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0a48860c27
Author: Alex Suykov <alex.suykov@gmail.com> Author: Aric Belsito <lluixhi@gmail.com> Author: Drew DeVault <sir@cmpwn.com> Author: Michael Clark <mjc@sifive.com> Author: Michael Forney <mforney@mforney.org> Author: Stefan O'Rear <sorear2@gmail.com> This port has involved the work of many people over several years. I have tried to ensure that everyone with substantial contributions has been credited above; if any omissions are found they will be noted later in an update to the authors/contributors list in the COPYRIGHT file. The version committed here comes from the riscv/riscv-musl repo's commit 3fe7e2c75df78eef42dcdc352a55757729f451e2, with minor changes by me for issues found during final review: - a_ll/a_sc atomics are removed (according to the ISA spec, lr/sc are not safe to use in separate inline asm fragments) - a_cas[_p] is fixed to be a memory barrier - the call from the _start assembly into the C part of crt1/ldso is changed to allow for the possibility that the linker does not place them nearby each other. - DTP_OFFSET is defined correctly so that local-dynamic TLS works - reloc.h LDSO_ARCH logic is simplified and made explicit. - unused, non-functional crti/n asm files are removed. - an empty .sdata section is added to crt1 so that the __global_pointer reference is resolvable. - indentation style errors in some asm files are fixed.
18 lines
373 B
C
18 lines
373 B
C
#define FE_INVALID 16
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#define FE_DIVBYZERO 8
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#define FE_OVERFLOW 4
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#define FE_UNDERFLOW 2
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#define FE_INEXACT 1
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#define FE_ALL_EXCEPT 31
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#define FE_TONEAREST 0
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#define FE_DOWNWARD 2
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#define FE_UPWARD 3
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#define FE_TOWARDZERO 1
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typedef unsigned int fexcept_t;
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typedef unsigned int fenv_t;
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#define FE_DFL_ENV ((const fenv_t *) -1)
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