Import commits 4a54cb06585f568031dfd291d0fe45979ad75e98 and 00a17c6ad068c95019e1f37cfc2d1b8aaebd6ecb to add APX support to GOLD.
This commit is contained in:
Nick Clifton
parent
5132280190
commit
a5425af175
@ -117073,3 +117073,675 @@ diff -rupN binutils.orig/opcodes/i386-tbl.h binutils-2.41/opcodes/i386-tbl.h
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};
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/* i386 mnemonics table. */
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diff -rup binutils.orig/elfcpp/x86_64.h binutils-2.41/elfcpp/x86_64.h
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--- binutils.orig/elfcpp/x86_64.h 2024-01-22 11:32:09.151805489 +0000
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+++ binutils-2.41/elfcpp/x86_64.h 2024-01-22 11:32:48.111841977 +0000
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@@ -95,9 +95,21 @@ enum
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R_X86_64_PC32_BND = 39, // PC relative 32 bit signed with BND prefix
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R_X86_64_PLT32_BND = 40, // 32 bit PLT address with BND prefix
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R_X86_64_GOTPCRELX = 41, // 32 bit signed PC relative offset to GOT
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- // without REX prefix, relaxable.
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+ // without REX nor REX2 prefixes, relaxable.
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R_X86_64_REX_GOTPCRELX = 42, // 32 bit signed PC relative offset to GOT
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// with REX prefix, relaxable.
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+ R_X86_64_CODE_4_GOTPCRELX = 43, // 32 bit signed PC relative offset to
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+ // GOT if the instruction starts at 4
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+ // bytes before the relocation offset,
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+ // relaxable.
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+ R_X86_64_CODE_4_GOTTPOFF = 44, // 32 bit signed PC relative offset to
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+ // GOT entry for IE symbol if the
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+ // instruction starts at 4 bytes before
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+ // the relocation offset.
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+ R_X86_64_CODE_4_GOTPC32_TLSDESC = 45, // 32-bit PC relative to TLS
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+ // descriptor in GOT if the
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+ // instruction starts at 4 bytes
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+ // before the relocation offset.
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// GNU vtable garbage collection extensions.
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R_X86_64_GNU_VTINHERIT = 250,
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R_X86_64_GNU_VTENTRY = 251
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diff -rup binutils.orig/gold/testsuite/Makefile.am binutils-2.41/gold/testsuite/Makefile.am
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--- binutils.orig/gold/testsuite/Makefile.am 2024-01-22 11:32:09.869806294 +0000
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+++ binutils-2.41/gold/testsuite/Makefile.am 2024-01-22 11:32:48.112841978 +0000
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@@ -1244,6 +1244,17 @@ x86_64_gd_to_le: x86_64_gd_to_le.o gccte
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x86_64_gd_to_le.stdout: x86_64_gd_to_le
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$(TEST_OBJDUMP) -dw $< > $@
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+check_SCRIPTS += x86_64_ie_to_le.sh
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+check_DATA += x86_64_ie_to_le.stdout
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+MOSTLYCLEANFILES += x86_64_ie_to_le
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+
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+x86_64_ie_to_le.o: x86_64_ie_to_le.s
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+ $(TEST_AS) --64 -o $@ $<
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+x86_64_ie_to_le: x86_64_ie_to_le.o gcctestdir/ld
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+ gcctestdir/ld -o $@ $<
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+x86_64_ie_to_le.stdout: x86_64_ie_to_le
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+ $(TEST_OBJDUMP) -dw $< > $@
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+
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check_SCRIPTS += x86_64_overflow_pc32.sh
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check_DATA += x86_64_overflow_pc32.err
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MOSTLYCLEANFILES += x86_64_overflow_pc32.err
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diff -rup binutils.orig/gold/testsuite/Makefile.in binutils-2.41/gold/testsuite/Makefile.in
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--- binutils.orig/gold/testsuite/Makefile.in 2024-01-22 11:32:09.870806295 +0000
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+++ binutils-2.41/gold/testsuite/Makefile.in 2024-01-22 11:32:48.113841979 +0000
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@@ -296,6 +296,7 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__E
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@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_31 = x86_64_mov_to_lea.sh \
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@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ x86_64_indirect_call_to_direct.sh \
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@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ x86_64_gd_to_le.sh \
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+@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ x86_64_ie_to_le.sh \
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@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ x86_64_overflow_pc32.sh \
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@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ x32_overflow_pc32.sh \
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@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ pr23016_1.sh \
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@@ -319,6 +320,7 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__E
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@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ x86_64_indirect_call_to_direct1.stdout \
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@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ x86_64_indirect_jump_to_direct1.stdout \
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@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ x86_64_gd_to_le.stdout \
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+@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ x86_64_ie_to_le.stdout \
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@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ x86_64_overflow_pc32.err \
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@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ x32_overflow_pc32.err \
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@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ pr23016_1.stdout \
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@@ -343,6 +345,7 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__E
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@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ x86_64_indirect_call_to_direct1 \
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@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ x86_64_indirect_jump_to_direct1 \
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@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ x86_64_gd_to_le \
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+@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ x86_64_ie_to_le \
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@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ x86_64_overflow_pc32.err \
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@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ x32_overflow_pc32.err
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@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_34 = pr17704a_test
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@@ -5736,6 +5739,13 @@ x86_64_gd_to_le.sh.log: x86_64_gd_to_le.
