avr: don't compile large parts of picolibc (math, stdio)
These parts aren't critical and lead to crashes on small chips without long jumps (like the attiny85) with LLVM 17. (Older LLVM versions would emit long jumps regardless, even if the chip didn't support those). For more information, see: https://github.com/llvm/llvm-project/issues/67042
Этот коммит содержится в:
Ayke van Laethem
Ron Evans
родитель
88b29589d6
коммит
499fce9cee
1 изменённых файлов: 93 добавлений и 79 удалений
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@ -3,6 +3,7 @@ package builder
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import (
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"os"
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"path/filepath"
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"strings"
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"github.com/tinygo-org/tinygo/goenv"
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)
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@ -41,91 +42,23 @@ var Picolibc = Library{
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},
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sourceDir: func() string { return filepath.Join(goenv.Get("TINYGOROOT"), "lib/picolibc/newlib") },
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librarySources: func(target string) ([]string, error) {
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return picolibcSources, nil
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sources := append([]string(nil), picolibcSources...)
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if !strings.HasPrefix(target, "avr") {
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// Small chips without long jumps can't compile many files (printf,
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// pow, etc). Therefore exclude those source files for those chips.
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// Unfortunately it's difficult to exclude only some chips, so this
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// excludes those files on all AVR chips for now.
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// More information:
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// https://github.com/llvm/llvm-project/issues/67042
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sources = append(sources, picolibcSourcesLarge...)
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}
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return sources, nil
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},
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}
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var picolibcSources = []string{
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"../../picolibc-stdio.c",
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// srcs_tinystdio
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"libc/tinystdio/asprintf.c",
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"libc/tinystdio/bufio.c",
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"libc/tinystdio/clearerr.c",
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"libc/tinystdio/ecvt_r.c",
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"libc/tinystdio/ecvt.c",
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"libc/tinystdio/ecvtf_r.c",
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"libc/tinystdio/ecvtf.c",
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"libc/tinystdio/fcvt.c",
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"libc/tinystdio/fcvt_r.c",
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"libc/tinystdio/fcvtf.c",
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"libc/tinystdio/fcvtf_r.c",
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"libc/tinystdio/gcvt.c",
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"libc/tinystdio/gcvtf.c",
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"libc/tinystdio/fclose.c",
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"libc/tinystdio/fdevopen.c",
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"libc/tinystdio/feof.c",
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"libc/tinystdio/ferror.c",
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"libc/tinystdio/fflush.c",
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"libc/tinystdio/fgetc.c",
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"libc/tinystdio/fgets.c",
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"libc/tinystdio/fileno.c",
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"libc/tinystdio/filestrget.c",
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"libc/tinystdio/filestrput.c",
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"libc/tinystdio/filestrputalloc.c",
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"libc/tinystdio/fmemopen.c",
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"libc/tinystdio/fprintf.c",
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"libc/tinystdio/fputc.c",
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"libc/tinystdio/fputs.c",
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"libc/tinystdio/fread.c",
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//"libc/tinystdio/freopen.c", // crashes with AVR, see: https://github.com/picolibc/picolibc/pull/369
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"libc/tinystdio/fscanf.c",
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"libc/tinystdio/fseek.c",
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"libc/tinystdio/fseeko.c",
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"libc/tinystdio/ftell.c",
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"libc/tinystdio/ftello.c",
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"libc/tinystdio/fwrite.c",
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"libc/tinystdio/getchar.c",
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"libc/tinystdio/gets.c",
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"libc/tinystdio/matchcaseprefix.c",
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"libc/tinystdio/mktemp.c",
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"libc/tinystdio/perror.c",
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"libc/tinystdio/printf.c",
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"libc/tinystdio/putchar.c",
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"libc/tinystdio/puts.c",
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"libc/tinystdio/rewind.c",
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"libc/tinystdio/scanf.c",
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"libc/tinystdio/setbuf.c",
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"libc/tinystdio/setbuffer.c",
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"libc/tinystdio/setlinebuf.c",
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"libc/tinystdio/setvbuf.c",
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"libc/tinystdio/snprintf.c",
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"libc/tinystdio/sprintf.c",
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"libc/tinystdio/snprintfd.c",
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"libc/tinystdio/snprintff.c",
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"libc/tinystdio/sprintff.c",
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"libc/tinystdio/sprintfd.c",
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"libc/tinystdio/sscanf.c",
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"libc/tinystdio/strfromf.c",
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"libc/tinystdio/strfromd.c",
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"libc/tinystdio/strtof.c",
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"libc/tinystdio/strtof_l.c",
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"libc/tinystdio/strtod.c",
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"libc/tinystdio/strtod_l.c",
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"libc/tinystdio/ungetc.c",
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"libc/tinystdio/vasprintf.c",
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"libc/tinystdio/vfiprintf.c",
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"libc/tinystdio/vfprintf.c",
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"libc/tinystdio/vfprintff.c",
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"libc/tinystdio/vfscanf.c",
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"libc/tinystdio/vfiscanf.c",
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"libc/tinystdio/vfscanff.c",
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"libc/tinystdio/vprintf.c",
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"libc/tinystdio/vscanf.c",
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"libc/tinystdio/vsscanf.c",
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"libc/tinystdio/vsnprintf.c",
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"libc/tinystdio/vsprintf.c",
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"libc/string/bcmp.c",
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"libc/string/bcopy.c",
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"libc/string/bzero.c",
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@ -229,6 +162,87 @@ var picolibcSources = []string{
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"libc/string/wmempcpy.c",
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"libc/string/wmemset.c",
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"libc/string/xpg_strerror_r.c",
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}
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// Parts of picolibc that are too large for small AVRs.
