On Wed, 2017-08-02 at 09:16 -0600, Jan Beulich wrote: > > Well, I've seen breakage in all sorts of places I wouldn't have expected > anyone to fine a need to fiddle with.
This is the nature of 'value subtract', I suppose.
How about something like this? Somewhat complicated by the fact that
COFF section names get truncated, so maybe there's a nicer place to put
it (or maybe we explicitly include .init.da into the .init.data output
section, in the efi.lds linker script, or something?)....
--- a/xen/arch/x86/efi/mkreloc.c
+++ b/xen/arch/x86/efi/mkreloc.c
@@ -346,6 +346,15 @@ int main(int argc, char *argv[])
memcmp(sec1[i].name, ".lockpro", sizeof(sec1[i].name)) == 0 )
continue;
+ /* For sections with relocations, force them to be writeable */
+ if (memcmp(sec1[i].name, ".init.da", sizeof(sec1[i].name)) == 0)
+ printf(".pushsection .init.data, \"awx\"\n");
+ else if (memcmp(sec1[i].name, ".init.te", sizeof(sec1[i].name) ) == 0)
+ printf(".pushsection .init.text, \"awx\"\n");
+ else
+ printf(".pushsection %.*s, \"awx\"\n",
(int)sizeof(sec1[i].name), sec1[i].name);
+ printf(".popsection\n");
+
if ( !sec1[i].rva )
{
fprintf(stderr, "Can't handle section %u with zero RVA\n", i);
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