[PATCH] x86-64: Support APX NF TLS IE with 2 operands

H.J. Lu hjl.tools@gmail.com
Wed Jul 3 01:55:28 GMT 2024


On Wed, Jul 3, 2024, 9:19 AM kong lingling <lingling.kong7@gmail.com> wrote:

> Support APX NF TLS IE with 2 operands.Verify it with ld and gold.
>
> gas/
>
>         * config/tc-i386.c (md_assemble): Allow APX NF TLS IE with
>         2 operands.
>         * testsuite/gas/i386/x86-64-gottpoff.d: Updated.
>         * testsuite/gas/i386/x86-64-gottpoff.s: Add APX NF TLS IE
>         tests with 2 operands.
>
> gold/
>
>         * testsuite/x86_64_ie_to_le.s: Add APX NF TLS IE tests with
>         2 operands.
>         * testsuite/x86_64_ie_to_le.sh: Updated.
>
> ld/
>
>         * testsuite/ld-x86-64/tlsbindesc.s: Add APX NF TLS IE tests
>         with 2 operands.
>         * testsuite/ld-x86-64/tlsbindesc.d: Updated.
>         * testsuite/ld-x86-64/tlsbindesc.rd: Likewise.
> ---
>  gas/config/tc-i386.c                     | 10 +++++--
>  gas/testsuite/gas/i386/x86-64-gottpoff.d |  4 +++
>  gas/testsuite/gas/i386/x86-64-gottpoff.s | 10 +++++++
>  gold/testsuite/x86_64_ie_to_le.s         |  1 +
>  gold/testsuite/x86_64_ie_to_le.sh        |  1 +
>  ld/testsuite/ld-x86-64/tlsbindesc.dd     | 12 ++++++++
>  ld/testsuite/ld-x86-64/tlsbindesc.rd     | 36 ++++++++++++------------
>  ld/testsuite/ld-x86-64/tlsbindesc.s      |  4 +++
>  8 files changed, 58 insertions(+), 20 deletions(-)
>
> diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
> index 2e194313960..3b4d9cacc2e 100644
> --- a/gas/config/tc-i386.c
> +++ b/gas/config/tc-i386.c
> @@ -7545,8 +7545,14 @@ md_assemble (char *line)
>                 && i.base_reg
>                 && i.base_reg->reg_num == RegIP
>                 && i.tm.operand_types[0].bitfield.class == Reg
> -               && i.tm.operand_types[2].bitfield.class == Reg)
> -             /* Allow APX: add %reg1, foo@gottpoff(%rip), %reg2.  */
> +               && (i.tm.operand_types[2].bitfield.class == Reg
> +                   || i.tm.operands == 2))
> +             /* Allow APX:
> +                add %reg1, foo@gottpoff(%rip), %reg2
> +                add foo@gottpoff(%rip), %reg, %reg2
> +                {nf} add foo@gottpoff(%rip), %reg
> +                {nf} add %reg1, foo@gottpoff(%rip), %reg2
> +                {nf} add foo@gottpoff(%rip), %reg, %reg2.  */
>               break;
>             /* Fall through.  */
>           case BFD_RELOC_386_TLS_GOTIE:
> diff --git a/gas/testsuite/gas/i386/x86-64-gottpoff.d
> b/gas/testsuite/gas/i386/x86-64-gottpoff.d
> index 5d0dd582425..8f1c10f936c 100644
> --- a/gas/testsuite/gas/i386/x86-64-gottpoff.d
> +++ b/gas/testsuite/gas/i386/x86-64-gottpoff.d
> @@ -24,4 +24,8 @@ Disassembly of section .text:
>   +[a-f0-9]+:   62 f4 9c 18 03 05 00 00 00 00   add
> 0x0\(%rip\),%rax,%r12        # 78 <_start\+0x78> 74:
> R_X86_64_CODE_6_GOTTPOFF    foo-0x4
>   +[a-f0-9]+:   62 74 fc 14 01 05 00 00 00 00   \{nf\} add
> %r8,0x0\(%rip\),%r16        # 82 <_start\+0x82>      7e:
> R_X86_64_CODE_6_GOTTPOFF    foo-0x4
>   +[a-f0-9]+:   62 f4 9c 1c 03 05 00 00 00 00   \{nf\} add
> 0x0\(%rip\),%rax,%r12        # 8c <_start\+0x8c>     88:
> R_X86_64_CODE_6_GOTTPOFF    foo-0x4
> + +[a-f0-9]+:   62 f4 fc 0c 03 05 00 00 00 00   \{nf\} add
> 0x0\(%rip\),%rax        # 96 <_start\+0x96>  92: R_X86_64_CODE_6_GOTTPOFF
>   foo-0x4
> + +[a-f0-9]+:   62 e4 fc 0c 03 05 00 00 00 00   \{nf\} add
> 0x0\(%rip\),%r16        # a0 <_start\+0xa0>  9c: R_X86_64_CODE_6_GOTTPOFF
>   foo-0x4
> + +[a-f0-9]+:   62 f4 fc 0c 03 05 00 00 00 00   \{nf\} add
> 0x0\(%rip\),%rax        # aa <_start\+0xaa>  a6: R_X86_64_CODE_6_GOTTPOFF
>   foo-0x4
> + +[a-f0-9]+:   62 e4 fc 0c 03 05 00 00 00 00   \{nf\} add
> 0x0\(%rip\),%r16        # b4 <_start\+0xb4>  b0: R_X86_64_CODE_6_GOTTPOFF
>   foo-0x4
>  #pass
> diff --git a/gas/testsuite/gas/i386/x86-64-gottpoff.s
> b/gas/testsuite/gas/i386/x86-64-gottpoff.s
> index d1f55017b0a..48d8a59a746 100644
> --- a/gas/testsuite/gas/i386/x86-64-gottpoff.s
> +++ b/gas/testsuite/gas/i386/x86-64-gottpoff.s
> @@ -27,3 +27,13 @@ _start:
>         add     r12, rax, QWORD PTR [rip + foo@GOTTPOFF]
>         {nf} add        r16, QWORD PTR [rip + foo@GOTTPOFF], r8
>         {nf} add        r12, rax, QWORD PTR [rip + foo@GOTTPOFF]
> +
> +       .att_syntax prefix
> +
> +       {nf} addq       foo@GOTTPOFF(%rip), %rax
> +       {nf} addq       foo@GOTTPOFF(%rip), %r16
> +
> +       .intel_syntax noprefix
> +
> +       {nf} add        rax, QWORD PTR [rip + foo@GOTTPOFF]
> +       {nf} add        r16, QWORD PTR [rip + foo@GOTTPOFF]
> diff --git a/gold/testsuite/x86_64_ie_to_le.s
> b/gold/testsuite/x86_64_ie_to_le.s
> index 56f3dfcc35e..4bf3f4abafb 100644
> --- a/gold/testsuite/x86_64_ie_to_le.s
> +++ b/gold/testsuite/x86_64_ie_to_le.s
> @@ -9,6 +9,7 @@ _start:
>         movq    foo@gottpoff(%rip), %r20
>         addq    %r30, foo@gottpoff(%rip), %r8
>         addq    foo@gottpoff(%rip), %rax, %r20
> +       {nf} addq       foo@gottpoff(%rip), %r16
>         {nf} addq       %r30, foo@gottpoff(%rip), %r8
>         {nf} addq       foo@gottpoff(%rip), %rax, %r20
>         .size   _start, .-_start
> diff --git a/gold/testsuite/x86_64_ie_to_le.sh
> b/gold/testsuite/x86_64_ie_to_le.sh
> index 29272727c5a..10e84686db8 100755
> --- a/gold/testsuite/x86_64_ie_to_le.sh
> +++ b/gold/testsuite/x86_64_ie_to_le.sh
> @@ -29,5 +29,6 @@ grep -q "add[ \t]\+\$0x[a-f0-9]\+,%r16"
> x86_64_ie_to_le.stdout
