diff options
| author | Iain Buclaw <ibuclaw@gdcproject.org> | 2019-04-23 22:53:12 +0000 |
|---|---|---|
| committer | Iain Buclaw <ibuclaw@gdcproject.org> | 2019-04-23 22:53:12 +0000 |
| commit | 952a73f81703fea946b05b264ea7ba772c8dacac (patch) | |
| tree | 1eaa98a40c61f1dcde726eeb560ca71882af7b82 /libphobos | |
| parent | 2862c8a0350fa92a94a8522d3da441a5e3434d82 (diff) | |
libphobos: Add D support for RISC-V Linux
2019-04-23 Iain Buclaw <ibuclaw@gdcproject.org>
* configure.tgt: Add riscv*-*-linux* as supported target.
* libdruntime/gcc/sections/elf_shared.d (getDependencies): Adjust
dlpi_addr on RISCV32 and RISCV64.
* src/std/math.d: Add IEEE FPU control support for RISCV.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@270522 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libphobos')
| -rw-r--r-- | libphobos/ChangeLog | 7 | ||||
| -rw-r--r-- | libphobos/configure.tgt | 3 | ||||
| -rw-r--r-- | libphobos/libdruntime/gcc/sections/elf_shared.d | 14 | ||||
| -rw-r--r-- | libphobos/src/std/math.d | 33 |
4 files changed, 56 insertions, 1 deletions
diff --git a/libphobos/ChangeLog b/libphobos/ChangeLog index 74c9c88730d..1f5ea28ddf7 100644 --- a/libphobos/ChangeLog +++ b/libphobos/ChangeLog @@ -1,3 +1,10 @@ +2019-04-23 Iain Buclaw <ibuclaw@gdcproject.org> + + * configure.tgt: Add linux/riscv as supported target. + * libdruntime/gcc/sections/elf_shared.d (getDependencies): Adjust + dlpi_addr on RISCV32 and RISCV64. + * src/std/math.d: Add IEEE FPU control support for RISC-V. + 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> Bernd Edlinger <bernd.edlinger@hotmail.de> Jakub Jelinek <jakub@redhat.com> diff --git a/libphobos/configure.tgt b/libphobos/configure.tgt index b30f0858108..5deba2a9961 100644 --- a/libphobos/configure.tgt +++ b/libphobos/configure.tgt @@ -29,6 +29,9 @@ case "${target}" in mips*-*-linux*) LIBPHOBOS_SUPPORTED=yes ;; + riscv*-*-linux*) + LIBPHOBOS_SUPPORTED=yes + ;; x86_64-*-kfreebsd*-gnu | i?86-*-kfreebsd*-gnu) LIBPHOBOS_SUPPORTED=yes ;; diff --git a/libphobos/libdruntime/gcc/sections/elf_shared.d b/libphobos/libdruntime/gcc/sections/elf_shared.d index 4cf5a233fc4..89adcea889e 100644 --- a/libphobos/libdruntime/gcc/sections/elf_shared.d +++ b/libphobos/libdruntime/gcc/sections/elf_shared.d @@ -22,6 +22,9 @@ module gcc.sections.elf_shared; +version (RISCV32) version = RISCV_Any; +version (RISCV64) version = RISCV_Any; + version (CRuntime_Glibc) enum SharedELF = true; else version (CRuntime_Musl) enum SharedELF = true; else version (FreeBSD) enum SharedELF = true; @@ -723,7 +726,16 @@ version (Shared) version (CRuntime_Musl) strtab = cast(const(char)*)(info.dlpi_addr + dyn.d_un.d_ptr); // relocate else version (linux) - strtab = cast(const(char)*)dyn.d_un.d_ptr; + { + // This might change in future glibc releases (after 2.29) as dynamic sections + // are not required to be read-only on RISC-V. This was copy & pasted from MIPS + // while upstreaming RISC-V support. Otherwise MIPS is the only arch which sets + // in glibc: #define DL_RO_DYN_SECTION 1 + version (RISCV_Any) + strtab = cast(const(char)*)(info.dlpi_addr + dyn.d_un.d_ptr); // relocate + else + strtab = cast(const(char)*)dyn.d_un.d_ptr; + } else version (FreeBSD) strtab = cast(const(char)*)(info.dlpi_addr + dyn.d_un.d_ptr); // relocate else version (NetBSD) diff --git a/libphobos/src/std/math.d b/libphobos/src/std/math.d index daee6ec3c33..6dec9cee9a0 100644 --- a/libphobos/src/std/math.d +++ b/libphobos/src/std/math.d @@ -4757,6 +4757,15 @@ private: return result; } } + else version (RISCV_Any) + { + uint result = void; + asm pure nothrow @nogc + { + "frflags %0" : "=r" result; + } + return result; + } else assert(0, "Not yet supported"); } @@ -4831,6 +4840,14 @@ private: } } } + else version (RISCV_Any) + { + uint newValues = 0x0; + asm pure nothrow @nogc + { + "fsflags %0" : : "r" newValues; + } + } else assert(0, "Not yet supported"); } @@ -5423,6 +5440,15 @@ private: } return cont; } + else version (RISCV_Any) + { + ControlState cont; + asm pure nothrow @nogc + { + "frcsr %0" : "=r" cont; + } + return cont; + } else assert(0, "Not yet supported"); } @@ -5508,6 +5534,13 @@ private: } } } + else version (RISCV_Any) + { + asm pure nothrow @nogc + { + "fscsr %0" : : "r" (newState); + } + } else assert(0, "Not yet supported"); } |