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--log-file $$b.log --trs-file $$b.trs \
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$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
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"$$tst" $(AM_TESTS_FD_REDIRECT)
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+x86_64_ie_to_le.sh.log: x86_64_ie_to_le.sh
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+ @p='x86_64_ie_to_le.sh'; \
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+ b='x86_64_ie_to_le.sh'; \
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+ $(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
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+ --log-file $$b.log --trs-file $$b.trs \
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+ $(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
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+ "$$tst" $(AM_TESTS_FD_REDIRECT)
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x86_64_overflow_pc32.sh.log: x86_64_overflow_pc32.sh
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@p='x86_64_overflow_pc32.sh'; \
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b='x86_64_overflow_pc32.sh'; \
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@@ -8474,6 +8484,13 @@ uninstall-am:
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@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ gcctestdir/ld -o $@ $<
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@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@x86_64_gd_to_le.stdout: x86_64_gd_to_le
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@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_OBJDUMP) -dw $< > $@
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+
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+@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@x86_64_ie_to_le.o: x86_64_ie_to_le.s
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+@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_AS) --64 -o $@ $<
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+@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@x86_64_ie_to_le: x86_64_ie_to_le.o gcctestdir/ld
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+@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ gcctestdir/ld -o $@ $<
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+@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@x86_64_ie_to_le.stdout: x86_64_ie_to_le
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+@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_OBJDUMP) -dw $< > $@
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@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@x86_64_overflow_pc32.o: x86_64_overflow_pc32.s
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@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_AS) -o $@ $<
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@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@x86_64_overflow_pc32.err: x86_64_overflow_pc32.o gcctestdir/ld
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diff -rup binutils.orig/gold/testsuite/x86_64_gd_to_le.s binutils-2.41/gold/testsuite/x86_64_gd_to_le.s
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--- binutils.orig/gold/testsuite/x86_64_gd_to_le.s 2024-01-22 11:32:09.886806313 +0000
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+++ binutils-2.41/gold/testsuite/x86_64_gd_to_le.s 2024-01-22 11:32:48.113841979 +0000
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@@ -7,6 +7,7 @@ _start:
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subq $8, %rsp
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.cfi_def_cfa_offset 16
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leaq foo@TLSDESC(%rip), %r9
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+ leaq foo@TLSDESC(%rip), %r29
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movq %r9, %rax
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call *foo@TLSCALL(%rax)
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addq %fs:0, %rax
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diff -rup binutils.orig/gold/testsuite/x86_64_gd_to_le.sh binutils-2.41/gold/testsuite/x86_64_gd_to_le.sh
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--- binutils.orig/gold/testsuite/x86_64_gd_to_le.sh 2024-01-22 11:32:09.886806313 +0000
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+++ binutils-2.41/gold/testsuite/x86_64_gd_to_le.sh 2024-01-22 11:32:48.113841979 +0000
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@@ -24,3 +24,4 @@
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set -e
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grep -q "mov[ \t]\+\$0x[a-f0-9]\+,%r9" x86_64_gd_to_le.stdout
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+grep -q "mov[ \t]\+\$0x[a-f0-9]\+,%r29" x86_64_gd_to_le.stdout
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diff -rup binutils.orig/gold/testsuite/x86_64_mov_to_lea.sh binutils-2.41/gold/testsuite/x86_64_mov_to_lea.sh
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--- binutils.orig/gold/testsuite/x86_64_mov_to_lea.sh 2024-01-22 11:32:09.886806313 +0000
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+++ binutils-2.41/gold/testsuite/x86_64_mov_to_lea.sh 2024-01-22 11:32:40.599835054 +0000
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@@ -25,20 +25,36 @@
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set -e
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grep -q "lea -0x[a-f0-9]\+(%rip),%rax" x86_64_mov_to_lea1.stdout
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+grep -q "lea -0x[a-f0-9]\+(%rip),%r26" x86_64_mov_to_lea1.stdout
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grep -q "lea -0x[a-f0-9]\+(%rip),%rax" x86_64_mov_to_lea2.stdout
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+grep -q "lea -0x[a-f0-9]\+(%rip),%r26" x86_64_mov_to_lea2.stdout
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grep -q "lea -0x[a-f0-9]\+(%rip),%rax" x86_64_mov_to_lea3.stdout
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+grep -q "lea -0x[a-f0-9]\+(%rip),%r26" x86_64_mov_to_lea3.stdout
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grep -q "lea -0x[a-f0-9]\+(%rip),%rax" x86_64_mov_to_lea4.stdout
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+grep -q "lea -0x[a-f0-9]\+(%rip),%r26" x86_64_mov_to_lea4.stdout
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grep -q "lea -0x[a-f0-9]\+(%rip),%rax" x86_64_mov_to_lea5.stdout
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+grep -q "lea -0x[a-f0-9]\+(%rip),%r26" x86_64_mov_to_lea5.stdout
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grep -q "lea -0x[a-f0-9]\+(%rip),%rax" x86_64_mov_to_lea6.stdout
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+grep -q "lea -0x[a-f0-9]\+(%rip),%r26" x86_64_mov_to_lea6.stdout
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grep -q "mov 0x[a-f0-9]\+(%rip),%rax" x86_64_mov_to_lea7.stdout
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+grep -q "mov 0x[a-f0-9]\+(%rip),%r26" x86_64_mov_to_lea7.stdout
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grep -q "mov 0x[a-f0-9]\+(%rip),%rax" x86_64_mov_to_lea8.stdout
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+grep -q "mov 0x[a-f0-9]\+(%rip),%r26" x86_64_mov_to_lea8.stdout
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grep -q "lea -0x[a-f0-9]\+(%rip),%rax" x86_64_mov_to_lea9.stdout
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+grep -q "lea -0x[a-f0-9]\+(%rip),%r26" x86_64_mov_to_lea9.stdout
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grep -q "lea -0x[a-f0-9]\+(%rip),%rax" x86_64_mov_to_lea10.stdout
