[PATCH] D126192: [Driver] Improve linking options for target AVR

[Ben Shi via Phabricator via cfe-commits]

benshi001 added a comment.

In D126192#3583886 <https://reviews.llvm.org/D126192#3583886>, @haowei wrote:

> Emmm, I applied your latest patch on top of main(6e02e27536b9de25a651cfc9c2966ce471169355 <https://reviews.llvm.org/rG6e02e27536b9de25a651cfc9c2966ce471169355>) but I still get a test failure on `Clang :: Driver/avr-toolchain.c`.
>
> `Clang :: Driver/avr-ld.c` no longer fail.
> Error message:
>
>   FAIL: Clang :: Driver/avr-toolchain.c (7349 of 16540)
>   ******************** TEST 'Clang :: Driver/avr-toolchain.c' FAILED ********************
>   Script:
>   --
>   : 'RUN: at line 4';   /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/clang -### /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c --target=avr --sysroot=/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/basic_avr_tree
>   -resource-dir=/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/resource_dir 2>&1 | /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/FileCheck --check-prefix=CHECK1 /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c
>   : 'RUN: at line 15';   /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/clang -### /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c --target=avr --sysroot=/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/basic_avr_tree
>   _2/opt/local -S 2>&1 | /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/FileCheck --check-prefix=CHECK2 /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c
>   : 'RUN: at line 21';   /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/clang -### /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c --target=avr --sysroot=/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/basic_avr_tree
>   _2 -S 2>&1 | /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/FileCheck --check-prefix=CHECK3 /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c
>   : 'RUN: at line 27';   /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/clang -### /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c --target=avr 2>&1 | /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/FileCheck -check-pre
>   fix=CC1 /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c
>   : 'RUN: at line 30';   /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/clang -### /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c --target=avr -fuse-init-array -fuse-cxa-atexit 2>&1 | /mnt/nvme_sec/SRC/llvm-project/build-re
>   vert-test/bin/FileCheck -check-prefix=CHECK4 /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c
>   : 'RUN: at line 35';   /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/clang -### /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c --target=avr --sysroot=/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/basic_avr_tree
>    2>&1 -nostdinc | /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/FileCheck --check-prefix=NOSTDINC /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c
>   : 'RUN: at line 36';   /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/clang -### /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c --target=avr --sysroot=/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/basic_avr_tree
>    2>&1 -nostdlibinc | /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/FileCheck --check-prefix=NOSTDINC /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c
>   : 'RUN: at line 39';   /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/clang -### --target=avr --sysroot=/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/basic_avr_tree -mmcu=atmega328 /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver
>   /avr-toolchain.c 2>&1 | /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/FileCheck --check-prefix=NOWARN /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c
>   : 'RUN: at line 40';   /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/clang -### --target=avr --sysroot=/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/basic_avr_tree -mmcu=atmega328 -S /mnt/nvme_sec/SRC/llvm-project/clang/test/Dri
>   ver/avr-toolchain.c 2>&1 | /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/FileCheck --check-prefix=NOWARN /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c
>   : 'RUN: at line 41';   /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/clang -### --target=avr --sysroot=/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/ -mmcu=atmega328 -S /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolch
>   ain.c 2>&1 | /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/FileCheck --check-prefix=NOWARN /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c
>   : 'RUN: at line 44';   /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/clang -### --target=avr --sysroot=/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/basic_avr_tree -S /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchai
>   n.c 2>&1 | /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/FileCheck --check-prefixes=NOMCU,LINKA /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c
>   : 'RUN: at line 45';   /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/clang -### --target=avr --sysroot=/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/ -S /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c 2>&1 | /mn
>   t/nvme_sec/SRC/llvm-project/build-revert-test/bin/FileCheck --check-prefixes=NOMCU,LINKA /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c
>   : 'RUN: at line 46';   /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/clang -### --target=avr --sysroot=/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/basic_avr_tree /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c
>    2>&1 | /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/FileCheck --check-prefixes=NOMCU,LINKB /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c
>   : 'RUN: at line 55';   /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/clang -### --target=avr --sysroot=/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/ -mmcu=atmega328 /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain
>   .c 2>&1 | /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/FileCheck --check-prefixes=NOGCC /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c
>   : 'RUN: at line 61';   /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/clang -### --target=avr --sysroot=/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/basic_avr_tree -mmcu=atmega328 /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver
>   /avr-toolchain.c -fuse-ld=avrld 2>&1 | /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/FileCheck --check-prefix=NOLD /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c
>   : 'RUN: at line 64';   /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/clang -### --target=avr --sysroot=/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/basic_avr_tree -mmcu=atmega328 /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver
>   /avr-toolchain.c -fuse-ld=/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/basic_avr_tree/usr/bin/ld.lld 2>&1 | /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/FileCheck --check-prefix=LLD /mnt/nvme_sec/SRC/llvm-project/clang/test/Dr
>   iver/avr-toolchain.c
>   : 'RUN: at line 69';   /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/clang -### --target=avr --sysroot=/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/basic_avr_tree -mmcu=atmega328 /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver
>   /avr-toolchain.c -T avr.lds 2>&1 | /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/FileCheck --check-prefix=LDS0 /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c
>   : 'RUN: at line 72';   /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/clang -### --target=avr --sysroot=/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/basic_avr_tree -mmcu=atmega328 /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver
>   /avr-toolchain.c -fuse-ld=/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/basic_avr_tree/usr/bin/ld.lld -T avr.lds 2>&1 | /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/FileCheck --check-prefix=LDS1 /mnt/nvme_sec/SRC/llvm-project/c
>   lang/test/Driver/avr-toolchain.c
>   --
>   Exit Code: 1
>   
>   Command Output (stderr):
>   --
>   /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c:65:9: error: LLD: expected string not found in input
>   // LLD: {{".*lld"}}
>           ^
>   <stdin>:1:1: note: scanning from here
>   Fuchsia clang version 15.0.0 (git at github.com:llvm/llvm-project.git 6e02e27536b9de25a651cfc9c2966ce471169355)
>   ^
>   <stdin>:5:139: note: possible intended match here
>   clang-15: error: invalid linker name in argument '-fuse-ld=/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/basic_avr_tree/usr/bin/ld.lld'
>                                                                                                                                             ^
>   
>   Input file: <stdin>
>   Check file: /mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c
>   
>   -dump-input=help explains the following input dump.
>   
>   Input was:
>   <<<<<<
>               1: Fuchsia clang version 15.0.0 (git at github.com:llvm/llvm-project.git 6e02e27536b9de25a651cfc9c2966ce471169355)
>   check:65'0     X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
>               2: Target: avr
>   check:65'0     ~~~~~~~~~~~~
>               3: Thread model: posix
>   check:65'0     ~~~~~~~~~~~~~~~~~~~~
>               4: InstalledDir: /mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin
>   check:65'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>               5: clang-15: error: invalid linker name in argument '-fuse-ld=/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/basic_avr_tree/usr/bin/ld.lld'
>   check:65'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>   check:65'1                                                                                                                                               ?        possible intended match
>               6:  "/mnt/nvme_sec/SRC/llvm-project/build-revert-test/bin/clang-15" "-cc1" "-triple" "avr" "-emit-obj" "-mrelax-all" "--mrelax-relocations" "-disable-free" "-clear-ast-before-backend" "-main-file-name" "avr-toolchain.c" "-mrelocation
>   -model" "static" "-mframe-pointer=all" "-fmath-errno" "-ffp-contract=on" "-fno-rounding-math" "-mconstructor-aliases" "-fno-use-init-array" "-fno-use-cxa-atexit" "-target-cpu" "atmega328" "-mllvm" "-treat-scalable-fixed-error-as-warning" "-debug
>   ger-tuning=gdb" "-fcoverage-compilation-dir=/mnt/nvme_sec/SRC/llvm-project/build-revert-test/tools/clang/test/Driver" "-resource-dir" "/mnt/nvme_sec/SRC/llvm-project/build-revert-test/lib/clang/15.0.0" "-isysroot" "/mnt/nvme_sec/SRC/llvm-project
>   /clang/test/Driver/Inputs/basic_avr_tree" "-internal-isystem" "/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/basic_avr_tree/usr/lib/gcc/avr/5.4.0/../../../avr/include" "-fdebug-compilation-dir=/mnt/nvme_sec/SRC/llvm-project/build-rever
>   t-test/tools/clang/test/Driver" "-ferror-limit" "19" "-fgnuc-version=4.2.1" "-faddrsig" "-o" "/tmp/lit-tmp-a4e1rfqj/avr-toolchain-f24e25.o" "-x" "c" "/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/avr-toolchain.c"
>   check:65'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>               7:  "/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/basic_avr_tree/usr/lib/gcc/avr/5.4.0/../../../../bin/avr-ld" "/tmp/lit-tmp-a4e1rfqj/avr-toolchain-f24e25.o" "-o" "a.out" "--gc-sections" "-L/mnt/nvme_sec/SRC/llvm-project/c
>   lang/test/Driver/Inputs/basic_avr_tree/usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5" "-L/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/basic_avr_tree/usr/lib/gcc/avr/5.4.0/avr5" "-Tdata=0x800100" "--start-group" "-l:crtatmega328.o" "-lgc
>   c" "-lm" "-lc" "-latmega328" "--end-group" "-mavr5"
>   check:65'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>   >>>>>>
>   
>   --
>   
>   ********************
>   ********************
>
>   

Do you have an empty file `/mnt/nvme_sec/SRC/llvm-project/clang/test/Driver/Inputs/basic_avr_tree/usr/bin/ld.lld` on your disk ?


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https://reviews.llvm.org/D126192