From f235248854c2e4645a857e6623b4d42d7dc39d12 Mon Sep 17 00:00:00 2001 From: Jeff Law Date: Thu, 30 Aug 2001 02:15:58 +0000 Subject: [PATCH] * elf32-h8300.c (h8_elf_howto_table): Add new PC relative relocations. (h8_reloc_map): Similarly. (elf32_h8_final_link_relocate): Remove incorrect overflow tests. Add support for PC relative relocations. --- bfd/ChangeLog | 6 ++++++ bfd/elf32-h8300.c | 54 ++++++++++++++++++++++++++++++++++++++++++++++++------ 2 files changed, 54 insertions(+), 6 deletions(-) diff --git a/bfd/ChangeLog b/bfd/ChangeLog index eba6cc5..c8203ff 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -5,6 +5,12 @@ 2001-08-29 Jeff Law + * elf32-h8300.c (h8_elf_howto_table): Add new PC relative + relocations. + (h8_reloc_map): Similarly. + (elf32_h8_final_link_relocate): Remove incorrect overflow tests. + Add support for PC relative relocations. + * elf32-h8300.c: Put all prototypes together. (elf32_h8_info_to_howto): Parameter elf_reloc is used. (elf32_h8_final_link_relocate): New function for linker. diff --git a/bfd/elf32-h8300.c b/bfd/elf32-h8300.c index 786787c..531088b 100644 --- a/bfd/elf32-h8300.c +++ b/bfd/elf32-h8300.c @@ -171,6 +171,34 @@ static reloc_howto_type h8_elf_howto_table[] = 0, /* src_mask */ 0xffffffff, /* dst_mask */ false), /* pcrel_offset */ +#define R_H8_PCREL16_X (R_H8_DIR32A16_X + 1) + HOWTO (R_H8_PCREL16, /* type */ + 0, /* rightshift */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + true, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + NULL, /* special_function */ + "R_H8_PCREL16", /* name */ + false, /* partial_inplace */ + 0xffff, /* src_mask */ + 0xffff, /* dst_mask */ + true), /* pcrel_offset */ +#define R_H8_PCREL8_X (R_H8_PCREL16_X + 1) + HOWTO (R_H8_PCREL8, /* type */ + 0, /* rightshift */ + 0, /* size (0 = byte, 1 = short, 2 = long) */ + 8, /* bitsize */ + true, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + NULL, /* special_function */ + "R_H8_PCREL8", /* name */ + false, /* partial_inplace */ + 0xff, /* src_mask */ + 0xff, /* dst_mask */ + true), /* pcrel_offset */ }; /* This structure is used to map BFD reloc codes to H8 ELF relocs. */ @@ -194,6 +222,8 @@ static const struct elf_reloc_map h8_reloc_map[] = { BFD_RELOC_H8_DIR24A8, R_H8_DIR24A8_X }, { BFD_RELOC_H8_DIR24R8, R_H8_DIR24R8_X }, { BFD_RELOC_H8_DIR32A16, R_H8_DIR32A16_X }, + { BFD_RELOC_16_PCREL, R_H8_PCREL16_X }, + { BFD_RELOC_8_PCREL, R_H8_PCREL8_X }, }; @@ -287,9 +317,6 @@ elf32_h8_final_link_relocate (r_type, input_bfd, output_bfd, case R_H8_DIR8: value += addend; - if ((long) value > 0x7f || (long) value < -0x80) - return bfd_reloc_overflow; - bfd_put_8 (input_bfd, value, hit_data); return bfd_reloc_ok; @@ -297,14 +324,29 @@ elf32_h8_final_link_relocate (r_type, input_bfd, output_bfd, case R_H8_DIR24R8: value += addend; - if ((long) value > 0x7fffff || (long) value < -0x800000) - return bfd_reloc_overflow; - value &= 0xffffff; value |= (bfd_get_32 (input_bfd, hit_data) & 0xff000000); bfd_put_32 (input_bfd, value, hit_data); return bfd_reloc_ok; + case R_H8_PCREL16: + value -= (input_section->output_section->vma + + input_section->output_offset); + value -= offset; + value += addend; + + bfd_put_16 (input_bfd, value, hit_data); + return bfd_reloc_ok; + + case R_H8_PCREL8: + value -= (input_section->output_section->vma + + input_section->output_offset); + value -= offset; + value += addend; + + bfd_put_8 (input_bfd, value, hit_data); + return bfd_reloc_ok; + default: return bfd_reloc_notsupported; } -- 2.7.4