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[libc] Support baremetal libc on aarch64 #118691

Merged
merged 1 commit into from
Dec 9, 2024
Merged

[libc] Support baremetal libc on aarch64 #118691

merged 1 commit into from
Dec 9, 2024

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petrhosek
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We have users that target baremetal aarch64.

@petrhosek
[Fuchsia] Enable baremetal libc build for aarch64
b9a09c6 
We have users that target baremetal aarch64.
@petrhosek petrhosek added the libc label Dec 4, 2024
@llvmbot llvmbot added the clang Clang issues not falling into any other category label Dec 4, 2024
@llvmbot
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llvmbot commented Dec 4, 2024 •
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@llvm/pr-subscribers-clang

@llvm/pr-subscribers-libc

Author: Petr Hosek (petrhosek)

Changes

We have users that target baremetal aarch64.

Full diff: https://github.com/llvm/llvm-project/pull/118691.diff

3 Files Affected:

  • (modified) clang/cmake/caches/Fuchsia-stage2.cmake (+13-7)
  • (added) libc/config/baremetal/aarch64/entrypoints.txt (+477)
  • (added) libc/config/baremetal/aarch64/headers.txt (+20)
diff --git a/clang/cmake/caches/Fuchsia-stage2.cmake b/clang/cmake/caches/Fuchsia-stage2.cmake
index 304e7833699a78..29cf736d1540cf 100644
--- a/clang/cmake/caches/Fuchsia-stage2.cmake
+++ b/clang/cmake/caches/Fuchsia-stage2.cmake
@@ -302,19 +302,22 @@ if(FUCHSIA_SDK)
   set(LLVM_RUNTIME_MULTILIB_hwasan+noexcept_TARGETS "aarch64-unknown-fuchsia;riscv64-unknown-fuchsia" CACHE STRING "")
 endif()
 
