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riscv64 target llvm error #2014

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wizard-lgtm opened this issue Mar 3, 2025 · 4 comments
Open

riscv64 target llvm error #2014

wizard-lgtm opened this issue Mar 3, 2025 · 4 comments
Labels
Enhancement Request New feature or request
Milestone
First release (v1.0)

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@wizard-lgtm
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project.json

{
  // Language version of C3.
  "langrev": "1",
  // Warnings used for all targets.
  "warnings": [ "no-unused" ],
  // Directories where C3 library files may be found.
  "dependency-search-paths": [ "/root/c3/lib" ],
  // Libraries to use for all targets.
  "dependencies": [ ],
  // Authors, optionally with email.
  "authors": [ "wizard-lgtm" ],
  // Version using semantic versioning.
  "version": "0.1.0",
  // Sources compiled for all targets.
  "sources": [ "src/**" ],

  "output": "build",
  // Architecture and OS target.
  // You can use 'c3c --list-targets' to list all valid targets.
  // "target": "windows-x64",
  "target": "elf-riscv64", // riscv64
  // Targets.
  "targets": {
    "barebones_c3": {
      // Executable or library.
      "type": "executable",
      // Additional libraries, sources
      // and overrides of global settings here.
    },
  },
  // Global settings.
  // CPU name, used for optimizations in the LLVM backend.
  "cpu": "generic",
  // Optimization: "O0", "O1", "O2", "O3", "O4", "O5", "Os", "Oz".
  "opt": "O0"
  // See resources/examples/project_all_settings.json and 'c3c --list-project-properties' to see more properties.
}
root@DESKTOP-P9MNADN:~/barebones_c3# c3c build --no-entry

WARNING! This architecture is unsupported.
] Assuming non-Posix environment
ld.lld: error: undefined symbol: __divdi3
>>> referenced by math.c3:1021 (/root/c3/lib/std/math/math.c3:1021)
>>>               build/obj/elf-riscv64/std.core.mem.o:(std.core.mem.aligned_offset)
>>> referenced by formatter_private.c3:35 (/root/c3/lib/std/io/formatter_private.c3:35)
>>>               build/obj/elf-riscv64/std.io.o:(std.io.Formatter.floatformat)
>>> referenced by formatter_private.c3:35 (/root/c3/lib/std/io/formatter_private.c3:35)
>>>               build/obj/elf-riscv64/std.io.o:(std.io.Formatter.floatformat)
>>> referenced 3 more times
>>> did you mean: __divti3
>>> defined in: build/obj/elf-riscv64/std.math.o

ld.lld: error: undefined symbol: __muldi3
>>> referenced by math.c3:0 (/root/c3/lib/std/math/math.c3:0)
>>>               build/obj/elf-riscv64/std.core.mem.o:(std.core.mem.aligned_offset)
>>> referenced by math_i128.c3:273
>>>               build/obj/elf-riscv64/std.math.o:(std.math.__mulddi3)
>>> referenced by math_i128.c3:275
>>>               build/obj/elf-riscv64/std.math.o:(std.math.__mulddi3)
>>> referenced 44 more times
>>> did you mean: __multi3
>>> defined in: build/obj/elf-riscv64/std.math.o

ld.lld: error: undefined symbol: __atomic_compare_exchange_1
>>> referenced by atomic_nolibc.c3:37
>>>               build/obj/elf-riscv64/std.atomic.o:(__atomic_compare_exchange)
>>> referenced by atomic_nolibc.c3:37
>>>               build/obj/elf-riscv64/std.atomic.o:(__atomic_compare_exchange)
>>> referenced by atomic_nolibc.c3:38
>>>               build/obj/elf-riscv64/std.atomic.o:(__atomic_compare_exchange)
>>> referenced 12 more times

ld.lld: error: undefined symbol: __atomic_compare_exchange_2
>>> referenced by atomic_nolibc.c3:9
>>>               build/obj/elf-riscv64/std.atomic.o:(__atomic_compare_exchange)
>>> referenced by atomic_nolibc.c3:9
>>>               build/obj/elf-riscv64/std.atomic.o:(__atomic_compare_exchange)
>>> referenced by atomic_nolibc.c3:9
>>>               build/obj/elf-riscv64/std.atomic.o:(__atomic_compare_exchange)
>>> referenced 12 more times

