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bfd: Add supported for LoongArch new relocations.

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Define new reloc types according to linker needs.

  include/elf/
    loongarch.h

  bfd/
    bfd-in2.h
    libbfd.h
    reloc.c
    elfnn-loongarch.c
    elfxx-loongarch.c
    elfxx-loongarch.h
This commit is contained in:
liuzhensong
2022-07-11 15:11:03 +08:00
parent 5d471bd907
commit 6d13722a97
7 changed files with 2111 additions and 768 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
bfd/bfd-in2.h
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@ -6274,6 +6274,42 @@ assembler and not (currently) written to any object files. */
BFD_RELOC_LARCH_SUB24, BFD_RELOC_LARCH_SUB24,
BFD_RELOC_LARCH_SUB32, BFD_RELOC_LARCH_SUB32,
BFD_RELOC_LARCH_SUB64, BFD_RELOC_LARCH_SUB64,
BFD_RELOC_LARCH_B16,
BFD_RELOC_LARCH_B21,
BFD_RELOC_LARCH_B26,
BFD_RELOC_LARCH_ABS_HI20,
BFD_RELOC_LARCH_ABS_LO12,
BFD_RELOC_LARCH_ABS64_LO20,
BFD_RELOC_LARCH_ABS64_HI12,
BFD_RELOC_LARCH_PCALA_HI20,
BFD_RELOC_LARCH_PCALA_LO12,
BFD_RELOC_LARCH_PCALA64_LO20,
BFD_RELOC_LARCH_PCALA64_HI12,
BFD_RELOC_LARCH_GOT_PC_HI20,
BFD_RELOC_LARCH_GOT_PC_LO12,
BFD_RELOC_LARCH_GOT64_PC_LO20,
BFD_RELOC_LARCH_GOT64_PC_HI12,
BFD_RELOC_LARCH_GOT_HI20,
BFD_RELOC_LARCH_GOT_LO12,
BFD_RELOC_LARCH_GOT64_LO20,
BFD_RELOC_LARCH_GOT64_HI12,
BFD_RELOC_LARCH_TLS_LE_HI20,
BFD_RELOC_LARCH_TLS_LE_LO12,
BFD_RELOC_LARCH_TLS_LE64_LO20,
BFD_RELOC_LARCH_TLS_LE64_HI12,
BFD_RELOC_LARCH_TLS_IE_PC_HI20,
BFD_RELOC_LARCH_TLS_IE_PC_LO12,
BFD_RELOC_LARCH_TLS_IE64_PC_LO20,
BFD_RELOC_LARCH_TLS_IE64_PC_HI12,
BFD_RELOC_LARCH_TLS_IE_HI20,
BFD_RELOC_LARCH_TLS_IE_LO12,
BFD_RELOC_LARCH_TLS_IE64_LO20,
BFD_RELOC_LARCH_TLS_IE64_HI12,
BFD_RELOC_LARCH_TLS_LD_PC_HI20,
BFD_RELOC_LARCH_TLS_LD_HI20,
BFD_RELOC_LARCH_TLS_GD_PC_HI20,
BFD_RELOC_LARCH_TLS_GD_HI20,
BFD_RELOC_LARCH_RELAX,
BFD_RELOC_UNUSED }; BFD_RELOC_UNUSED };
typedef enum bfd_reloc_code_real bfd_reloc_code_real_type; typedef enum bfd_reloc_code_real bfd_reloc_code_real_type;

1096
bfd/elfnn-loongarch.c
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File diff suppressed because it is too large Load Diff

936
bfd/elfxx-loongarch.c
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File diff suppressed because it is too large Load Diff

4
bfd/elfxx-loongarch.h
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@ -30,6 +30,10 @@ loongarch_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code);
extern reloc_howto_type * extern reloc_howto_type *
loongarch_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name); loongarch_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name);
extern bfd_reloc_code_real_type
loongarch_larch_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
const char *l_r_name);
bool loongarch_adjust_reloc_bitsfield (reloc_howto_type *howto, bfd_vma *fix_val); bool loongarch_adjust_reloc_bitsfield (reloc_howto_type *howto, bfd_vma *fix_val);
/* TRUE if this is a PLT reference to a local IFUNC. */ /* TRUE if this is a PLT reference to a local IFUNC. */