-foreach(target armv6m-none-eabi;armv7m-none-eabi;armv8m.main-none-eabi;armv8.1m.main-none-eabi)
+foreach(target armv6m-none-eabi;armv7m-none-eabi;armv8m.main-none-eabi;armv8.1m.main-none-eabi;aarch64-none-elf)
   list(APPEND BUILTIN_TARGETS "${target}")
   set(BUILTINS_${target}_CMAKE_SYSTEM_NAME Generic CACHE STRING "")
   set(BUILTINS_${target}_CMAKE_SYSTEM_PROCESSOR arm CACHE STRING "")
   set(BUILTINS_${target}_CMAKE_SYSROOT "" CACHE STRING "")
   set(BUILTINS_${target}_CMAKE_BUILD_TYPE MinSizeRel CACHE STRING "")
   foreach(lang C;CXX;ASM)
-    set(BUILTINS_${target}_CMAKE_${lang}_local_flags "--target=${target} -mthumb")
+    set(BUILTINS_${target}_CMAKE_${lang}_local_flags "--target=${target}")
+    if(NOT ${target} STREQUAL "aarch64-none-elf")
+      set(BUILTINS_${target}_CMAKE_${lang}_local_flags "${BUILTINS_${target}_CMAKE_${lang}_local_flags} -mthumb")
+    endif()
     if(${target} STREQUAL "armv8m.main-none-eabi")
-      set(BUILTINS_${target}_CMAKE_${lang}_local_flags "${BUILTINS_${target}_CMAKE_${lang}_local_flags} -mfloat-abi=softfp -march=armv8m.main+fp+dsp -mcpu=cortex-m33" CACHE STRING "")
+      set(BUILTINS_${target}_CMAKE_${lang}_local_flags "${BUILTINS_${target}_CMAKE_${lang}_local_flags} -mfloat-abi=softfp -march=armv8m.main+fp+dsp -mcpu=cortex-m33")
     endif()
     if(${target} STREQUAL "armv8.1m.main-none-eabi")
-      set(BUILTINS_${target}_CMAKE_${lang}_local_flags "${BUILTINS_${target}_CMAKE_${lang}_local_flags} -mfloat-abi=hard -march=armv8.1-m.main+mve.fp+fp.dp -mcpu=cortex-m55" CACHE STRING "")
+      set(BUILTINS_${target}_CMAKE_${lang}_local_flags "${BUILTINS_${target}_CMAKE_${lang}_local_flags} -mfloat-abi=hard -march=armv8.1-m.main+mve.fp+fp.dp -mcpu=cortex-m55")
     endif()
     set(BUILTINS_${target}_CMAKE_${lang}_FLAGS "${BUILTINS_${target}_CMAKE_${lang}_local_flags}" CACHE STRING "")
   endforeach()
@@ -332,12 +335,15 @@ foreach(target armv6m-none-eabi;armv7m-none-eabi;armv8m.main-none-eabi;armv8.1m.
   foreach(lang C;CXX;ASM)
     # TODO: The preprocessor defines workaround various issues in libc and libc++ integration.
     # These should be addressed and removed over time.
-    set(RUNTIMES_${target}_CMAKE_${lang}_local_flags "--target=${target} -mthumb -Wno-atomic-alignment \"-Dvfprintf(stream, format, vlist)=vprintf(format, vlist)\" \"-Dfprintf(stream, format, ...)=printf(format)\" \"-Dgettimeofday(tv, tz)\" -D_LIBCPP_PRINT=1")
+    set(RUNTIMES_${target}_CMAKE_${lang}_local_flags "--target=${target} -Wno-atomic-alignment \"-Dvfprintf(stream, format, vlist)=vprintf(format, vlist)\" \"-Dfprintf(stream, format, ...)=printf(format)\" \"-Dgettimeofday(tv, tz)\" -D_LIBCPP_PRINT=1")
+    if(NOT ${target} STREQUAL "aarch64-none-elf")
+      set(RUNTIMES_${target}_CMAKE_${lang}_local_flags "${RUNTIMES_${target}_CMAKE_${lang}_local_flags} -mthumb")
+    endif()
     if(${target} STREQUAL "armv8m.main-none-eabi")
-      set(RUNTIMES_${target}_CMAKE_${lang}_local_flags "${RUNTIMES_${target}_CMAKE_${lang}_local_flags} -mfloat-abi=softfp -march=armv8m.main+fp+dsp -mcpu=cortex-m33" CACHE STRING "")
+      set(RUNTIMES_${target}_CMAKE_${lang}_local_flags "${RUNTIMES_${target}_CMAKE_${lang}_local_flags} -mfloat-abi=softfp -march=armv8m.main+fp+dsp -mcpu=cortex-m33")
     endif()