ld.lld: error: undefined symbol: __atomic_compare_exchange_4
>>> referenced by atomic_nolibc.c3:11
>>>               build/obj/elf-riscv64/std.atomic.o:(__atomic_compare_exchange)
>>> referenced by atomic_nolibc.c3:11
>>>               build/obj/elf-riscv64/std.atomic.o:(__atomic_compare_exchange)
>>> referenced by atomic_nolibc.c3:11
>>>               build/obj/elf-riscv64/std.atomic.o:(__atomic_compare_exchange)
>>> referenced 12 more times

ld.lld: error: undefined symbol: __atomic_compare_exchange_8
>>> referenced by builtin.c3:189 (/root/c3/lib/std/core/builtin.c3:189)
>>>               build/obj/elf-riscv64/std.atomic.o:(__atomic_compare_exchange)
>>> referenced by builtin.c3:189 (/root/c3/lib/std/core/builtin.c3:189)
>>>               build/obj/elf-riscv64/std.atomic.o:(__atomic_compare_exchange)
>>> referenced by builtin.c3:189 (/root/c3/lib/std/core/builtin.c3:189)
>>>               build/obj/elf-riscv64/std.atomic.o:(__atomic_compare_exchange)
>>> referenced 12 more times

ld.lld: error: undefined symbol: __eqdf2
>>> referenced by builtin.c3:237 (/root/c3/lib/std/core/builtin.c3:237)
>>>               build/obj/elf-riscv64/std.math.o:(std.math._frexp)
>>> referenced by math_builtin.c3:21
>>>               build/obj/elf-riscv64/std.math.o:(__powidf2)
>>> referenced by asin.c3:30
>>>               build/obj/elf-riscv64/std.math.nolibc.o:(std.math.nolibc._r)
>>> referenced 25 more times

ld.lld: error: undefined symbol: __unorddf2
>>> referenced by builtin.c3:237 (/root/c3/lib/std/core/builtin.c3:237)
>>>               build/obj/elf-riscv64/std.math.o:(std.math._frexp)
>>> referenced by math_builtin.c3:21
>>>               build/obj/elf-riscv64/std.math.o:(__powidf2)
>>> referenced by asin.c3:30
>>>               build/obj/elf-riscv64/std.math.nolibc.o:(std.math.nolibc._r)
>>> referenced 22 more times

ld.lld: error: undefined symbol: __muldf3
>>> referenced by math.c3:1089
>>>               build/obj/elf-riscv64/std.math.o:(std.math._frexp)
>>> referenced by math_builtin.c3:18
>>>               build/obj/elf-riscv64/std.math.o:(__powidf2)
>>> referenced by math_builtin.c3:19
>>>               build/obj/elf-riscv64/std.math.o:(__powidf2)
>>> referenced 203 more times

ld.lld: error: undefined symbol: __divsf3
>>> referenced by math_builtin.c3:6
>>>               build/obj/elf-riscv64/std.math.o:(roundevenf)
>>> referenced by asin.c3:30
>>>               build/obj/elf-riscv64/std.math.nolibc.o:(std.math.nolibc._r_f)
>>> referenced by asin.c3:31
>>>               build/obj/elf-riscv64/std.math.nolibc.o:(std.math.nolibc._r_f.2)
>>> referenced 13 more times

ld.lld: error: undefined symbol: __addsf3
>>> referenced by math.c3:492
>>>               build/obj/elf-riscv64/std.math.o:(roundevenf)
>>> referenced by asin.c3:30
>>>               build/obj/elf-riscv64/std.math.nolibc.o:(std.math.nolibc._r_f)
>>> referenced by asin.c3:30
>>>               build/obj/elf-riscv64/std.math.nolibc.o:(std.math.nolibc._r_f)
>>> referenced 62 more times

ld.lld: error: undefined symbol: __divdf3
>>> referenced by math_builtin.c3:12
>>>               build/obj/elf-riscv64/std.math.o:(roundeven)
>>> referenced by math_builtin.c3:21
>>>               build/obj/elf-riscv64/std.math.o:(__powidf2)
>>> referenced by asin.c3:30
>>>               build/obj/elf-riscv64/std.math.nolibc.o:(std.math.nolibc._r)
>>> referenced 18 more times

ld.lld: error: undefined symbol: __adddf3
>>> referenced by math.c3:492
>>>               build/obj/elf-riscv64/std.math.o:(roundeven)
>>> referenced by asin.c3:30
>>>               build/obj/elf-riscv64/std.math.nolibc.o:(std.math.nolibc._r)
>>> referenced by asin.c3:30
>>>               build/obj/elf-riscv64/std.math.nolibc.o:(std.math.nolibc._r)
>>> referenced 258 more times