36
bfd/libbfd.h
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@ -3457,6 +3457,42 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
"BFD_RELOC_LARCH_SUB24", "BFD_RELOC_LARCH_SUB24",
"BFD_RELOC_LARCH_SUB32", "BFD_RELOC_LARCH_SUB32",
"BFD_RELOC_LARCH_SUB64", "BFD_RELOC_LARCH_SUB64",
"BFD_RELOC_LARCH_B16",
"BFD_RELOC_LARCH_B21",
"BFD_RELOC_LARCH_B26",
"BFD_RELOC_LARCH_ABS_HI20",
"BFD_RELOC_LARCH_ABS_LO12",
"BFD_RELOC_LARCH_ABS64_LO20",
"BFD_RELOC_LARCH_ABS64_HI12",
"BFD_RELOC_LARCH_PCALA_HI20",
"BFD_RELOC_LARCH_PCALA_LO12",
"BFD_RELOC_LARCH_PCALA64_LO20",
"BFD_RELOC_LARCH_PCALA64_HI12",
"BFD_RELOC_LARCH_GOT_PC_HI20",
"BFD_RELOC_LARCH_GOT_PC_LO12",
"BFD_RELOC_LARCH_GOT64_PC_LO20",
"BFD_RELOC_LARCH_GOT64_PC_HI12",
"BFD_RELOC_LARCH_GOT_HI20",
"BFD_RELOC_LARCH_GOT_LO12",
"BFD_RELOC_LARCH_GOT64_LO20",
"BFD_RELOC_LARCH_GOT64_HI12",
"BFD_RELOC_LARCH_TLS_LE_HI20",
"BFD_RELOC_LARCH_TLS_LE_LO12",
"BFD_RELOC_LARCH_TLS_LE64_LO20",
"BFD_RELOC_LARCH_TLS_LE64_HI12",
"BFD_RELOC_LARCH_TLS_IE_PC_HI20",
"BFD_RELOC_LARCH_TLS_IE_PC_LO12",
"BFD_RELOC_LARCH_TLS_IE64_PC_LO20",
"BFD_RELOC_LARCH_TLS_IE64_PC_HI12",
"BFD_RELOC_LARCH_TLS_IE_HI20",
"BFD_RELOC_LARCH_TLS_IE_LO12",
"BFD_RELOC_LARCH_TLS_IE64_LO20",
"BFD_RELOC_LARCH_TLS_IE64_HI12",
"BFD_RELOC_LARCH_TLS_LD_PC_HI20",
"BFD_RELOC_LARCH_TLS_LD_HI20",
"BFD_RELOC_LARCH_TLS_GD_PC_HI20",
"BFD_RELOC_LARCH_TLS_GD_HI20",
"BFD_RELOC_LARCH_RELAX",
"@@overflow: BFD_RELOC_UNUSED@@", "@@overflow: BFD_RELOC_UNUSED@@",
}; };
#endif #endif