     if(${target} STREQUAL "armv8.1m.main-none-eabi")
-      set(RUNTIMES_${target}_CMAKE_${lang}_local_flags "${RUNTIMES_${target}_CMAKE_${lang}_local_flags} -mfloat-abi=hard -march=armv8.1-m.main+mve.fp+fp.dp -mcpu=cortex-m55" CACHE STRING "")
+      set(RUNTIMES_${target}_CMAKE_${lang}_local_flags "${RUNTIMES_${target}_CMAKE_${lang}_local_flags} -mfloat-abi=hard -march=armv8.1-m.main+mve.fp+fp.dp -mcpu=cortex-m55")
     endif()
     set(RUNTIMES_${target}_CMAKE_${lang}_FLAGS "${RUNTIMES_${target}_CMAKE_${lang}_local_flags}" CACHE STRING "")
   endforeach()
diff --git a/libc/config/baremetal/aarch64/entrypoints.txt b/libc/config/baremetal/aarch64/entrypoints.txt
new file mode 100644
index 00000000000000..9027717acb4dae
--- /dev/null
+++ b/libc/config/baremetal/aarch64/entrypoints.txt
@@ -0,0 +1,477 @@
+set(TARGET_LIBC_ENTRYPOINTS
+    # assert.h entrypoints
+    libc.src.assert.__assert_fail
+
+    # ctype.h entrypoints
+    libc.src.ctype.isalnum
+    libc.src.ctype.isalpha
+    libc.src.ctype.isascii
+    libc.src.ctype.isblank
+    libc.src.ctype.iscntrl
+    libc.src.ctype.isdigit
+    libc.src.ctype.isgraph
+    libc.src.ctype.islower
+    libc.src.ctype.isprint
+    libc.src.ctype.ispunct
+    libc.src.ctype.isspace
+    libc.src.ctype.isupper
+    libc.src.ctype.isxdigit
+    libc.src.ctype.toascii
+    libc.src.ctype.tolower
+    libc.src.ctype.toupper
+
+    # compiler entrypoints (no corresponding header)
+    libc.src.compiler.__stack_chk_fail
+
+    # errno.h entrypoints
+    libc.src.errno.errno
+
+    # setjmp.h entrypoints
+    libc.src.setjmp.longjmp
+    libc.src.setjmp.setjmp
+
+    # string.h entrypoints
+    libc.src.string.bcmp
+    libc.src.string.bcopy
+    libc.src.string.bzero
+    libc.src.string.index
+    libc.src.string.memccpy
+    libc.src.string.memchr
+    libc.src.string.memcmp
+    libc.src.string.memcpy
+    libc.src.string.memmem
+    libc.src.string.memmove
+    libc.src.string.mempcpy
+    libc.src.string.memrchr
+    libc.src.string.memset
+    libc.src.string.memset_explicit
+    libc.src.string.rindex
+    libc.src.string.stpcpy
+    libc.src.string.stpncpy
+    libc.src.string.strcasecmp
+    libc.src.string.strcasestr
+    libc.src.string.strcat
+    libc.src.string.strchr
+    libc.src.string.strchrnul
+    libc.src.string.strcmp
+    libc.src.string.strcoll
+    libc.src.string.strcpy
+    libc.src.string.strcspn
+    libc.src.string.strerror
+    libc.src.string.strerror_r
+    libc.src.string.strlcat
+    libc.src.string.strlcpy
+    libc.src.string.strlen
+    libc.src.string.strncasecmp
+    libc.src.string.strncat
+    libc.src.string.strncmp
+    libc.src.string.strncpy
+    libc.src.string.strnlen
+    libc.src.string.strpbrk
+    libc.src.string.strrchr
+    libc.src.string.strsep
+    libc.src.string.strspn
+    libc.src.string.strstr
+    libc.src.string.strtok
+    libc.src.string.strtok_r
+    libc.src.string.strxfrm
+
+    # inttypes.h entrypoints
+    libc.src.inttypes.imaxabs
+    libc.src.inttypes.imaxdiv
+    libc.src.inttypes.strtoimax
+    libc.src.inttypes.strtoumax
+
+    # stdio.h entrypoints
+    libc.src.stdio.getchar
+    libc.src.stdio.printf
+    libc.src.stdio.putchar
+    libc.src.stdio.puts
+    libc.src.stdio.remove
+    libc.src.stdio.snprintf
+    libc.src.stdio.sprintf
+    libc.src.stdio.asprintf