ld.lld: error: undefined symbol: __udivdi3
>>> referenced by math_i128.c3:7
>>>               build/obj/elf-riscv64/std.math.o:(__divti3)
>>> referenced by math_i128.c3:7
>>>               build/obj/elf-riscv64/std.math.o:(__divti3)
>>> referenced by math_i128.c3:8
>>>               build/obj/elf-riscv64/std.math.o:(__divti3)
>>> referenced 4 more times

ld.lld: error: undefined symbol: __umoddi3
>>> referenced by math_i128.c3:15
>>>               build/obj/elf-riscv64/std.math.o:(__umodti3)
>>> referenced by math_i128.c3:16
>>>               build/obj/elf-riscv64/std.math.o:(__umodti3)
>>> referenced by math_i128.c3:16
>>>               build/obj/elf-riscv64/std.math.o:(__umodti3)

ld.lld: error: undefined symbol: __mulsf3
>>> referenced by asin.c3:30
>>>               build/obj/elf-riscv64/std.math.nolibc.o:(std.math.nolibc._r_f)
>>> referenced by asin.c3:30
>>>               build/obj/elf-riscv64/std.math.nolibc.o:(std.math.nolibc._r_f)
>>> referenced by asin.c3:30
>>>               build/obj/elf-riscv64/std.math.nolibc.o:(std.math.nolibc._r_f)
>>> referenced 50 more times

ld.lld: error: undefined symbol: __eqsf2
>>> referenced by asin.c3:30
>>>               build/obj/elf-riscv64/std.math.nolibc.o:(std.math.nolibc._r_f)
>>> referenced by asin.c3:31
>>>               build/obj/elf-riscv64/std.math.nolibc.o:(std.math.nolibc._r_f.2)
>>> referenced by log1p.c3:0
>>>               build/obj/elf-riscv64/std.math.nolibc.o:(log1pf)
>>> referenced 10 more times

ld.lld: error: undefined symbol: __unordsf2
>>> referenced by asin.c3:30
>>>               build/obj/elf-riscv64/std.math.nolibc.o:(std.math.nolibc._r_f)
>>> referenced by asin.c3:31
>>>               build/obj/elf-riscv64/std.math.nolibc.o:(std.math.nolibc._r_f.2)
>>> referenced by log1p.c3:0
>>>               build/obj/elf-riscv64/std.math.nolibc.o:(log1pf)
>>> referenced 10 more times

ld.lld: error: undefined symbol: __gedf2
>>> referenced by asin.c3:31
>>>               build/obj/elf-riscv64/std.math.nolibc.o:(std.math.nolibc._exp2_specialcase)
>>> referenced by rempi.c3:138
>>>               build/obj/elf-riscv64/std.math.nolibc.o:(std.math.nolibc.__rem_pio2_large)
>>> referenced by rempi.c3:142
>>>               build/obj/elf-riscv64/std.math.nolibc.o:(std.math.nolibc.__rem_pio2_large)

ld.lld: error: undefined symbol: __subdf3
>>> referenced by asin.c3:31
>>>               build/obj/elf-riscv64/std.math.nolibc.o:(std.math.nolibc._exp2_specialcase)
>>> referenced by asin.c3:31
>>>               build/obj/elf-riscv64/std.math.nolibc.o:(std.math.nolibc._exp2_specialcase)
>>> referenced by asin.c3:31
>>>               build/obj/elf-riscv64/std.math.nolibc.o:(std.math.nolibc._exp2_specialcase)
>>> referenced 106 more times

ld.lld: error: too many errors emitted, stopping now (use --error-limit=0 to see all errors)
Failed to create an executable: (null)
@lerno
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lerno commented Mar 4, 2025

Yes, it's probably quite a bit of work to make it behave properly. For now, you can avoid all of this by using --use-stdlib=no. This will not include the stdlib, but you'll be able to make progress.

@wizard-lgtm
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Too late, i switched back to c

@lerno
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lerno commented Mar 7, 2025

This is probably the best solution until it is fully supported.

@lerno lerno added the Enhancement Request New feature or request label Mar 10, 2025
@lerno lerno added this to the First release (v1.0) milestone Mar 11, 2025
@wizard-lgtm
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Can we still compile to riscv64 baremetal (no os)

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@lerno @wizard-lgtm