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+grep -q "lea -0x[a-f0-9]\+(%rip),%r26" x86_64_mov_to_lea10.stdout
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grep -q "mov 0x[a-f0-9]\+(%rip),%rax" x86_64_mov_to_lea11.stdout
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+grep -q "mov 0x[a-f0-9]\+(%rip),%r26" x86_64_mov_to_lea11.stdout
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grep -q "mov 0x[a-f0-9]\+(%rip),%rax" x86_64_mov_to_lea12.stdout
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+grep -q "mov 0x[a-f0-9]\+(%rip),%r26" x86_64_mov_to_lea12.stdout
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grep -q "lea -0x[a-f0-9]\+(%rip),%rax" x86_64_mov_to_lea13.stdout
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+grep -q "lea -0x[a-f0-9]\+(%rip),%r26" x86_64_mov_to_lea13.stdout
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grep -q "lea -0x[a-f0-9]\+(%rip),%rax" x86_64_mov_to_lea14.stdout
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+grep -q "lea -0x[a-f0-9]\+(%rip),%r26" x86_64_mov_to_lea14.stdout
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grep -q "mov 0x[a-f0-9]\+(%rip),%eax" x86_64_mov_to_lea15.stdout
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+grep -q "mov 0x[a-f0-9]\+(%rip),%r26d" x86_64_mov_to_lea15.stdout
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grep -q "mov 0x[a-f0-9]\+(%rip),%eax" x86_64_mov_to_lea16.stdout
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+grep -q "mov 0x[a-f0-9]\+(%rip),%r26d" x86_64_mov_to_lea16.stdout
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exit 0
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diff -rup binutils.orig/gold/testsuite/x86_64_mov_to_lea1.s binutils-2.41/gold/testsuite/x86_64_mov_to_lea1.s
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--- binutils.orig/gold/testsuite/x86_64_mov_to_lea1.s 2024-01-22 11:32:09.886806313 +0000
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+++ binutils-2.41/gold/testsuite/x86_64_mov_to_lea1.s 2024-01-22 11:32:40.599835054 +0000
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@@ -8,4 +8,5 @@ foo:
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.type _start, @function
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_start:
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movq foo@GOTPCREL(%rip), %rax
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+ movq foo@GOTPCREL(%rip), %r26
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.size _start, .-_start
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diff -rup binutils.orig/gold/testsuite/x86_64_mov_to_lea2.s binutils-2.41/gold/testsuite/x86_64_mov_to_lea2.s
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--- binutils.orig/gold/testsuite/x86_64_mov_to_lea2.s 2024-01-22 11:32:09.887806314 +0000
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+++ binutils-2.41/gold/testsuite/x86_64_mov_to_lea2.s 2024-01-22 11:32:40.599835054 +0000
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@@ -3,4 +3,5 @@
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.type _start, @function
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_start:
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movq _DYNAMIC@GOTPCREL(%rip), %rax
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+ movq _DYNAMIC@GOTPCREL(%rip), %r26
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.size _start, .-_start
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diff -rup binutils.orig/gold/testsuite/x86_64_mov_to_lea3.s binutils-2.41/gold/testsuite/x86_64_mov_to_lea3.s
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--- binutils.orig/gold/testsuite/x86_64_mov_to_lea3.s 2024-01-22 11:32:09.887806314 +0000
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+++ binutils-2.41/gold/testsuite/x86_64_mov_to_lea3.s 2024-01-22 11:32:40.599835054 +0000
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@@ -7,4 +7,5 @@ foo:
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.type _start, @function
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_start:
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movq foo@GOTPCREL(%rip), %rax
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+ movq foo@GOTPCREL(%rip), %r26
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.size _start, .-_start
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diff -rup binutils.orig/gold/testsuite/x86_64_mov_to_lea4.s binutils-2.41/gold/testsuite/x86_64_mov_to_lea4.s
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--- binutils.orig/gold/testsuite/x86_64_mov_to_lea4.s 2024-01-22 11:32:09.887806314 +0000
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+++ binutils-2.41/gold/testsuite/x86_64_mov_to_lea4.s 2024-01-22 11:32:40.599835054 +0000
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@@ -9,4 +9,5 @@ foo:
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.type _start, @function
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_start:
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movq foo@GOTPCREL(%rip), %rax
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+ movq foo@GOTPCREL(%rip), %r26
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.size _start, .-_start
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diff -rup binutils.orig/gold/testsuite/x86_64_mov_to_lea5.s binutils-2.41/gold/testsuite/x86_64_mov_to_lea5.s
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--- binutils.orig/gold/testsuite/x86_64_mov_to_lea5.s 2024-01-22 11:32:09.887806314 +0000
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+++ binutils-2.41/gold/testsuite/x86_64_mov_to_lea5.s 2024-01-22 11:32:40.599835054 +0000
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@@ -9,4 +9,5 @@ foo:
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.type _start, @function
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_start:
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movl foo@GOTPCREL+4(%rip), %eax
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+ movl foo@GOTPCREL+4(%rip), %r26d
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.size _start, .-_start
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diff -rup binutils.orig/gold/x86_64.cc binutils-2.41/gold/x86_64.cc
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--- binutils.orig/gold/x86_64.cc 2024-01-22 11:32:09.889806316 +0000
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+++ binutils-2.41/gold/x86_64.cc 2024-01-22 11:32:48.114841980 +0000
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@@ -1053,8 +1053,9 @@ class Target_x86_64 : public Sized_targe
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gold_assert(gsym != NULL);
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// We cannot do the conversion unless it's one of these relocations.
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if (r_type != elfcpp::R_X86_64_GOTPCREL
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- && r_type != elfcpp::R_X86_64_GOTPCRELX
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- && r_type != elfcpp::R_X86_64_REX_GOTPCRELX)
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+ && r_type != elfcpp::R_X86_64_GOTPCRELX
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+ && r_type != elfcpp::R_X86_64_REX_GOTPCRELX
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+ && r_type != elfcpp::R_X86_64_CODE_4_GOTPCRELX)
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return false;
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// We cannot convert references to IFUNC symbols, or to symbols that
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// are not local to the current module.