+    libc.src.stdio.vprintf
+    libc.src.stdio.vsnprintf
+    libc.src.stdio.vsprintf
+    libc.src.stdio.vasprintf
+
+    # stdbit.h entrypoints
+    libc.src.stdbit.stdc_bit_ceil_uc
+    libc.src.stdbit.stdc_bit_ceil_ui
+    libc.src.stdbit.stdc_bit_ceil_ul
+    libc.src.stdbit.stdc_bit_ceil_ull
+    libc.src.stdbit.stdc_bit_ceil_us
+    libc.src.stdbit.stdc_bit_floor_uc
+    libc.src.stdbit.stdc_bit_floor_ui
+    libc.src.stdbit.stdc_bit_floor_ul
+    libc.src.stdbit.stdc_bit_floor_ull
+    libc.src.stdbit.stdc_bit_floor_us
+    libc.src.stdbit.stdc_bit_width_uc
+    libc.src.stdbit.stdc_bit_width_ui
+    libc.src.stdbit.stdc_bit_width_ul
+    libc.src.stdbit.stdc_bit_width_ull
+    libc.src.stdbit.stdc_bit_width_us
+    libc.src.stdbit.stdc_count_ones_uc
+    libc.src.stdbit.stdc_count_ones_ui
+    libc.src.stdbit.stdc_count_ones_ul
+    libc.src.stdbit.stdc_count_ones_ull
+    libc.src.stdbit.stdc_count_ones_us
+    libc.src.stdbit.stdc_count_zeros_uc
+    libc.src.stdbit.stdc_count_zeros_ui
+    libc.src.stdbit.stdc_count_zeros_ul
+    libc.src.stdbit.stdc_count_zeros_ull
+    libc.src.stdbit.stdc_count_zeros_us
+    libc.src.stdbit.stdc_first_leading_one_uc
+    libc.src.stdbit.stdc_first_leading_one_ui
+    libc.src.stdbit.stdc_first_leading_one_ul
+    libc.src.stdbit.stdc_first_leading_one_ull
+    libc.src.stdbit.stdc_first_leading_one_us
+    libc.src.stdbit.stdc_first_leading_zero_uc
+    libc.src.stdbit.stdc_first_leading_zero_ui
+    libc.src.stdbit.stdc_first_leading_zero_ul
+    libc.src.stdbit.stdc_first_leading_zero_ull
+    libc.src.stdbit.stdc_first_leading_zero_us
+    libc.src.stdbit.stdc_first_trailing_one_uc
+    libc.src.stdbit.stdc_first_trailing_one_ui
+    libc.src.stdbit.stdc_first_trailing_one_ul
+    libc.src.stdbit.stdc_first_trailing_one_ull
+    libc.src.stdbit.stdc_first_trailing_one_us
+    libc.src.stdbit.stdc_first_trailing_zero_uc
+    libc.src.stdbit.stdc_first_trailing_zero_ui
+    libc.src.stdbit.stdc_first_trailing_zero_ul
+    libc.src.stdbit.stdc_first_trailing_zero_ull
+    libc.src.stdbit.stdc_first_trailing_zero_us
+    libc.src.stdbit.stdc_has_single_bit_uc
+    libc.src.stdbit.stdc_has_single_bit_ui
+    libc.src.stdbit.stdc_has_single_bit_ul
+    libc.src.stdbit.stdc_has_single_bit_ull
+    libc.src.stdbit.stdc_has_single_bit_us
+    libc.src.stdbit.stdc_leading_ones_uc
+    libc.src.stdbit.stdc_leading_ones_ui
+    libc.src.stdbit.stdc_leading_ones_ul
+    libc.src.stdbit.stdc_leading_ones_ull
+    libc.src.stdbit.stdc_leading_ones_us
+    libc.src.stdbit.stdc_leading_zeros_uc
+    libc.src.stdbit.stdc_leading_zeros_ui
+    libc.src.stdbit.stdc_leading_zeros_ul
+    libc.src.stdbit.stdc_leading_zeros_ull
+    libc.src.stdbit.stdc_leading_zeros_us
+    libc.src.stdbit.stdc_trailing_ones_uc
+    libc.src.stdbit.stdc_trailing_ones_ui
+    libc.src.stdbit.stdc_trailing_ones_ul
+    libc.src.stdbit.stdc_trailing_ones_ull
+    libc.src.stdbit.stdc_trailing_ones_us
+    libc.src.stdbit.stdc_trailing_zeros_uc
+    libc.src.stdbit.stdc_trailing_zeros_ui
+    libc.src.stdbit.stdc_trailing_zeros_ul
+    libc.src.stdbit.stdc_trailing_zeros_ull
+    libc.src.stdbit.stdc_trailing_zeros_us
+
+    # stdlib.h entrypoints
+    libc.src.stdlib._Exit
+    libc.src.stdlib.abort
+    libc.src.stdlib.abs
