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| author | Jakub Konka <kubkon@jakubkonka.com> | 2021-01-08 23:16:50 +0100 |
|---|---|---|
| committer | Andrew Kelley <andrew@ziglang.org> | 2021-01-13 14:51:23 -0800 |
| commit | 5487dd13ea23ad7e547995b9a088ba37bfe17737 (patch) | |
| tree | d1bc46aed5d4db149d32cb4fca0406f86f1f1790 /src/codegen.zig | |
| parent | a021c7b1b2428ecda85e79e281d43fa1c92f8c94 (diff) | |
| download | zig-5487dd13ea23ad7e547995b9a088ba37bfe17737.tar.gz zig-5487dd13ea23ad7e547995b9a088ba37bfe17737.zip | |
stage2: lay the groundwork in prep for extern fn
This commit lays the groundwork in preparation for implementing
handling of extern functions in various backends.
Diffstat (limited to 'src/codegen.zig')
| -rw-r--r-- | src/codegen.zig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/codegen.zig b/src/codegen.zig index eba5cb7913..d83eba2219 100644 --- a/src/codegen.zig +++ b/src/codegen.zig @@ -1602,6 +1602,8 @@ fn Function(comptime arch: std.Target.Cpu.Arch) type { try self.code.ensureCapacity(self.code.items.len + 7); self.code.appendSliceAssumeCapacity(&[3]u8{ 0xff, 0x14, 0x25 }); mem.writeIntLittle(u32, self.code.addManyAsArrayAssumeCapacity(4), got_addr); + } else if (func_value.castTag(.extern_fn)) |_| { + return self.fail(inst.base.src, "TODO implement calling extern functions", .{}); } else { return self.fail(inst.base.src, "TODO implement calling bitcasted functions", .{}); } @@ -1628,6 +1630,8 @@ fn Function(comptime arch: std.Target.Cpu.Arch) type { try self.genSetReg(inst.base.src, .ra, .{ .memory = got_addr }); mem.writeIntLittle(u32, try self.code.addManyAsArray(4), Instruction.jalr(.ra, 0, .ra).toU32()); + } else if (func_value.castTag(.extern_fn)) |_| { + return self.fail(inst.base.src, "TODO implement calling extern functions", .{}); } else { return self.fail(inst.base.src, "TODO implement calling bitcasted functions", .{}); } @@ -1672,6 +1676,8 @@ fn Function(comptime arch: std.Target.Cpu.Arch) type { else => return self.fail(inst.base.src, "TODO implement fn call with non-void return value", .{}), } } + } else if (func_value.castTag(.extern_fn)) |_| { + return self.fail(inst.base.src, "TODO implement calling extern functions", .{}); } else { return self.fail(inst.base.src, "TODO implement calling bitcasted functions", .{}); } @@ -1733,6 +1739,8 @@ fn Function(comptime arch: std.Target.Cpu.Arch) type { writeInt(u32, try self.code.addManyAsArray(4), Instruction.mov(.al, .lr, Instruction.Operand.reg(.pc, Instruction.Operand.Shift.none)).toU32()); writeInt(u32, try self.code.addManyAsArray(4), Instruction.bx(.al, .lr).toU32()); } + } else if (func_value.castTag(.extern_fn)) |_| { + return self.fail(inst.base.src, "TODO implement calling extern functions", .{}); } else { return self.fail(inst.base.src, "TODO implement calling bitcasted functions", .{}); } @@ -1787,6 +1795,8 @@ fn Function(comptime arch: std.Target.Cpu.Arch) type { try self.genSetReg(inst.base.src, .x30, .{ .memory = got_addr }); writeInt(u32, try self.code.addManyAsArray(4), Instruction.blr(.x30).toU32()); + } else if (func_value.castTag(.extern_fn)) |_| { + return self.fail(inst.base.src, "TODO implement calling extern functions", .{}); } else { return self.fail(inst.base.src, "TODO implement calling bitcasted functions", .{}); } @@ -1849,6 +1859,8 @@ fn Function(comptime arch: std.Target.Cpu.Arch) type { }, else => unreachable, // unsupported architecture on MachO } + } else if (func_value.castTag(.extern_fn)) |_| { + return self.fail(inst.base.src, "TODO implement calling extern functions", .{}); } else { return self.fail(inst.base.src, "TODO implement calling bitcasted functions", .{}); } |