This is an archive of the discontinued LLVM Phabricator instance.

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	} // namespace			} // namespace

	RelExpr AVR::getRelExpr(RelType type, const Symbol &s,			RelExpr AVR::getRelExpr(RelType type, const Symbol &s,
	const uint8_t *loc) const {			const uint8_t *loc) const {
	switch (type) {			switch (type) {
	case R_AVR_6:			case R_AVR_6:
	case R_AVR_6_ADIW:			case R_AVR_6_ADIW:
	case R_AVR_8:			case R_AVR_8:
				case R_AVR_8_LO8:
				case R_AVR_8_HI8:
				case R_AVR_8_HLO8:
	case R_AVR_16:			case R_AVR_16:
	case R_AVR_16_PM:			case R_AVR_16_PM:
	case R_AVR_32:			case R_AVR_32:
	case R_AVR_LDI:			case R_AVR_LDI:
	case R_AVR_LO8_LDI:			case R_AVR_LO8_LDI:
	case R_AVR_LO8_LDI_NEG:			case R_AVR_LO8_LDI_NEG:
	case R_AVR_HI8_LDI:			case R_AVR_HI8_LDI:
	case R_AVR_HI8_LDI_NEG:			case R_AVR_HI8_LDI_NEG:
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	}			}

	void AVR::relocate(uint8_t *loc, const Relocation &rel, uint64_t val) const {			void AVR::relocate(uint8_t *loc, const Relocation &rel, uint64_t val) const {
	switch (rel.type) {			switch (rel.type) {
	case R_AVR_8:			case R_AVR_8:
	checkUInt(loc, val, 8, rel);			checkUInt(loc, val, 8, rel);
	*loc = val;			*loc = val;
	break;			break;
				case R_AVR_8_LO8:
				checkUInt(loc, val, 32, rel);
				*loc = val & 0xff;
				break;
				case R_AVR_8_HI8:
				checkUInt(loc, val, 32, rel);
				*loc = (val >> 8) & 0xff;
				break;
				case R_AVR_8_HLO8:
				checkUInt(loc, val, 32, rel);
				*loc = (val >> 16) & 0xff;
				break;
	case R_AVR_16:			case R_AVR_16:
	// Note: this relocation is often used between code and data space, which			// Note: this relocation is often used between code and data space, which
	// are 0x800000 apart in the output ELF file. The bitmask cuts off the high			// are 0x800000 apart in the output ELF file. The bitmask cuts off the high
	// bit.			// bit.
	write16le(loc, val & 0xffff);			write16le(loc, val & 0xffff);
	break;			break;
	case R_AVR_16_PM:			case R_AVR_16_PM:
	checkAlignment(loc, val, 2, rel);			checkAlignment(loc, val, 2, rel);
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lld/test/ELF/avr-reloc.s

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	; HEX-LABEL: section .LDSSTS:			; HEX-LABEL: section .LDSSTS:
	; AVRHEX: {{.*}} 40911e00 50931e00			; AVRHEX: {{.*}} 40911e00 50931e00
	; TINYHEX: {{.*}} 4ea15ea9			; TINYHEX: {{.*}} 4ea15ea9
	lds r20, b			lds r20, b
	sts b, r21			sts b, r21

	.section .DATA,"ax",@progbits			.section .DATA,"ax",@progbits
	; HEX-LABEL: section .DATA:			; HEX-LABEL: section .DATA:
	; HEX-NEXT: {{.*}} 1e1e000f 00785634 12			; HEX-NEXT: {{.*}} 1e1e000f 00785634 12785634
	.byte b ; R_AVR_8			.byte b ; R_AVR_8
	.short b ; R_AVR_16			.short b ; R_AVR_16
	.short gs(b) ; R_AVR_16_PM			.short gs(b) ; R_AVR_16_PM
	.long a ; R_AVR_32			.long a ; R_AVR_32
				.byte lo8(a) ; R_AVR_8_LO8
				.byte hi8(a) ; R_AVR_8_HI8
				.byte hlo8(a) ; R_AVR_8_HLO8

This is an archive of the discontinued LLVM Phabricator instance.

[lld][ELF] Support relocations R_AVR_8_LO8/R_AVR_8_HI8/R_AVR_8_HLO8ClosedPublic

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lld/ELF/Arch/AVR.cpp

lld/test/ELF/avr-reloc.s

[lld][ELF] Support relocations R_AVR_8_LO8/R_AVR_8_HI8/R_AVR_8_HLO8
ClosedPublic