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@@ -1109,7 +1110,8 @@ class Target_x86_64 : public Sized_targe
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// Adjust TLS relocation type based on the options and whether this
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// is a local symbol.
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static tls::Tls_optimization
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- optimize_tls_reloc(bool is_final, int r_type);
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+ optimize_tls_reloc(bool is_final, int r_type, size_t r_offset,
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+ const unsigned char* reloc_view);
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|
||||
// Get the GOT section, creating it if necessary.
|
||||
Output_data_got<64, false>*
|
||||
@@ -2877,11 +2879,13 @@ Target_x86_64<size>::got_mod_index_entry
|
||||
|
||||
// Optimize the TLS relocation type based on what we know about the
|
||||
// symbol. IS_FINAL is true if the final address of this symbol is
|
||||
-// known at link time.
|
||||
+// known at link time. RELOC_VIEW points to the relocation offset.
|
||||
|
||||
template<int size>
|
||||
tls::Tls_optimization
|
||||
-Target_x86_64<size>::optimize_tls_reloc(bool is_final, int r_type)
|
||||
+Target_x86_64<size>::optimize_tls_reloc(bool is_final, int r_type,
|
||||
+ size_t r_offset,
|
||||
+ const unsigned char* reloc_view)
|
||||
{
|
||||
// If we are generating a shared library, then we can't do anything
|
||||
// in the linker.
|
||||
@@ -2890,6 +2894,10 @@ Target_x86_64<size>::optimize_tls_reloc(
|
||||
|
||||
switch (r_type)
|
||||
{
|
||||
+ case elfcpp::R_X86_64_CODE_4_GOTPC32_TLSDESC:
|
||||
+ if (r_offset <= 4 || *(reloc_view - 4) != 0xd5)
|
||||
+ return tls::TLSOPT_NONE;
|
||||
+ // Fall through.
|
||||
case elfcpp::R_X86_64_TLSGD:
|
||||
case elfcpp::R_X86_64_GOTPC32_TLSDESC:
|
||||
case elfcpp::R_X86_64_TLSDESC_CALL:
|
||||
@@ -2912,6 +2920,10 @@ Target_x86_64<size>::optimize_tls_reloc(
|
||||
// Another Local-Dynamic reloc.
|
||||
return tls::TLSOPT_TO_LE;
|
||||
|
||||
+ case elfcpp::R_X86_64_CODE_4_GOTTPOFF:
|
||||
+ if (r_offset <= 4 || *(reloc_view - 4) != 0xd5)
|
||||
+ return tls::TLSOPT_NONE;
|
||||
+ // Fall through.
|
||||
case elfcpp::R_X86_64_GOTTPOFF:
|
||||
// These are Initial-Exec relocs which get the thread offset
|
||||
// from the GOT. If we know that we are linking against the
|
||||
@@ -2971,17 +2983,20 @@ Target_x86_64<size>::Scan::get_reference
|
||||
case elfcpp::R_X86_64_GOTPCREL:
|
||||
case elfcpp::R_X86_64_GOTPCRELX:
|
||||
case elfcpp::R_X86_64_REX_GOTPCRELX:
|
||||
+ case elfcpp::R_X86_64_CODE_4_GOTPCRELX:
|
||||
case elfcpp::R_X86_64_GOTPLT64:
|
||||
// Absolute in GOT.
|
||||
return Symbol::ABSOLUTE_REF;
|
||||
|
||||
case elfcpp::R_X86_64_TLSGD: // Global-dynamic
|
||||
case elfcpp::R_X86_64_GOTPC32_TLSDESC: // Global-dynamic (from ~oliva url)
|
||||
+ case elfcpp::R_X86_64_CODE_4_GOTPC32_TLSDESC:
|
||||
case elfcpp::R_X86_64_TLSDESC_CALL:
|
||||
case elfcpp::R_X86_64_TLSLD: // Local-dynamic
|
||||
case elfcpp::R_X86_64_DTPOFF32:
|
||||
case elfcpp::R_X86_64_DTPOFF64:
|
||||
case elfcpp::R_X86_64_GOTTPOFF: // Initial-exec
|
||||
+ case elfcpp::R_X86_64_CODE_4_GOTTPOFF:
|
||||
case elfcpp::R_X86_64_TPOFF32: // Local-exec
|
||||
return Symbol::TLS_REF;
|
||||
|
||||
@@ -3146,6 +3161,8 @@ Target_x86_64<size>::Scan::local(Symbol_
|
||||
target->make_local_ifunc_plt_entry(symtab, layout, object, r_sym);
|
||||
}
|
||||
|
||||
+ const unsigned char* reloc_view = NULL;
|
||||
+
|
||||
switch (r_type)
|
||||
{
|
||||
case elfcpp::R_X86_64_NONE:
|
||||
@@ -3251,6 +3268,7 @@ Target_x86_64<size>::Scan::local(Symbol_
|
||||
case elfcpp::R_X86_64_GOTPCREL:
|
||||
case elfcpp::R_X86_64_GOTPCRELX:
|
||||
case elfcpp::R_X86_64_REX_GOTPCRELX:
|
||||
+ case elfcpp::R_X86_64_CODE_4_GOTPCRELX:
|
||||
case elfcpp::R_X86_64_GOTPLT64:
|
||||
{
|
||||
// The symbol requires a GOT section.
|
||||
@@ -3261,21 +3279,30 @@ Target_x86_64<size>::Scan::local(Symbol_
|
||||
// mov foo@GOTPCREL(%rip), %reg
|
||||
// to lea foo(%rip), %reg.
|
||||
// in Relocate::relocate.
