217 lines
7.9 KiB
Diff
217 lines
7.9 KiB
Diff
diff --git a/libphobos/configure.tgt b/libphobos/configure.tgt
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index 0471bfd..811fdfa 100644
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--- a/libphobos/configure.tgt
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+++ b/libphobos/configure.tgt
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@@ -32,6 +32,8 @@ case "${target}" in
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;;
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x86_64-*-netbsd* | i?86-*-netbsd*)
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;;
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+ riscv*-*-linux*)
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+ ;;
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*)
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UNSUPPORTED=1
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;;
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diff --git a/libphobos/libdruntime/core/atomic.d b/libphobos/libdruntime/core/atomic.d
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index 0b39cdd..5a6c4b8 100644
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--- a/libphobos/libdruntime/core/atomic.d
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+++ b/libphobos/libdruntime/core/atomic.d
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@@ -1353,7 +1353,7 @@ else version (GNU)
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private bool casImpl(T,V1,V2)( shared(T)* here, V1 ifThis, V2 writeThis ) pure nothrow @nogc @trusted
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{
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- static assert(GNU_Have_Atomics, "cas() not supported on this architecture");
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+ static assert(GNU_Have_Atomics || GNU_Have_LibAtomic, "cas() not supported on this architecture");
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bool res = void;
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static if (T.sizeof == byte.sizeof)
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@@ -1406,7 +1406,7 @@ else version (GNU)
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{
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static assert(ms != MemoryOrder.rel, "Invalid MemoryOrder for atomicLoad");
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static assert(__traits(isPOD, T), "argument to atomicLoad() must be POD");
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- static assert(GNU_Have_Atomics, "atomicLoad() not supported on this architecture");
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+ static assert(GNU_Have_Atomics || GNU_Have_LibAtomic, "atomicLoad() not supported on this architecture");
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static if (T.sizeof == ubyte.sizeof)
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{
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@@ -1444,7 +1444,7 @@ else version (GNU)
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{
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static assert(ms != MemoryOrder.acq, "Invalid MemoryOrder for atomicStore");
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static assert(__traits(isPOD, T), "argument to atomicLoad() must be POD");
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- static assert(GNU_Have_Atomics, "atomicStore() not supported on this architecture");
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+ static assert(GNU_Have_Atomics || GNU_Have_LibAtomic, "atomicStore() not supported on this architecture");
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static if (T.sizeof == ubyte.sizeof)
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{
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diff --git a/libphobos/libdruntime/rt/sections_elf_shared.d b/libphobos/libdruntime/rt/sections_elf_shared.d
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index d4e1ff0..45c1dcb 100644
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--- a/libphobos/libdruntime/rt/sections_elf_shared.d
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+++ b/libphobos/libdruntime/rt/sections_elf_shared.d
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@@ -10,6 +10,9 @@
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module rt.sections_elf_shared;
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+version (RISCV32) version = RISCV_Any;
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+version (RISCV64) version = RISCV_Any;
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+
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version (CRuntime_Glibc) enum SharedELF = true;
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else version (FreeBSD) enum SharedELF = true;
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else version (NetBSD) enum SharedELF = true;
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@@ -671,7 +674,16 @@ version (Shared)
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if (dyn.d_tag == DT_STRTAB)
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{
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version (linux)
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- strtab = cast(const(char)*)dyn.d_un.d_ptr;
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+ {
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+ // This might change in future glibc releases (after 2.29) as dynamic sections
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+ // are not required to be read-only on RISC-V. This was copy & pasted from MIPS while
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+ // upstreaming RISC-V support. Otherwise MIPS is the only arch which sets in glibc:
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+ // #define DL_RO_DYN_SECTION 1
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+ version (RISCV_Any)
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+ strtab = cast(const(char)*)(info.dlpi_addr + dyn.d_un.d_ptr); // relocate
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+ else
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+ strtab = cast(const(char)*)dyn.d_un.d_ptr;
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+ }
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else version (FreeBSD)
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strtab = cast(const(char)*)(info.dlpi_addr + dyn.d_un.d_ptr); // relocate
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else version (NetBSD)
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diff --git a/libphobos/src/std/experimental/allocator/building_blocks/region.d b/libphobos/src/std/experimental/allocator/building_blocks/region.d
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index dfcecce..cafe059 100644
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--- a/libphobos/src/std/experimental/allocator/building_blocks/region.d
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+++ b/libphobos/src/std/experimental/allocator/building_blocks/region.d
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@@ -391,7 +391,8 @@ struct InSituRegion(size_t size, size_t minAlign = platformAlignment)
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else version (PPC) enum growDownwards = Yes.growDownwards;
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else version (PPC64) enum growDownwards = Yes.growDownwards;
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else version (MIPS32) enum growDownwards = Yes.growDownwards;
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- else version (MIPS64) enum growDownwards = Yes.growDownwards;
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+ else version (RISCV32) enum growDownwards = Yes.growDownwards;
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+ else version (RISCV64) enum growDownwards = Yes.growDownwards;
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else version (SPARC) enum growDownwards = Yes.growDownwards;
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else version (SystemZ) enum growDownwards = Yes.growDownwards;
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else static assert(0, "Dunno how the stack grows on this architecture.");
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diff --git a/libphobos/src/std/math.d b/libphobos/src/std/math.d
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index e98e746..9fe7465 100644
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--- a/libphobos/src/std/math.d
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+++ b/libphobos/src/std/math.d