+    libc.src.stdlib.aligned_alloc
+    libc.src.stdlib.atof
+    libc.src.stdlib.atoi
+    libc.src.stdlib.atol
+    libc.src.stdlib.atoll
+    libc.src.stdlib.bsearch
+    libc.src.stdlib.calloc
+    libc.src.stdlib.div
+    libc.src.stdlib.exit
+    libc.src.stdlib.free
+    libc.src.stdlib.freelist_malloc
+    libc.src.stdlib.labs
+    libc.src.stdlib.ldiv
+    libc.src.stdlib.llabs
+    libc.src.stdlib.lldiv
+    libc.src.stdlib.malloc
+    libc.src.stdlib.qsort
+    libc.src.stdlib.rand
+    libc.src.stdlib.realloc
+    libc.src.stdlib.srand
+    libc.src.stdlib.strtod
+    libc.src.stdlib.strtof
+    libc.src.stdlib.strtol
+    libc.src.stdlib.strtold
+    libc.src.stdlib.strtoll
+    libc.src.stdlib.strtoul
+    libc.src.stdlib.strtoull
+
+    # time.h entrypoints
+    libc.src.time.asctime
+    libc.src.time.asctime_r
+    libc.src.time.ctime
+    libc.src.time.ctime_r
+    libc.src.time.difftime
+    libc.src.time.gmtime
+    libc.src.time.gmtime_r
+    libc.src.time.mktime
+    libc.src.time.timespec_get
+
+    # internal entrypoints
+    libc.startup.baremetal.init
+    libc.startup.baremetal.fini
+)
+
+set(TARGET_LIBM_ENTRYPOINTS
+    # fenv.h entrypoints
+    libc.src.fenv.feclearexcept
+    libc.src.fenv.fedisableexcept
+    libc.src.fenv.feenableexcept
+    libc.src.fenv.fegetenv
+    libc.src.fenv.fegetexcept
+    libc.src.fenv.fegetexceptflag
+    libc.src.fenv.fegetround
+    libc.src.fenv.feholdexcept
+    libc.src.fenv.feraiseexcept
+    libc.src.fenv.fesetenv
+    libc.src.fenv.fesetexcept
+    libc.src.fenv.fesetexceptflag
+    libc.src.fenv.fesetround
+    libc.src.fenv.fetestexcept
+    libc.src.fenv.fetestexceptflag
+    libc.src.fenv.feupdateenv
+
+    # math.h entrypoints
+    libc.src.math.acosf
+    libc.src.math.acoshf
+    libc.src.math.asinf
+    libc.src.math.asinhf
+    libc.src.math.atan2
+    libc.src.math.atan2f
+    libc.src.math.atanf
+    libc.src.math.atanhf
+    libc.src.math.canonicalize
+    libc.src.math.canonicalizef
+    libc.src.math.canonicalizel
+    libc.src.math.cbrt
+    libc.src.math.cbrtf
+    libc.src.math.ceil
+    libc.src.math.ceilf
+    libc.src.math.ceill
+    libc.src.math.copysign
+    libc.src.math.copysignf
+    libc.src.math.copysignl
+    libc.src.math.cos
+    libc.src.math.cosf
+    libc.src.math.coshf
+    libc.src.math.erff
+    libc.src.math.exp
+    libc.src.math.exp10
+    libc.src.math.exp10f
+    libc.src.math.exp2
+    libc.src.math.exp2f
+    libc.src.math.exp2m1f
+    libc.src.math.expf
+    libc.src.math.expm1
+    libc.src.math.expm1f
+    libc.src.math.fabs
+    libc.src.math.fabsf
+    libc.src.math.fabsl
+    libc.src.math.fdim
+    libc.src.math.fdimf
+    libc.src.math.fdiml
+    libc.src.math.floor
+    libc.src.math.floorf
+    libc.src.math.floorl
+    libc.src.math.fma
+    libc.src.math.fmaf
+    libc.src.math.fmax
+    libc.src.math.fmaxf
+    libc.src.math.fmaximum
+    libc.src.math.fmaximum_mag
+    libc.src.math.fmaximum_mag_num
+    libc.src.math.fmaximum_mag_numf
+    libc.src.math.fmaximum_mag_numl
+    libc.src.math.fmaximum_magf
+    libc.src.math.fmaximum_magl
+    libc.src.math.fmaximum_num
+    libc.src.math.fmaximum_numf
+    libc.src.math.fmaximum_numl
+    libc.src.math.fmaximumf
+    libc.src.math.fmaximuml
+    libc.src.math.fmaxl