|
||||
+ size_t r_offset = reloc.get_r_offset();
|
||||
if (!parameters->incremental()
|
||||
- && (r_type == elfcpp::R_X86_64_GOTPCREL
|
||||
- || r_type == elfcpp::R_X86_64_GOTPCRELX
|
||||
- || r_type == elfcpp::R_X86_64_REX_GOTPCRELX)
|
||||
+ && (((r_type == elfcpp::R_X86_64_GOTPCREL
|
||||
+ || r_type == elfcpp::R_X86_64_GOTPCRELX
|
||||
+ || r_type == elfcpp::R_X86_64_REX_GOTPCRELX)
|
||||
+ && r_offset >= 2)
|
||||
+ || (r_type == elfcpp::R_X86_64_CODE_4_GOTPCRELX
|
||||
+ && r_offset >= 4))
|
||||
&& reloc.get_r_addend() == -4
|
||||
- && reloc.get_r_offset() >= 2
|
||||
&& !is_ifunc)
|
||||
{
|
||||
section_size_type stype;
|
||||
const unsigned char* view = object->section_contents(data_shndx,
|
||||
&stype, true);
|
||||
- if (view[reloc.get_r_offset() - 2] == 0x8b)
|
||||
+ if (r_type == elfcpp::R_X86_64_CODE_4_GOTPCRELX
|
||||
+ && view[r_offset - 4] != 0xd5)
|
||||
+ goto need_got;
|
||||
+
|
||||
+ if (view[r_offset - 2] == 0x8b)
|
||||
break;
|
||||
}
|
||||
|
||||
+need_got:
|
||||
+
|
||||
// The symbol requires a GOT entry.
|
||||
unsigned int r_sym = elfcpp::elf_r_sym<size>(reloc.get_r_info());
|
||||
|
||||
@@ -3333,6 +3360,13 @@ Target_x86_64<size>::Scan::local(Symbol_
|
||||
break;
|
||||
|
||||
// These are initial tls relocs, which are expected when linking
|
||||
+ case elfcpp::R_X86_64_CODE_4_GOTPC32_TLSDESC:
|
||||
+ case elfcpp::R_X86_64_CODE_4_GOTTPOFF:
|
||||
+ {
|
||||
+ section_size_type stype;
|
||||
+ reloc_view = object->section_contents(data_shndx, &stype, true);
|
||||
+ }
|
||||
+ // Fall through.
|
||||
case elfcpp::R_X86_64_TLSGD: // Global-dynamic
|
||||
case elfcpp::R_X86_64_GOTPC32_TLSDESC: // Global-dynamic (from ~oliva url)
|
||||
case elfcpp::R_X86_64_TLSDESC_CALL:
|
||||
@@ -3343,9 +3377,11 @@ Target_x86_64<size>::Scan::local(Symbol_
|
||||
case elfcpp::R_X86_64_TPOFF32: // Local-exec
|
||||
{
|
||||
bool output_is_shared = parameters->options().shared();
|
||||
+ size_t r_offset = reloc.get_r_offset();
|
||||
const tls::Tls_optimization optimized_type
|
||||
= Target_x86_64<size>::optimize_tls_reloc(!output_is_shared,
|
||||
- r_type);
|
||||
+ r_type, r_offset,
|
||||
+ reloc_view + r_offset);
|
||||
switch (r_type)
|
||||
{
|
||||
case elfcpp::R_X86_64_TLSGD: // General-dynamic
|
||||
@@ -3374,6 +3410,7 @@ Target_x86_64<size>::Scan::local(Symbol_
|
||||
break;
|
||||
|
||||
case elfcpp::R_X86_64_GOTPC32_TLSDESC:
|
||||
+ case elfcpp::R_X86_64_CODE_4_GOTPC32_TLSDESC:
|
||||
target->define_tls_base_symbol(symtab, layout);
|
||||
if (optimized_type == tls::TLSOPT_NONE)
|
||||
{
|
||||
@@ -3426,6 +3463,7 @@ Target_x86_64<size>::Scan::local(Symbol_
|
||||
break;
|
||||
|
||||
case elfcpp::R_X86_64_GOTTPOFF: // Initial-exec
|
||||
+ case elfcpp::R_X86_64_CODE_4_GOTTPOFF:
|
||||
layout->set_has_static_tls();
|
||||
if (optimized_type == tls::TLSOPT_NONE)
|
||||
{
|
||||
@@ -3498,6 +3536,7 @@ Target_x86_64<size>::Scan::possible_func
|
||||
case elfcpp::R_X86_64_GOTPCREL:
|
||||
case elfcpp::R_X86_64_GOTPCRELX:
|
||||
case elfcpp::R_X86_64_REX_GOTPCRELX:
|
||||
+ case elfcpp::R_X86_64_CODE_4_GOTPCRELX:
|
||||
case elfcpp::R_X86_64_GOTPLT64:
|
||||
{
|
||||
return true;
|
||||
@@ -3602,6 +3641,8 @@ Target_x86_64<size>::Scan::global(Symbol
|
||||
&& this->reloc_needs_plt_for_ifunc(object, r_type))
|
||||
target->make_plt_entry(symtab, layout, gsym);
|
||||
|
||||
+ const unsigned char *reloc_view = NULL;
|
||||
+
|
||||
switch (r_type)
|
||||
{
|
||||
case elfcpp::R_X86_64_NONE:
|
||||
@@ -3714,6 +3755,7 @@ Target_x86_64<size>::Scan::global(Symbol
|
||||
case elfcpp::R_X86_64_GOTPCREL:
|
||||
case elfcpp::R_X86_64_GOTPCRELX:
|
||||
case elfcpp::R_X86_64_REX_GOTPCRELX:
|
||||
+ case elfcpp::R_X86_64_CODE_4_GOTPCRELX:
|
||||
case elfcpp::R_X86_64_GOTPLT64:
|
||||
{
|
||||
// The symbol requires a GOT entry.