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var picolibcSourcesLarge = []string{
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// srcs_tinystdio
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"libc/tinystdio/asprintf.c",
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"libc/tinystdio/bufio.c",
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"libc/tinystdio/clearerr.c",
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"libc/tinystdio/ecvt_r.c",
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"libc/tinystdio/ecvt.c",
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"libc/tinystdio/ecvtf_r.c",
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"libc/tinystdio/ecvtf.c",
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"libc/tinystdio/fcvt.c",
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"libc/tinystdio/fcvt_r.c",
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"libc/tinystdio/fcvtf.c",
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"libc/tinystdio/fcvtf_r.c",
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"libc/tinystdio/gcvt.c",
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"libc/tinystdio/gcvtf.c",
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"libc/tinystdio/fclose.c",
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"libc/tinystdio/fdevopen.c",
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"libc/tinystdio/feof.c",
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"libc/tinystdio/ferror.c",
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"libc/tinystdio/fflush.c",
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"libc/tinystdio/fgetc.c",
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"libc/tinystdio/fgets.c",
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"libc/tinystdio/fileno.c",
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"libc/tinystdio/filestrget.c",
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"libc/tinystdio/filestrput.c",
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"libc/tinystdio/filestrputalloc.c",
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"libc/tinystdio/fmemopen.c",
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"libc/tinystdio/fprintf.c",
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"libc/tinystdio/fputc.c",
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"libc/tinystdio/fputs.c",
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"libc/tinystdio/fread.c",
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//"libc/tinystdio/freopen.c", // crashes with AVR, see: https://github.com/picolibc/picolibc/pull/369
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"libc/tinystdio/fscanf.c",
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"libc/tinystdio/fseek.c",
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"libc/tinystdio/fseeko.c",
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"libc/tinystdio/ftell.c",
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"libc/tinystdio/ftello.c",
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"libc/tinystdio/fwrite.c",
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"libc/tinystdio/getchar.c",
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"libc/tinystdio/gets.c",
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"libc/tinystdio/matchcaseprefix.c",
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"libc/tinystdio/mktemp.c",
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"libc/tinystdio/perror.c",
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"libc/tinystdio/printf.c",
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"libc/tinystdio/putchar.c",
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"libc/tinystdio/puts.c",
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"libc/tinystdio/rewind.c",
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"libc/tinystdio/scanf.c",
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"libc/tinystdio/setbuf.c",
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"libc/tinystdio/setbuffer.c",
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"libc/tinystdio/setlinebuf.c",
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"libc/tinystdio/setvbuf.c",
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"libc/tinystdio/snprintf.c",
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"libc/tinystdio/sprintf.c",
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"libc/tinystdio/snprintfd.c",
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"libc/tinystdio/snprintff.c",
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"libc/tinystdio/sprintff.c",
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"libc/tinystdio/sprintfd.c",
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"libc/tinystdio/sscanf.c",
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"libc/tinystdio/strfromf.c",
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"libc/tinystdio/strfromd.c",
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"libc/tinystdio/strtof.c",
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"libc/tinystdio/strtof_l.c",
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"libc/tinystdio/strtod.c",
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"libc/tinystdio/strtod_l.c",
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"libc/tinystdio/ungetc.c",
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"libc/tinystdio/vasprintf.c",
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"libc/tinystdio/vfiprintf.c",
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"libc/tinystdio/vfprintf.c",
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"libc/tinystdio/vfprintff.c",
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"libc/tinystdio/vfscanf.c",
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"libc/tinystdio/vfiscanf.c",
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"libc/tinystdio/vfscanff.c",
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"libc/tinystdio/vprintf.c",
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"libc/tinystdio/vscanf.c",
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"libc/tinystdio/vsscanf.c",
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"libc/tinystdio/vsnprintf.c",
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"libc/tinystdio/vsprintf.c",
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"libm/common/sf_finite.c",
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"libm/common/sf_copysign.c",
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