because the expanded program will use that space.
// So: pretend 4KiB pages. // So: pretend 4KiB pages.
unsigned const pm = (Elf64_Ehdr::EM_PPC64 == e_machine) unsigned pm = (Elf64_Ehdr::EM_PPC64 == e_machine)
? page_mask // reducing to 4KiB DOES NOT WORK ?? ? page_mask // reducing to 4KiB DOES NOT WORK ??
: ((~(unsigned)0)<<12); : ((~(unsigned)0)<<12);
pm = page_mask; // Revert until consequences can be analyzed
v_hole = pm & (~pm + v_hole + get_te32(&elfout.phdr[0].p_vaddr)); v_hole = pm & (~pm + v_hole + get_te32(&elfout.phdr[0].p_vaddr));
set_te32(&elfout.phdr[1].p_vaddr, v_hole); set_te32(&elfout.phdr[1].p_vaddr, v_hole);
set_te32(&elfout.phdr[1].p_align, ((unsigned)0) - pm); set_te32(&elfout.phdr[1].p_align, ((unsigned)0) - pm);