|
||||
@@ -3736,8 +3778,12 @@ Target_x86_64<size>::Scan::global(Symbol
|
||||
size_t r_offset = reloc.get_r_offset();
|
||||
if (!parameters->incremental()
|
||||
&& reloc.get_r_addend() == -4
|
||||
- && r_offset >= 2
|
||||
- && Target_x86_64<size>::can_convert_mov_to_lea(gsym, r_type,
|
||||
+ && ((r_type != elfcpp::R_X86_64_CODE_4_GOTPCRELX
|
||||
+ && r_offset >= 2)
|
||||
+ || (r_type == elfcpp::R_X86_64_CODE_4_GOTPCRELX
|
||||
+ && r_offset >= 4
|
||||
+ && view[r_offset - 4] == 0xd5))
|
||||
+ && Target_x86_64<size>::can_convert_mov_to_lea(gsym, r_type,
|
||||
r_offset, &view))
|
||||
break;
|
||||
|
||||
@@ -3854,6 +3900,13 @@ Target_x86_64<size>::Scan::global(Symbol
|
||||
break;
|
||||
|
||||
// These are initial tls relocs, which are expected for global()
|
||||
+ case elfcpp::R_X86_64_CODE_4_GOTPC32_TLSDESC:
|
||||
+ case elfcpp::R_X86_64_CODE_4_GOTTPOFF:
|
||||
+ {
|
||||
+ section_size_type stype;
|
||||
+ reloc_view = object->section_contents(data_shndx, &stype, true);
|
||||
+ }
|
||||
+ // Fall through.
|
||||
case elfcpp::R_X86_64_TLSGD: // Global-dynamic
|
||||
case elfcpp::R_X86_64_GOTPC32_TLSDESC: // Global-dynamic (from ~oliva url)
|
||||
case elfcpp::R_X86_64_TLSDESC_CALL:
|
||||
@@ -3866,11 +3919,15 @@ Target_x86_64<size>::Scan::global(Symbol
|
||||
// For the Initial-Exec model, we can treat undef symbols as final
|
||||
// when building an executable.
|
||||
const bool is_final = (gsym->final_value_is_known() ||
|
||||
- (r_type == elfcpp::R_X86_64_GOTTPOFF &&
|
||||
+ ((r_type == elfcpp::R_X86_64_GOTTPOFF ||
|
||||
+ r_type == elfcpp::R_X86_64_CODE_4_GOTTPOFF) &&
|
||||
gsym->is_undefined() &&
|
||||
parameters->options().output_is_executable()));
|
||||
+ size_t r_offset = reloc.get_r_offset();
|
||||
const tls::Tls_optimization optimized_type
|
||||
- = Target_x86_64<size>::optimize_tls_reloc(is_final, r_type);
|
||||
+ = Target_x86_64<size>::optimize_tls_reloc(is_final, r_type,
|
||||
+ r_offset,
|
||||
+ reloc_view + r_offset);
|
||||
switch (r_type)
|
||||
{
|
||||
case elfcpp::R_X86_64_TLSGD: // General-dynamic
|
||||
@@ -3899,6 +3956,7 @@ Target_x86_64<size>::Scan::global(Symbol
|
||||
break;
|
||||
|
||||
case elfcpp::R_X86_64_GOTPC32_TLSDESC:
|
||||
+ case elfcpp::R_X86_64_CODE_4_GOTPC32_TLSDESC:
|
||||
target->define_tls_base_symbol(symtab, layout);
|
||||
if (optimized_type == tls::TLSOPT_NONE)
|
||||
{
|
||||
@@ -3947,6 +4005,7 @@ Target_x86_64<size>::Scan::global(Symbol
|
||||
break;
|
||||
|
||||
case elfcpp::R_X86_64_GOTTPOFF: // Initial-exec
|
||||
+ case elfcpp::R_X86_64_CODE_4_GOTTPOFF:
|
||||
layout->set_has_static_tls();
|
||||
if (optimized_type == tls::TLSOPT_NONE)
|
||||
{
|
||||
@@ -4420,6 +4479,7 @@ Target_x86_64<size>::Relocate::relocate(
|
||||
case elfcpp::R_X86_64_GOTPCREL:
|
||||
case elfcpp::R_X86_64_GOTPCRELX:
|
||||
case elfcpp::R_X86_64_REX_GOTPCRELX:
|
||||
+ case elfcpp::R_X86_64_CODE_4_GOTPCRELX:
|
||||
{
|
||||
bool converted_p = false;
|
||||
|
||||
@@ -4541,11 +4601,13 @@ Target_x86_64<size>::Relocate::relocate(
|
||||
// These are initial tls relocs, which are expected when linking
|
||||
case elfcpp::R_X86_64_TLSGD: // Global-dynamic
|
||||
case elfcpp::R_X86_64_GOTPC32_TLSDESC: // Global-dynamic (from ~oliva url)
|
||||
+ case elfcpp::R_X86_64_CODE_4_GOTPC32_TLSDESC:
|
||||
case elfcpp::R_X86_64_TLSDESC_CALL:
|
||||
case elfcpp::R_X86_64_TLSLD: // Local-dynamic
|
||||
case elfcpp::R_X86_64_DTPOFF32:
|
||||
case elfcpp::R_X86_64_DTPOFF64:
|
||||
case elfcpp::R_X86_64_GOTTPOFF: // Initial-exec
|
||||
+ case elfcpp::R_X86_64_CODE_4_GOTTPOFF:
|
||||
case elfcpp::R_X86_64_TPOFF32: // Local-exec
|
||||
this->relocate_tls(relinfo, target, relnum, rela, r_type, gsym, psymval,
|
||||
view, address, view_size);