+    libc.src.math.fmin
+    libc.src.math.fminf
+    libc.src.math.fminimum
+    libc.src.math.fminimum_mag
+    libc.src.math.fminimum_mag_num
+    libc.src.math.fminimum_mag_numf
+    libc.src.math.fminimum_mag_numl
+    libc.src.math.fminimum_magf
+    libc.src.math.fminimum_magl
+    libc.src.math.fminimum_num
+    libc.src.math.fminimum_numf
+    libc.src.math.fminimum_numl
+    libc.src.math.fminimumf
+    libc.src.math.fminimuml
+    libc.src.math.fminl
+    libc.src.math.fmod
+    libc.src.math.fmodf
+    libc.src.math.fmodl
+    libc.src.math.fmul
+    libc.src.math.frexp
+    libc.src.math.frexpf
+    libc.src.math.frexpl
+    libc.src.math.fromfp
+    libc.src.math.fromfpf
+    libc.src.math.fromfpl
+    libc.src.math.fromfpx
+    libc.src.math.fromfpxf
+    libc.src.math.fromfpxl
+    libc.src.math.hypot
+    libc.src.math.hypotf
+    libc.src.math.ilogb
+    libc.src.math.ilogbf
+    libc.src.math.ilogbl
+    libc.src.math.isnan
+    libc.src.math.isnanf
+    libc.src.math.isnanl
+    libc.src.math.ldexp
+    libc.src.math.ldexpf
+    libc.src.math.ldexpl
+    libc.src.math.llogb
+    libc.src.math.llogbf
+    libc.src.math.llogbl
+    libc.src.math.llrint
+    libc.src.math.llrintf
+    libc.src.math.llrintl
+    libc.src.math.llround
+    libc.src.math.llroundf
+    libc.src.math.llroundl
+    libc.src.math.log
+    libc.src.math.log10
+    libc.src.math.log10f
+    libc.src.math.log1p
+    libc.src.math.log1pf
+    libc.src.math.log2
+    libc.src.math.log2f
+    libc.src.math.logb
+    libc.src.math.logbf
+    libc.src.math.logbl
+    libc.src.math.logf
+    libc.src.math.lrint
+    libc.src.math.lrintf
+    libc.src.math.lrintl
+    libc.src.math.lround
+    libc.src.math.lroundf
+    libc.src.math.lroundl
+    libc.src.math.modf
+    libc.src.math.modff
+    libc.src.math.modfl
+    libc.src.math.nan
+    libc.src.math.nanf
+    libc.src.math.nanl
+    libc.src.math.nearbyint
+    libc.src.math.nearbyintf
+    libc.src.math.nearbyintl
+    libc.src.math.nextafter
+    libc.src.math.nextafterf
+    libc.src.math.nextafterl
+    libc.src.math.nextdown
+    libc.src.math.nextdownf
+    libc.src.math.nextdownl
+    libc.src.math.nexttoward
+    libc.src.math.nexttowardf
+    libc.src.math.nexttowardl
+    libc.src.math.nextup
+    libc.src.math.nextupf
+    libc.src.math.nextupl
+    libc.src.math.pow
+    libc.src.math.powf
+    libc.src.math.remainder
+    libc.src.math.remainderf
+    libc.src.math.remainderl
+    libc.src.math.remquo
+    libc.src.math.remquof
+    libc.src.math.remquol
+    libc.src.math.rint
+    libc.src.math.rintf
+    libc.src.math.rintl
+    libc.src.math.round
+    libc.src.math.roundeven
+    libc.src.math.roundevenf
+    libc.src.math.roundevenl
+    libc.src.math.roundf
+    libc.src.math.roundl
+    libc.src.math.scalbln
+    libc.src.math.scalblnf
+    libc.src.math.scalblnl
+    libc.src.math.scalbn
+    libc.src.math.scalbnf
+    libc.src.math.scalbnl
+    libc.src.math.sin
+    libc.src.math.sincos
+    libc.src.math.sincosf
+    libc.src.math.sinf
+    libc.src.math.sinhf
+    libc.src.math.sqrt
+    libc.src.math.sqrtf
+    libc.src.math.sqrtl
+    libc.src.math.tan
+    libc.src.math.tanf
+    libc.src.math.tanhf
+    libc.src.math.trunc
+    libc.src.math.truncf