>  grep -q "mov[ \t]\+\$0x[a-f0-9]\+,%r20" x86_64_ie_to_le.stdout
>  grep -q "add[ \t]\+\$0x[a-f0-9]\+,%r30,%r8" x86_64_ie_to_le.stdout
>  grep -q "add[ \t]\+\$0x[a-f0-9]\+,%rax,%r20" x86_64_ie_to_le.stdout
> +grep -q "\{nf\} add[ \t]\+\$0x[a-f0-9]\+,%r16" x86_64_ie_to_le.stdout
>  grep -q "\{nf\} add[ \t]\+\$0x[a-f0-9]\+,%r30,%r8" x86_64_ie_to_le.stdout
>  grep -q "\{nf\} add[ \t]\+\$0x[a-f0-9]\+,%rax,%r20" x86_64_ie_to_le.stdout
> diff --git a/ld/testsuite/ld-x86-64/tlsbindesc.dd
> b/ld/testsuite/ld-x86-64/tlsbindesc.dd
> index 7aa1b922b3c..601dfc2fc6d 100644
> --- a/ld/testsuite/ld-x86-64/tlsbindesc.dd
> +++ b/ld/testsuite/ld-x86-64/tlsbindesc.dd
> @@ -173,6 +173,9 @@ Disassembly of section .text:
>  #                              -> R_X86_64_TPOFF64     sG2
>   +[0-9a-f]+:   ([0-9a-f]{2} ){3} *
>   +[0-9a-f]+:   62 f4 fc 10 03 ([0-9a-f]{2} ){2}[       ]+add
> 0x[0-9a-f]+\(%rip\),%rax,%r16 +# [0-9a-f]+ <sG2>
> +#                              -> R_X86_64_TPOFF64     sG2
> + +[0-9a-f]+:   ([0-9a-f]{2} ){3} *
> + +[0-9a-f]+:   62 e4 fc 0c 03 ([0-9a-f]{2} ){2}[       ]+\{nf\} add
> 0x[0-9a-f]+\(%rip\),%r16 +# [0-9a-f]+ <sG2>
>  #                              -> R_X86_64_TPOFF64     sG2
>   +[0-9a-f]+:   ([0-9a-f]{2} ){3} *
>   +[0-9a-f]+:   62 f4 fc 14 01 ([0-9a-f]{2} ){2}[       ]+\{nf\} add
> %rax,0x[0-9a-f]+\(%rip\),%r16 +# [0-9a-f]+ <sG2>
> @@ -189,6 +192,9 @@ Disassembly of section .text:
>  #                                                      sg1
>   +[0-9a-f]+:   ff ff ff *
>   +[0-9a-f]+:   62 d4 f4 10 81 ([0-9a-f]{2} ){2}[       ]+add
> \$0x[0-9a-f]+,%r8,%r17
> +#                                                      sg1
> + +[0-9a-f]+:   ff ff ff *
> + +[0-9a-f]+:   62 fc fc 0c 81 ([0-9a-f]{2} ){2}[       ]+\{nf\} add
> \$0x[0-9a-f]+,%r17
>  #                                                      sg1
>   +[0-9a-f]+:   ff ff ff *
>   +[0-9a-f]+:   62 d4 f4 14 81 ([0-9a-f]{2} ){2}[       ]+\{nf\} add
> \$0x[0-9a-f]+,%r8,%r17
> @@ -205,6 +211,9 @@ Disassembly of section .text:
>  #                                                      sl1
>   +[0-9a-f]+:   ff ff ff *
>   +[0-9a-f]+:   62 d4 fc 18 81 ([0-9a-f]{2} ){2}[       ]+add
> \$0x[0-9a-f]+,%r8,%rax
> +#                                                      sl1
> + +[0-9a-f]+:   ff ff ff *
> + +[0-9a-f]+:   62 fc fc 0c 81 ([0-9a-f]{2} ){2}[       ]+\{nf\} add
> \$0x[0-9a-f]+,%r18
>  #                                                      sl1
>   +[0-9a-f]+:   ff ff ff *
>   +[0-9a-f]+:   62 d4 fc 1c 81 ([0-9a-f]{2} ){2}[       ]+\{nf\} add
> \$0x[0-9a-f]+,%r8,%rax
> @@ -221,6 +230,9 @@ Disassembly of section .text:
>  #                                                      sh1
>   +[0-9a-f]+:   ff ff ff *