|
||||
@@ -4617,8 +4679,10 @@ Target_x86_64<size>::Relocate::relocate_
|
||||
const bool is_final = (gsym == NULL
|
||||
? !parameters->options().shared()
|
||||
: gsym->final_value_is_known());
|
||||
+ size_t r_offset = rela.get_r_offset();
|
||||
tls::Tls_optimization optimized_type
|
||||
- = Target_x86_64<size>::optimize_tls_reloc(is_final, r_type);
|
||||
+ = Target_x86_64<size>::optimize_tls_reloc(is_final, r_type,
|
||||
+ r_offset, view);
|
||||
switch (r_type)
|
||||
{
|
||||
case elfcpp::R_X86_64_TLSGD: // Global-dynamic
|
||||
@@ -4685,6 +4749,7 @@ Target_x86_64<size>::Relocate::relocate_
|
||||
break;
|
||||
|
||||
case elfcpp::R_X86_64_GOTPC32_TLSDESC: // Global-dynamic (from ~oliva url)
|
||||
+ case elfcpp::R_X86_64_CODE_4_GOTPC32_TLSDESC:
|
||||
case elfcpp::R_X86_64_TLSDESC_CALL:
|
||||
if (!is_executable && optimized_type == tls::TLSOPT_TO_LE)
|
||||
{
|
||||
@@ -4710,7 +4775,8 @@ Target_x86_64<size>::Relocate::relocate_
|
||||
? GOT_TYPE_TLS_OFFSET
|
||||
: GOT_TYPE_TLS_DESC);
|
||||
unsigned int got_offset = 0;
|
||||
- if (r_type == elfcpp::R_X86_64_GOTPC32_TLSDESC
|
||||
+ if ((r_type == elfcpp::R_X86_64_GOTPC32_TLSDESC
|
||||
+ || r_type == elfcpp::R_X86_64_CODE_4_GOTPC32_TLSDESC)
|
||||
&& optimized_type == tls::TLSOPT_NONE)
|
||||
{
|
||||
// We created GOT entries in the .got.tlsdesc portion of
|
||||
@@ -4741,7 +4807,8 @@ Target_x86_64<size>::Relocate::relocate_
|
||||
}
|
||||
else if (optimized_type == tls::TLSOPT_NONE)
|
||||
{
|
||||
- if (r_type == elfcpp::R_X86_64_GOTPC32_TLSDESC)
|
||||
+ if (r_type == elfcpp::R_X86_64_GOTPC32_TLSDESC
|
||||
+ || r_type == elfcpp::R_X86_64_CODE_4_GOTPC32_TLSDESC)
|
||||
{
|
||||
// Relocate the field with the offset of the pair of GOT
|
||||
// entries.
|
||||
@@ -4826,6 +4893,7 @@ Target_x86_64<size>::Relocate::relocate_
|
||||
break;
|
||||
|
||||
case elfcpp::R_X86_64_GOTTPOFF: // Initial-exec
|
||||
+ case elfcpp::R_X86_64_CODE_4_GOTTPOFF:
|
||||
if (gsym != NULL
|
||||
&& gsym->is_undefined()
|
||||
&& parameters->options().output_is_executable())
|
||||
@@ -5032,7 +5100,8 @@ Target_x86_64<size>::Relocate::tls_desc_
|
||||
typename elfcpp::Elf_types<size>::Elf_Addr address,
|
||||
section_size_type view_size)
|
||||
{
|
||||
- if (r_type == elfcpp::R_X86_64_GOTPC32_TLSDESC)
|
||||
+ if (r_type == elfcpp::R_X86_64_GOTPC32_TLSDESC
|
||||
+ || r_type == elfcpp::R_X86_64_CODE_4_GOTPC32_TLSDESC)
|
||||
{
|
||||
// LP64: leaq foo@tlsdesc(%rip), %rax
|
||||
// ==> movq foo@gottpoff(%rip), %rax
|
||||
@@ -5041,7 +5110,8 @@ Target_x86_64<size>::Relocate::tls_desc_
|
||||
tls::check_range(relinfo, relnum, rela.get_r_offset(), view_size, -3);
|
||||
tls::check_range(relinfo, relnum, rela.get_r_offset(), view_size, 4);
|
||||
tls::check_tls(relinfo, relnum, rela.get_r_offset(),
|
||||
- (((view[-3] & 0xfb) == 0x48
|
||||
+ ((r_type == elfcpp::R_X86_64_CODE_4_GOTPC32_TLSDESC
|
||||
+ || (view[-3] & 0xfb) == 0x48
|
||||
|| (size == 32 && (view[-3] & 0xfb) == 0x40))
|
||||
&& view[-2] == 0x8d
|
||||
&& (view[-1] & 0xc7) == 0x05));
|
||||
@@ -5113,6 +5183,22 @@ Target_x86_64<size>::Relocate::tls_desc_
|
||||
value -= tls_segment->memsz();
|
||||
Relocate_functions<size, false>::rela32(view, value, 0);
|
||||
}
|
||||
+ else if (r_type == elfcpp::R_X86_64_CODE_4_GOTPC32_TLSDESC)
|
||||
+ {
|
||||
+ // REX2: lea foo@tlsdesc(%rip), %reg
|
||||
+ // ==> mov foo@tpoff, %reg
|
||||
+ tls::check_range(relinfo, relnum, rela.get_r_offset(), view_size, -3);
|
||||
+ tls::check_range(relinfo, relnum, rela.get_r_offset(), view_size, 4);
|
||||
+ tls::check_tls(relinfo, relnum, rela.get_r_offset(),
|
||||
+ (view[-2] == 0x8d
|
||||
+ && (view[-1] & 0xc7) == 0x05));
|
||||
+ unsigned char rex2_mask = 4 | 4 << 4;
|
||||
