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-rw-r--r--gold/target.cc47
1 files changed, 47 insertions, 0 deletions
diff --git a/gold/target.cc b/gold/target.cc
index d971cff626..b129b59fac 100644
--- a/gold/target.cc
+++ b/gold/target.cc
@@ -23,6 +23,7 @@
#include "gold.h"
#include "target.h"
#include "dynobj.h"
+#include "elfcpp.h"
namespace gold
{
@@ -135,4 +136,50 @@ Target::do_make_elf_object(const std::string& name, Input_file* input_file,
}
#endif
+// Default conversion for -fsplit-stack is to give an error.
+
+void
+Target::do_calls_non_split(Relobj* object, unsigned int, section_offset_type,
+ section_size_type, unsigned char*, section_size_type,
+ std::string*, std::string*) const
+{
+ static bool warned;
+ if (!warned)
+ {
+ gold_error(_("linker does not include stack split support "
+ "required by %s"),
+ object->name().c_str());
+ warned = true;
+ }
+}
+
+// Return whether BYTES/LEN matches VIEW/VIEW_SIZE at OFFSET.
+
+bool
+Target::match_view(const unsigned char* view, section_size_type view_size,
+ section_offset_type offset, const char* bytes,
+ size_t len) const
+{
+ if (offset + len > view_size)
+ return false;
+ return memcmp(view + offset, bytes, len) == 0;
+}
+
+// Set the contents of a VIEW/VIEW_SIZE to nops starting at OFFSET
+// for LEN bytes.
+
+void
+Target::set_view_to_nop(unsigned char* view, section_size_type view_size,
+ section_offset_type offset, size_t len) const
+{
+ gold_assert(offset >= 0 && offset + len <= view_size);
+ if (!this->has_code_fill())
+ memset(view + offset, 0, len);
+ else
+ {
+ std::string fill = this->code_fill(len);
+ memcpy(view + offset, fill.data(), len);
+ }
+}
+
} // End namespace gold.
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