>   +[0-9a-f]+:   62 fc bc 18 81 ([0-9a-f]{2} ){2}[       ]+add
> \$0x[0-9a-f]+,%r19,%r8
> +#                                                      sh1
> + +[0-9a-f]+:   ff ff ff *
> + +[0-9a-f]+:   62 fc fc 0c 81 ([0-9a-f]{2} ){2}[       ]+\{nf\} add
> \$0x[0-9a-f]+,%r19
>  #                                                      sh1
>   +[0-9a-f]+:   ff ff ff *
>   +[0-9a-f]+:   62 fc bc 1c 81 ([0-9a-f]{2} ){2}[       ]+\{nf\} add
> \$0x[0-9a-f]+,%r19,%r8
> diff --git a/ld/testsuite/ld-x86-64/tlsbindesc.rd
> b/ld/testsuite/ld-x86-64/tlsbindesc.rd
> index 1e0348e963f..2fc965aef20 100644
> --- a/ld/testsuite/ld-x86-64/tlsbindesc.rd
> +++ b/ld/testsuite/ld-x86-64/tlsbindesc.rd
> @@ -15,12 +15,12 @@ Section Headers:
>   +\[[ 0-9]+\] .dynsym +.*
>   +\[[ 0-9]+\] .dynstr +.*
>   +\[[ 0-9]+\] .rela.dyn +.*
> - +\[[ 0-9]+\] .text +PROGBITS +0+401000 0+1000 0+2fd 00 +AX +0 +0 +4096
> - +\[[ 0-9]+\] .tdata +PROGBITS +0+6012fd 0+12fd 0+60 00 WAT +0 +0 +1
> - +\[[ 0-9]+\] .tbss +NOBITS +0+60135d 0+135d 0+40 00 WAT +0 +0 +1
> - +\[[ 0-9]+\] .dynamic +DYNAMIC +0+601360 0+1360 0+100 10 +WA +4 +0 +8
> - +\[[ 0-9]+\] .got +PROGBITS +0+601460 0+1460 0+20 08 +WA +0 +0 +8
> - +\[[ 0-9]+\] .got.plt +PROGBITS +0+601480 0+1480 0+18 08 +WA +0 +0 +8
> + +\[[ 0-9]+\] .text +PROGBITS +0+401000 0+1000 0+325 00 +AX +0 +0 +4096
> + +\[[ 0-9]+\] .tdata +PROGBITS +0+601325 0+1325 0+60 00 WAT +0 +0 +1
> + +\[[ 0-9]+\] .tbss +NOBITS +0+601385 0+1385 0+40 00 WAT +0 +0 +1
> + +\[[ 0-9]+\] .dynamic +DYNAMIC +0+601388 0+1388 0+100 10 +WA +4 +0 +8
> + +\[[ 0-9]+\] .got +PROGBITS +0+601488 0+1488 0+20 08 +WA +0 +0 +8
> + +\[[ 0-9]+\] .got.plt +PROGBITS +0+6014a8 0+14a8 0+18 08 +WA +0 +0 +8
>   +\[[ 0-9]+\] .symtab +.*
>   +\[[ 0-9]+\] .strtab +.*
>   +\[[ 0-9]+\] .shstrtab +.*
> @@ -28,7 +28,7 @@ Key to Flags:
>  #...
>
>  Elf file type is EXEC \(Executable file\)
> -Entry point 0x401205
> +Entry point 0x40122d
>  There are [0-9]+ program headers, starting at offset [0-9]+
>
>  Program Headers:
> @@ -36,10 +36,10 @@ Program Headers:
>   +PHDR.*
>   +INTERP.*
>  .*Requesting program interpreter.*
> - +LOAD +0x0+ 0x0+400000 0x0+400000 0x0+12fd 0x0+12fd R E 0x200000
> - +LOAD +0x0+12fd 0x0+6012fd 0x0+6012fd 0x0+19b 0x0+19b RW +0x200000
> - +DYNAMIC +0x0+1360 0x0+601360 0x0+601360 0x0+100 0x0+100 RW +0x8
> - +TLS +0x0+12fd 0x0+6012fd 0x0+6012fd 0x0+60 0x0+a0 R +0x1
> + +LOAD +0x0+ 0x0+400000 0x0+400000 0x0+1325 0x0+1325 R E 0x200000
> + +LOAD +0x0+1325 0x0+601325 0x0+601325 0x0+19b 0x0+19b RW +0x200000
> + +DYNAMIC +0x0+1388 0x0+601388 0x0+601388 0x0+100 0x0+100 RW +0x8
> + +TLS +0x0+1325 0x0+601325 0x0+601325 0x0+60 0x0+a0 R +0x1
>
>   Section to Segment mapping:
>   +Segment Sections...