+ view[-3] = (view[-3] & ~rex2_mask) | ((view[-3] & rex2_mask) >> 2);
|
||||
+ view[-2] = 0xc7;
|
||||
+ view[-1] = 0xc0 | ((view[-1] >> 3) & 7);
|
||||
+ value -= tls_segment->memsz();
|
||||
+ Relocate_functions<size, false>::rela32(view, value, 0);
|
||||
+ }
|
||||
else
|
||||
{
|
||||
// LP64: call *foo@tlscall(%rax)
|
||||
@@ -5212,7 +5298,7 @@ Target_x86_64<size>::Relocate::tls_ie_to
|
||||
size_t relnum,
|
||||
Output_segment* tls_segment,
|
||||
const elfcpp::Rela<size, false>& rela,
|
||||
- unsigned int,
|
||||
+ unsigned int r_type,
|
||||
typename elfcpp::Elf_types<size>::Elf_Addr value,
|
||||
unsigned char* view,
|
||||
section_size_type view_size)
|
||||
@@ -5231,35 +5317,50 @@ Target_x86_64<size>::Relocate::tls_ie_to
|
||||
unsigned char op3 = view[-1];
|
||||
unsigned char reg = op3 >> 3;
|
||||
|
||||
- if (op2 == 0x8b)
|
||||
+ if (r_type == elfcpp::R_X86_64_GOTTPOFF)
|
||||
{
|
||||
- // movq
|
||||
- if (op1 == 0x4c)
|
||||
- view[-3] = 0x49;
|
||||
- else if (size == 32 && op1 == 0x44)
|
||||
- view[-3] = 0x41;
|
||||
- view[-2] = 0xc7;
|
||||
- view[-1] = 0xc0 | reg;
|
||||
- }
|
||||
- else if (reg == 4)
|
||||
- {
|
||||
- // Special handling for %rsp.
|
||||
- if (op1 == 0x4c)
|
||||
- view[-3] = 0x49;
|
||||
- else if (size == 32 && op1 == 0x44)
|
||||
- view[-3] = 0x41;
|
||||
- view[-2] = 0x81;
|
||||
- view[-1] = 0xc0 | reg;
|
||||
+ if (op2 == 0x8b)
|
||||
+ {
|
||||
+ // movq
|
||||
+ if (op1 == 0x4c)
|
||||
+ view[-3] = 0x49;
|
||||
+ else if (size == 32 && op1 == 0x44)
|
||||
+ view[-3] = 0x41;
|
||||
+ view[-2] = 0xc7;
|
||||
+ view[-1] = 0xc0 | reg;
|
||||
+ }
|
||||
+ else if (reg == 4)
|
||||
+ {
|
||||
+ // Special handling for %rsp.
|
||||
+ if (op1 == 0x4c)
|
||||
+ view[-3] = 0x49;
|
||||
+ else if (size == 32 && op1 == 0x44)
|
||||
+ view[-3] = 0x41;
|
||||
+ view[-2] = 0x81;
|
||||
+ view[-1] = 0xc0 | reg;
|
||||
+ }
|
||||
+ else
|
||||
+ {
|
||||
+ // addq
|
||||
+ if (op1 == 0x4c)
|
||||
+ view[-3] = 0x4d;
|
||||
+ else if (size == 32 && op1 == 0x44)
|
||||
+ view[-3] = 0x45;
|
||||
+ view[-2] = 0x8d;
|
||||
+ view[-1] = 0x80 | reg | (reg << 3);
|
||||
+ }
|
||||
}
|
||||
else
|
||||
{
|
||||
- // addq
|
||||
- if (op1 == 0x4c)
|
||||
- view[-3] = 0x4d;
|
||||
- else if (size == 32 && op1 == 0x44)
|
||||
- view[-3] = 0x45;
|
||||
- view[-2] = 0x8d;
|
||||
- view[-1] = 0x80 | reg | (reg << 3);
|
||||
+ if (op2 == 0x8b)
|
||||
+ op2 = 0xc7;
|
||||
+ else
|
||||
+ op2 = 0x81;
|
||||
+
|
||||
+ unsigned char rex2_mask = 4 | 4 << 4;
|
||||
+ view[-3] = (view[-3] & ~rex2_mask) | ((view[-3] & rex2_mask) >> 2);
|
||||
+ view[-2] = op2;
|
||||
+ view[-1] = 0xc0 | reg;
|
||||
}
|
||||
|
||||
if (tls_segment != NULL)
|
||||
|
||||
@ -2,7 +2,7 @@
|
||||
Summary: A GNU collection of binary utilities
|
||||
Name: binutils%{?_with_debug:-debug}
|
||||
Version: 2.41
|
||||
Release: 29%{?dist}
|
||||
Release: 30%{?dist}
|
||||
License: GPL-3.0-or-later AND (GPL-3.0-or-later WITH Bison-exception-2.2) AND (LGPL-2.0-or-later WITH GCC-exception-2.0) AND BSD-3-Clause AND GFDL-1.3-or-later AND GPL-2.0-or-later AND LGPL-2.1-or-later AND LGPL-2.0-or-later
|
||||
URL: https://sourceware.org/binutils
|
||||
|
||||
@ -1354,6 +1354,9 @@ exit 0
|
||||
|
||||
#----------------------------------------------------------------------------
|
||||
%changelog
|
||||
* Mon Jan 22 2024 Nick Clifton <nickc@redhat.com> - 2.41-30
|
||||
- Import commits 4a54cb06585f568031dfd291d0fe45979ad75e98 and 00a17c6ad068c95019e1f37cfc2d1b8aaebd6ecb to add APX support to GOLD.
|
||||
|
||||
* Sat Jan 20 2024 Jakub Jelinek <jakub@redhat.com> - 2.41-29
|
||||
- Import commit eed38d8a02b2 to update APX support. (#2259333)
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user