From 00a17c6ad068c95019e1f37cfc2d1b8aaebd6ecb Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Sun, 2 Jul 2023 07:46:21 -0700 Subject: Gold: Handle R_X86_64_CODE_4_GOTPC32_TLSDESC/R_X86_64_CODE_4_GOTTPOFF Handle R_X86_64_CODE_4_GOTTPOFF and R_X86_64_CODE_4_GOTPC32_TLSDESC. Convert add name@gottpoff(%rip), %reg mov name@gottpoff(%rip), %reg to add $name@tpoff, %reg mov $name@tpoff, %reg and lea name@tlsdesc(%rip), %reg to mov $name@tpoff, %reg mov name@gottpoff(%rip), %reg if the instruction is encoded with the REX2 prefix when possible. elfcpp/ * x86_64.h (R_X86_64_CODE_4_GOTTPOFF): New. (R_X86_64_CODE_4_GOTPC32_TLSDESC): Likewise. gold/ * x86_64.cc (Target_x86_64::optimize_tls_reloc): Handle R_X86_64_CODE_4_GOTPC32_TLSDESC and R_X86_64_CODE_4_GOTTPOFF. (Target_x86_64::Scan::get_reference_flags): Likewise. (Target_x86_64::Scan::local): Likewise. (Target_x86_64::Scan::global): Likewise. (Target_x86_64::Relocate::relocate): Likewise. (Target_x86_64::Relocate::relocate_tls): Likewise. (Target_x86_64::Relocate::tls_desc_gd_to_ie): Handle R_X86_64_CODE_4_GOTPC32_TLSDESC. (Target_x86_64::Relocate::tls_desc_gd_to_le): Likewise. (Target_x86_64::Relocate::tls_ie_to_le): Handle. R_X86_64_CODE_4_GOTTPOFF. * testsuite/Makefile.am: Add x86_64_ie_to_le test. * testsuite/Makefile.in: Regenerated. * testsuite/x86_64_gd_to_le.s: Add R_X86_64_CODE_4_GOTPC32_TLSDESC test. * testsuite/x86_64_gd_to_le.sh: Check GDesc to LE conversion. * testsuite/x86_64_ie_to_le.s: New file. * testsuite/x86_64_ie_to_le.sh: Likewise. --- gold/testsuite/Makefile.am | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'gold/testsuite/Makefile.am') diff --git a/gold/testsuite/Makefile.am b/gold/testsuite/Makefile.am index df9405c..0685e91 100644 --- a/gold/testsuite/Makefile.am +++ b/gold/testsuite/Makefile.am @@ -1244,6 +1244,17 @@ x86_64_gd_to_le: x86_64_gd_to_le.o gcctestdir/ld x86_64_gd_to_le.stdout: x86_64_gd_to_le $(TEST_OBJDUMP) -dw $< > $@ +check_SCRIPTS += x86_64_ie_to_le.sh +check_DATA += x86_64_ie_to_le.stdout +MOSTLYCLEANFILES += x86_64_ie_to_le + +x86_64_ie_to_le.o: x86_64_ie_to_le.s + $(TEST_AS) --64 -o $@ $< +x86_64_ie_to_le: x86_64_ie_to_le.o gcctestdir/ld + gcctestdir/ld -o $@ $< +x86_64_ie_to_le.stdout: x86_64_ie_to_le + $(TEST_OBJDUMP) -dw $< > $@ + check_SCRIPTS += x86_64_overflow_pc32.sh check_DATA += x86_64_overflow_pc32.err MOSTLYCLEANFILES += x86_64_overflow_pc32.err -- cgit v1.1