#include "elf/riscv.h"
#include "opcode/riscv.h"
+/* Internal relocations used exclusively by the relaxation pass. */
+#define R_RISCV_DELETE (R_RISCV_max + 1)
+
#define ARCH_SIZE NN
#define MINUS_ONE ((bfd_vma)0 - 1)
case R_RISCV_TLS_DTPREL64:
break;
+ case R_RISCV_DELETE:
+ return bfd_reloc_ok;
+
default:
return bfd_reloc_notsupported;
}
case R_RISCV_SET16:
case R_RISCV_SET32:
case R_RISCV_32_PCREL:
+ case R_RISCV_DELETE:
/* These require no special handling beyond perform_relocation. */
break;
rel->r_addend - nop_bytes);
}
-/* Relax a section. Pass 0 shortens code sequences unless disabled.
- Pass 1, which cannot be disabled, handles code alignment directives. */
+/* Relax PC-relative references to GP-relative references. */
+
+static bfd_boolean
+_bfd_riscv_relax_delete (bfd *abfd,
+ asection *sec,
+ asection *sym_sec ATTRIBUTE_UNUSED,
+ struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
+ Elf_Internal_Rela *rel,
+ bfd_vma symval ATTRIBUTE_UNUSED,
+ bfd_vma max_alignment ATTRIBUTE_UNUSED,
+ bfd_vma reserve_size ATTRIBUTE_UNUSED,
+ bfd_boolean *again ATTRIBUTE_UNUSED)
+{
+ if (!riscv_relax_delete_bytes(abfd, sec, rel->r_offset, rel->r_addend))
+ return FALSE;
+ rel->r_info = ELFNN_R_INFO(0, R_RISCV_NONE);
+ return TRUE;
+}
+
+/* Relax a section. Pass 0 shortens code sequences unless disabled. Pass 1
+ deletes the bytes that pass 0 made obselete. Pass 2, which cannot be
+ disabled, handles code alignment directives. */
static bfd_boolean
_bfd_riscv_relax_section (bfd *abfd, asection *sec,
int type = ELFNN_R_TYPE (rel->r_info);
bfd_vma symval;
+ relax_func = NULL;
if (info->relax_pass == 0)
{
if (type == R_RISCV_CALL || type == R_RISCV_CALL_PLT)
/* Skip over the R_RISCV_RELAX. */
i++;
}
- else if (type == R_RISCV_ALIGN)
+ else if (info->relax_pass == 1 && type == R_RISCV_DELETE)
+ relax_func = _bfd_riscv_relax_delete;
+ else if (info->relax_pass == 2 && type == R_RISCV_ALIGN)
relax_func = _bfd_riscv_relax_align;
else
continue;