> @@ -52,10 +52,10 @@ Program Headers:
>
>  Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 4 entries:
>   +Offset +Info +Type +Symbol's Value +Symbol's Name \+ Addend
> -0+601460 +0+100000012 R_X86_64_TPOFF64 +0+ sG5 \+ 0
> -0+601468 +0+200000012 R_X86_64_TPOFF64 +0+ sG2 \+ 0
> -0+601470 +0+300000012 R_X86_64_TPOFF64 +0+ sG6 \+ 0
> -0+601478 +0+400000012 R_X86_64_TPOFF64 +0+ sG1 \+ 0
> +0+601488 +0+100000012 R_X86_64_TPOFF64 +0+ sG5 \+ 0
> +0+601490 +0+200000012 R_X86_64_TPOFF64 +0+ sG2 \+ 0
> +0+601498 +0+300000012 R_X86_64_TPOFF64 +0+ sG6 \+ 0
> +0+6014a0 +0+400000012 R_X86_64_TPOFF64 +0+ sG1 \+ 0
>
>  Symbol table '\.dynsym' contains [0-9]+ entries:
>   +Num: +Value +Size +Type +Bind +Vis +Ndx +Name
> @@ -88,8 +88,8 @@ Symbol table '\.symtab' contains [0-9]+ entries:
>   +[0-9]+: 0+9c +0 +TLS +LOCAL +DEFAULT +8 bl8
>  .* FILE +LOCAL +DEFAULT +ABS
>   +[0-9]+: 0+a0 +0 +TLS +LOCAL +DEFAULT +7 _TLS_MODULE_BASE_
> - +[0-9]+: 0+601360 +0 +OBJECT +LOCAL +DEFAULT +9 _DYNAMIC
> - +[0-9]+: 0+601480 +0 +OBJECT +LOCAL +DEFAULT +11 _GLOBAL_OFFSET_TABLE_
> + +[0-9]+: 0+601388 +0 +OBJECT +LOCAL +DEFAULT +9 _DYNAMIC
> + +[0-9]+: 0+6014a8 +0 +OBJECT +LOCAL +DEFAULT +11 _GLOBAL_OFFSET_TABLE_
>   +[0-9]+: 0+1c +0 +TLS +GLOBAL +DEFAULT +7 sg8
>   +[0-9]+: 0+7c +0 +TLS +GLOBAL +DEFAULT +8 bg8
>   +[0-9]+: 0+74 +0 +TLS +GLOBAL +DEFAULT +8 bg6
> @@ -104,7 +104,7 @@ Symbol table '\.symtab' contains [0-9]+ entries:
>   +[0-9]+: 0+58 +0 +TLS +GLOBAL +HIDDEN +7 sh7
>   +[0-9]+: 0+5c +0 +TLS +GLOBAL +HIDDEN +7 sh8
>   +[0-9]+: 0+ +0 +TLS +GLOBAL +DEFAULT +7 sg1
> - +[0-9]+: 0+401205 +0 +FUNC +GLOBAL +DEFAULT +6 _start
> + +[0-9]+: 0+40122d +0 +FUNC +GLOBAL +DEFAULT +6 _start
>   +[0-9]+: 0+4c +0 +TLS +GLOBAL +HIDDEN +7 sh4
>   +[0-9]+: 0+78 +0 +TLS +GLOBAL +DEFAULT +8 bg7
>   +[0-9]+: 0+50 +0 +TLS +GLOBAL +HIDDEN +7 sh5
> diff --git a/ld/testsuite/ld-x86-64/tlsbindesc.s
> b/ld/testsuite/ld-x86-64/tlsbindesc.s
> index 8aad1025de8..39ba3bbaa9f 100644
> --- a/ld/testsuite/ld-x86-64/tlsbindesc.s
> +++ b/ld/testsuite/ld-x86-64/tlsbindesc.s
> @@ -131,6 +131,7 @@ fn2:
>         addq    sG2@gottpoff(%rip), %r16
>         addq    %rax, sG2@gottpoff(%rip), %r16
>         addq    sG2@gottpoff(%rip), %rax, %r16
> +       {nf} addq       sG2@gottpoff(%rip), %r16
>         {nf} addq       %rax, sG2@gottpoff(%rip), %r16
>         {nf} addq       sG2@gottpoff(%rip), %rax, %r16
>
> @@ -138,6 +139,7 @@ fn2:
>         addq    sg1@gottpoff(%rip), %r17
>         addq    %r8, sg1@gottpoff(%rip), %r17
>         addq    sg1@gottpoff(%rip), %r8, %r17
> +       {nf} addq       sg1@gottpoff(%rip), %r17
>         {nf} addq       %r8, sg1@gottpoff(%rip), %r17
>         {nf} addq       sg1@gottpoff(%rip), %r8, %r17
>
> @@ -145,6 +147,7 @@ fn2:
>         addq    sl1@gottpoff(%rip), %r18
>         addq    %r8, sl1@gottpoff(%rip), %rax
>         addq    sl1@gottpoff(%rip), %r8, %rax
> +       {nf} addq       sl1@gottpoff(%rip), %r18
>         {nf} addq       %r8, sl1@gottpoff(%rip), %rax
>         {nf} addq       sl1@gottpoff(%rip), %r8, %rax
>
> @@ -152,6 +155,7 @@ fn2:
>         addq    sh1@gottpoff(%rip), %r19
>         addq    %r19, sh1@gottpoff(%rip), %r8
>         addq    sh1@gottpoff(%rip), %r19, %r8
> +       {nf} addq       sh1@gottpoff(%rip), %r19
>         {nf} addq       %r19, sh1@gottpoff(%rip), %r8
>         {nf} addq       sh1@gottpoff(%rip), %r19, %r8
>
> --
> 2.31.1
>

OK.

Thanks.

H.J.

>
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