79
bfd/reloc.c
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@ -8228,6 +8228,85 @@ ENUMX
BFD_RELOC_LARCH_SUB32 BFD_RELOC_LARCH_SUB32
ENUMX ENUMX
BFD_RELOC_LARCH_SUB64 BFD_RELOC_LARCH_SUB64
ENUMX
BFD_RELOC_LARCH_B16
ENUMX
BFD_RELOC_LARCH_B21
ENUMX
BFD_RELOC_LARCH_B26
ENUMX
BFD_RELOC_LARCH_ABS_HI20
ENUMX
BFD_RELOC_LARCH_ABS_LO12
ENUMX
BFD_RELOC_LARCH_ABS64_LO20
ENUMX
BFD_RELOC_LARCH_ABS64_HI12
ENUMX
BFD_RELOC_LARCH_PCALA_HI20
ENUMX
BFD_RELOC_LARCH_PCALA_LO12
ENUMX
BFD_RELOC_LARCH_PCALA64_LO20
ENUMX
BFD_RELOC_LARCH_PCALA64_HI12
ENUMX
BFD_RELOC_LARCH_GOT_PC_HI20
ENUMX
BFD_RELOC_LARCH_GOT_PC_LO12
ENUMX
BFD_RELOC_LARCH_GOT64_PC_LO20
ENUMX
BFD_RELOC_LARCH_GOT64_PC_HI12
ENUMX
BFD_RELOC_LARCH_GOT_HI20
ENUMX
BFD_RELOC_LARCH_GOT_LO12
ENUMX
BFD_RELOC_LARCH_GOT64_LO20
ENUMX
BFD_RELOC_LARCH_GOT64_HI12
ENUMX
BFD_RELOC_LARCH_TLS_LE_HI20
ENUMX
BFD_RELOC_LARCH_TLS_LE_LO12
ENUMX
BFD_RELOC_LARCH_TLS_LE64_LO20
ENUMX
BFD_RELOC_LARCH_TLS_LE64_HI12
ENUMX
BFD_RELOC_LARCH_TLS_IE_PC_HI20
ENUMX
BFD_RELOC_LARCH_TLS_IE_PC_LO12
ENUMX
BFD_RELOC_LARCH_TLS_IE64_PC_LO20
ENUMX
BFD_RELOC_LARCH_TLS_IE64_PC_HI12
ENUMX
BFD_RELOC_LARCH_TLS_IE_HI20
ENUMX
BFD_RELOC_LARCH_TLS_IE_LO12
ENUMX
BFD_RELOC_LARCH_TLS_IE64_LO20
ENUMX
BFD_RELOC_LARCH_TLS_IE64_HI12
ENUMX
BFD_RELOC_LARCH_TLS_LD_PC_HI20
ENUMX
BFD_RELOC_LARCH_TLS_LD_HI20
ENUMX
BFD_RELOC_LARCH_TLS_GD_PC_HI20
ENUMX
BFD_RELOC_LARCH_TLS_GD_HI20
ENUMX
BFD_RELOC_LARCH_RELAX
ENUMDOC ENUMDOC
LARCH relocations. LARCH relocations.