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@@ -162,6 +162,8 @@ version (AArch64) version = ARM_Any;
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version (ARM) version = ARM_Any;
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version (SPARC) version = SPARC_Any;
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version (SPARC64) version = SPARC_Any;
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+version (RISCV32) version = RISCV_Any;
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+version (RISCV64) version = RISCV_Any;
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version (D_InlineAsm_X86)
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{
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@@ -4683,6 +4685,7 @@ private:
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// The Pentium SSE2 status register is 32 bits.
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// The ARM and PowerPC FPSCR is a 32-bit register.
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// The SPARC FSR is a 32bit register (64 bits for SPARC 7 & 8, but high bits are uninteresting).
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+ // The RISC-V (32 & 64 bit) fcsr is 32-bit register.
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uint flags;
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version (CRuntime_Microsoft)
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@@ -4754,6 +4757,15 @@ private:
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return result;
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}
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}
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+ else version (RISCV_Any)
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+ {
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+ uint result = void;
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+ asm pure nothrow @nogc
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+ {
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+ "frflags %0" : "=r" (result);
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+ }
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+ return result;
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+ }
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else
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assert(0, "Not yet supported");
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}
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@@ -4828,6 +4840,14 @@ private:
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}
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}
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}
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+ else version (RISCV_Any)
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+ {
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+ uint newValues = 0x0;
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+ asm pure nothrow @nogc
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+ {
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+ "fsflags %0" : : "r" (newValues);
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+ }
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+ }
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else
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assert(0, "Not yet supported");
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}
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@@ -4987,6 +5007,10 @@ else version (PPC_Any)
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{
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version = IeeeFlagsSupport;
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}
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+else version (RISCV_Any)
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+{
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+ version = IeeeFlagsSupport;
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+}
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else version (MIPS_Any)
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{
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version = IeeeFlagsSupport;
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@@ -5226,6 +5250,21 @@ struct FloatingPointControl
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| inexactException,
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}
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}
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+ else version (RISCV_Any)
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+ {
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+ enum : ExceptionMask
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+ {
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+ inexactException = 0x01,
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+ divByZeroException = 0x02,
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+ underflowException = 0x04,
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+ overflowException = 0x08,
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+ invalidException = 0x10,
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+ severeExceptions = overflowException | divByZeroException
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+ | invalidException,
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+ allExceptions = severeExceptions | underflowException
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+ | inexactException,
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+ }
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+ }
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else version (X86_Any)
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{
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enum : ExceptionMask
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@@ -5338,6 +5377,10 @@ private:
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{
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alias ControlState = uint;
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}
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+ else version (RISCV_Any)
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+ {
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+ alias ControlState = uint;
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+ }
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else version (X86_Any)
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{
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alias ControlState = ushort;
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@@ -5397,6 +5440,15 @@ private:
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}
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return cont;
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}
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+ else version (RISCV_Any)
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+ {
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+ ControlState cont;
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+ asm pure nothrow @nogc
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+ {
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+ "frcsr %0" : "=r" (cont);
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+ }
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+ return cont;
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+ }
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else
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assert(0, "Not yet supported");
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}
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@@ -5482,6 +5534,13 @@ private:
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}
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}
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}
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+ else version (RISCV_Any)
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+ {
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+ asm pure nothrow @nogc
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+ {
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+ "fscsr %0" : : "r" (newState);
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+ }
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+ }
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else
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assert(0, "Not yet supported");
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}
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