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* internal.h (H8/300 specific relocs): Add comments better

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explaining what each reloc is used for.
        (R_MOV16B1, R_MOV16B2): Renamed from R_MOVB1 and R_MOVB2.
        (R_MOV24B1, R_MOV24B2): Renamed from R_MOVLB1 and R_MOVLB2.
        (R_MOVL1, R_MOVL2): New relocs.
More changes for the H8/300 relaxing linker.  HMSE.
This commit is contained in:
Jeff Law 1996-05-07 06:40:28 +00:00
parent 4015337ec7
commit 552c64ac4b
2 changed files with 56 additions and 10 deletions
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8
include/coff/ChangeLog
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@ -1,3 +1,11 @@
Tue May 7 00:36:39 1996 Jeffrey A Law (law@cygnus.com)
* internal.h (H8/300 specific relocs): Add comments better
explaining what each reloc is used for.
(R_MOV16B1, R_MOV16B2): Renamed from R_MOVB1 and R_MOVB2.
(R_MOV24B1, R_MOV24B2): Renamed from R_MOVLB1 and R_MOVLB2.
(R_MOVL1, R_MOVL2): New relocs.
Fri May 3 13:01:12 1996 Jeffrey A Law (law@cygnus.com)
* internal.h (R_PCRWORD_B): Define for the h8300 relaxing

58
include/coff/internal.h
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@ -591,27 +591,65 @@ struct internal_reloc
#define R_JUMPTARG 0x20 /* strange 29k 00xx00xx reloc */
#define R_MOVB1 0x41 /* Special h8 16bit or 8 bit reloc for mov.b */
#define R_MOVB2 0x42 /* Special h8 opcode for 8bit which could be 16 */
#define R_JMP1 0x43 /* Special h8 16bit jmp which could be pcrel */
#define R_JMP2 0x44 /* a branch which used to be a jmp */
/* This reloc identifies mov.b instructions with a 16bit absolute
address. The linker tries to turn insns with this reloc into
an absolute 8-bit address. */
#define R_MOV16B1 0x41
/* This reloc identifies mov.b instructions which had a 16bit
absolute address which have been shortened into a 8-bit
absolute address. */
#define R_MOV16B2 0x42
/* This reloc identifies jmp insns with a 16bit target address;
the linker tries to turn these insns into bra insns with
an 8bit pc-relative target. */
#define R_JMP1 0x43
/* This reloc identifies a bra with an 8-bit pc-relative
target that was formerlly a jmp insn with a 16bit target. */
#define R_JMP2 0x44
/* ??? */
#define R_RELLONG_NEG 0x45
#define R_JMPL1 0x46 /* Special h8 24bit jmp which could be pcrel */
#define R_JMPL_B8 0x47 /* a 8 bit pcrel which used to be a jmp */
/* This reloc identifies jmp insns with a 24bit target address;
the linker tries to turn these insns into bra insns with
an 8bit pc-relative target. */
#define R_JMPL1 0x46
#define R_MOVLB1 0x48 /* Special h8 24bit or 8 bit reloc for mov.b */
#define R_MOVLB2 0x49 /* Special h8 opcode for 8bit which could be 24 */
/* This reloc identifies a bra with an 8-bit pc-relative
target that was formerlly a jmp insn with a 24bit target. */
#define R_JMPL_B8 0x47
/* This reloc identifies mov.b instructions with a 24bit absolute
address. The linker tries to turn insns with this reloc into
an absolute 8-bit address. */
#define R_MOV24B1 0x48
/* This reloc identifies mov.b instructions which had a 24bit
absolute address which have been shortened into a 8-bit
absolute address. */
#define R_MOV24B2 0x49
/* An h8300 memory indirect jump/call. Forces the address of the jump/call
target into the function vector (in page zero), and the address of the
vector entry to be placed in the jump/call instruction. */
#define R_MEM_INDIRECT 0x4a
/* An h8300 special reloc for relaxing a 16bit pc-relative branch into
an 8bit pc-relative branch. */
/* This reloc identifies a 16bit pc-relative branch target which was
shortened into an 8bit pc-relative branch target. */
#define R_PCRWORD_B 0x4b
/* This reloc identifies mov.[wl] instructions with a 32/24 bit
absolute address; the linker may turn this into a mov.[wl]
insn with a 16bit absolute address. */
#define R_MOVL1 0x4c
/* This reloc identifies mov.[wl] insns which formerlly had
a 32/24bit absolute address and how have a 16bit absolute address. */
#define R_MOVL2 0x4d
/* Z8k modes */
#define R_IMM16 0x01 /* 16 bit abs */