136
include/elf/loongarch.h
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@ -90,6 +90,142 @@ RELOC_NUMBER (R_LARCH_SUB64, 56)
RELOC_NUMBER (R_LARCH_GNU_VTINHERIT, 57) RELOC_NUMBER (R_LARCH_GNU_VTINHERIT, 57)
RELOC_NUMBER (R_LARCH_GNU_VTENTRY, 58) RELOC_NUMBER (R_LARCH_GNU_VTENTRY, 58)
/* B16:
beq/bne/blt/bge/bltu/bgeu/jirl
%b16 (sym). */
RELOC_NUMBER (R_LARCH_B16, 64)
/* B21:
beqz/bnez
%b16 (sym). */
RELOC_NUMBER (R_LARCH_B21, 65)
/* B26:
b/bl
%b26 (sym) or %plt (sym). */
RELOC_NUMBER (R_LARCH_B26, 66)
/* ABS: 32/64
lu12i.w
%abs_hi20 (sym). */
RELOC_NUMBER (R_LARCH_ABS_HI20, 67)
/* ABS: 32/64
ori
%abs_lo12 (sym). */
RELOC_NUMBER (R_LARCH_ABS_LO12, 68)
/* ABS: 64
lu32i.d
%abs64_lo20 (sym). */
RELOC_NUMBER (R_LARCH_ABS64_LO20, 69)
/* ABS: 64
lu52i.d
%abs64_hi12 (sym). */
RELOC_NUMBER (R_LARCH_ABS64_HI12, 70)
/* PCREL: 32/64
pcalau12i
%pc_hi20 (sym). */
RELOC_NUMBER (R_LARCH_PCALA_HI20, 71)
/* PCREL: 32/64
addi.w/addi.d
%pc_lo12 (sym). */
RELOC_NUMBER (R_LARCH_PCALA_LO12, 72)
/* PCREL: 64
lu32i.d
%pc64_lo20 (sym). */
RELOC_NUMBER (R_LARCH_PCALA64_LO20, 73)
/* PCREL: 64
lu52i.d
%pc64_hi12 (sym). */
RELOC_NUMBER (R_LARCH_PCALA64_HI12, 74)
/* GOT: 32/64
pcalau12i
%got_pc_hi20 (got). */
RELOC_NUMBER (R_LARCH_GOT_PC_HI20, 75)
/* GOT: 32/64
ld.w/ld.d
%got_pc_lo12 (got). */
RELOC_NUMBER (R_LARCH_GOT_PC_LO12, 76)
/* GOT: 32/64
lu32i.d
%got_pc_lo12 (got). */
RELOC_NUMBER (R_LARCH_GOT64_PC_LO20, 77)
/* GOT64: PCREL
lu52i.d
%got64_pc_hi12 (got). */
RELOC_NUMBER (R_LARCH_GOT64_PC_HI12, 78)
/* GOT32/64: ABS
lu12i.w
%got_hi20 (got). */
RELOC_NUMBER (R_LARCH_GOT_HI20, 79)
/* GOT: 32/64: ABS
ori
%got_lo12 (got). */
RELOC_NUMBER (R_LARCH_GOT_LO12, 80)
/* GOT64: ABS
lu32i.d
%got64_lo20 (got). */
RELOC_NUMBER (R_LARCH_GOT64_LO20, 81)
/* GOT64: ABS
lu52i.d
%got64_hi12 (got). */
RELOC_NUMBER (R_LARCH_GOT64_HI12, 82)
/* TLS-LE: 32/64
lu12i.w
%le_hi20 (sym). */
RELOC_NUMBER (R_LARCH_TLS_LE_HI20, 83)
/* TLS-LE: 32/64
ori
%le_lo12 (sym). */
RELOC_NUMBER (R_LARCH_TLS_LE_LO12, 84)
/* TLS-LE: 64
lu32i.d
%le64_lo20 (sym). */
RELOC_NUMBER (R_LARCH_TLS_LE64_LO20, 85)
/* TLS-LE: 64
lu52i.d
%le64_hi12 (sym). */
RELOC_NUMBER (R_LARCH_TLS_LE64_HI12, 86)
/* TLS-IE: 32/64
pcalau12i
%ie_pc_hi20 (sym). */
RELOC_NUMBER (R_LARCH_TLS_IE_PC_HI20, 87)
RELOC_NUMBER (R_LARCH_TLS_IE_PC_LO12, 88)
RELOC_NUMBER (R_LARCH_TLS_IE64_PC_LO20, 89)
RELOC_NUMBER (R_LARCH_TLS_IE64_PC_HI12, 90)
/* TLS-IE: 32/64: ABS
lu12i.w
%ie_hi20 (sym). */
RELOC_NUMBER (R_LARCH_TLS_IE_HI20, 91)
RELOC_NUMBER (R_LARCH_TLS_IE_LO12, 92)
RELOC_NUMBER (R_LARCH_TLS_IE64_LO20, 93)
RELOC_NUMBER (R_LARCH_TLS_IE64_HI12, 94)
/* TLS-LD: 32/64
pcalau12i
%ld_pc_hi20 (sym). */
RELOC_NUMBER (R_LARCH_TLS_LD_PC_HI20, 95)
/* TLS-LD: 32/64: ABS
lu12i.w
%ld_hi20 (sym). */
RELOC_NUMBER (R_LARCH_TLS_LD_HI20, 96)
/* TLS-GD: 32/64
pcalau12i
%gd_pc_hi20 (sym). */
RELOC_NUMBER (R_LARCH_TLS_GD_PC_HI20, 97)
/* TLS-GD: 32/64: ABS
lu12i.w
%gd_hi20 (sym). */
RELOC_NUMBER (R_LARCH_TLS_GD_HI20, 98)
/* RELAX. */
RELOC_NUMBER (R_LARCH_RELAX, 99)
END_RELOC_NUMBERS (R_LARCH_count) END_RELOC_NUMBERS (R_LARCH_count)
/* Processor specific flags for the ELF header e_flags field. */ /* Processor specific flags for the ELF header e_flags field. */