+    libc.src.math.truncl
+    libc.src.math.ufromfp
+    libc.src.math.ufromfpf
+    libc.src.math.ufromfpl
+    libc.src.math.ufromfpx
+    libc.src.math.ufromfpxf
+    libc.src.math.ufromfpxl
+)
+
+if(LIBC_COMPILER_HAS_FIXED_POINT)
+  list(APPEND TARGET_LIBM_ENTRYPOINTS
+    # stdfix.h _Fract and _Accum entrypoints
+    libc.src.stdfix.abshk
+    libc.src.stdfix.abshr
+    libc.src.stdfix.absk
+    libc.src.stdfix.abslk
+    libc.src.stdfix.abslr
+    libc.src.stdfix.absr
+    libc.src.stdfix.exphk
+    libc.src.stdfix.expk
+    libc.src.stdfix.roundhk
+    libc.src.stdfix.roundhr
+    libc.src.stdfix.roundk
+    libc.src.stdfix.roundlk
+    libc.src.stdfix.roundlr
+    libc.src.stdfix.roundr
+    libc.src.stdfix.rounduhk
+    libc.src.stdfix.rounduhr
+    libc.src.stdfix.rounduk
+    libc.src.stdfix.roundulk
+    libc.src.stdfix.roundulr
+    libc.src.stdfix.roundur
+    libc.src.stdfix.sqrtuhk
+    libc.src.stdfix.sqrtuhr
+    libc.src.stdfix.sqrtuk
+    libc.src.stdfix.sqrtur
+    # libc.src.stdfix.sqrtulk
+    libc.src.stdfix.sqrtulr
+    libc.src.stdfix.uhksqrtus
+    libc.src.stdfix.uksqrtui
+    libc.src.stdfix.hrbits
+    libc.src.stdfix.uhrbits
+    libc.src.stdfix.rbits
+    libc.src.stdfix.urbits
+    libc.src.stdfix.lrbits
+    libc.src.stdfix.ulrbits
+    libc.src.stdfix.hkbits
+    libc.src.stdfix.uhkbits
+    libc.src.stdfix.kbits
+    libc.src.stdfix.ukbits
+    libc.src.stdfix.lkbits
+    libc.src.stdfix.ulkbits
+  )
+endif()
+
+set(TARGET_LLVMLIBC_ENTRYPOINTS
+  ${TARGET_LIBC_ENTRYPOINTS}
+  ${TARGET_LIBM_ENTRYPOINTS}
+)
diff --git a/libc/config/baremetal/aarch64/headers.txt b/libc/config/baremetal/aarch64/headers.txt
new file mode 100644
index 00000000000000..6cc8a80455d3ac
--- /dev/null
+++ b/libc/config/baremetal/aarch64/headers.txt
@@ -0,0 +1,20 @@
+set(TARGET_PUBLIC_HEADERS
+    libc.include.assert
+    libc.include.ctype
+    libc.include.errno
+    libc.include.features
+    libc.include.fenv
+    libc.include.float
+    libc.include.inttypes
+    libc.include.math
+    libc.include.setjmp
+    libc.include.stdfix
+    libc.include.stdint
+    libc.include.stdio
+    libc.include.stdlib
+    libc.include.string
+    libc.include.strings
+    libc.include.sys_queue
+    libc.include.time
+    libc.include.uchar
+)

@petrhosek petrhosek merged commit 2e8ce30 into llvm:main Dec 9, 2024
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@nickdesaulniers nickdesaulniers mentioned this pull request Dec 10, 2024
Merged
nickdesaulniers added a commit to nickdesaulniers/llvm-project that referenced this pull request Dec 10, 2024
@nickdesaulniers
[libc] fix up strings.h entrypoints
cd0d7b3 
I missed riscv, and the newly added baremetal aarch64 entrypoints had a mid air
collision.

Link: llvm#118691
Link: llvm#118899
nickdesaulniers added a commit that referenced this pull request Dec 10, 2024
@nickdesaulniers
[libc] fix up strings.h entrypoints (#119417)
d1d5fc3 
I typo'd riscv, and the newly added baremetal aarch64 entrypoints had a mid air
collision.

Link: #118691
Link: #118899
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@nickdesaulniers nickdesaulniers nickdesaulniers approved these changes

@michaelrj-google michaelrj-google michaelrj-google approved these changes

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