authorgravatar for jacoblevgw@gmail.comJacob G-W <jacoblevgw@gmail.com> 2022-01-06 22:47:27-05:00
committergravatar for jacoblevgw@gmail.comJacob G-W <jacoblevgw@gmail.com> 2022-01-06 22:47:27-05:00
logab400ad62406e5ed7660d01d7065dc14081b10f6
tree51b0e315337bf776a99a6b62d1b9181e56e8edfd
parent4d6849ceb89fc90c1bc5e198a30624d07dedf9e5

Plan9: implement getDeclVAddr

2 files changed, 24 insertions(+), 1 deletions(-)

src/link.zig+1-1
...@@ -643,7 +643,7 @@ pub const File = struct {...@@ -643,7 +643,7 @@ pub const File = struct {
643 .coff => return @fieldParentPtr(Coff, "base", base).getDeclVAddr(decl),643 .coff => return @fieldParentPtr(Coff, "base", base).getDeclVAddr(decl),
644 .elf => return @fieldParentPtr(Elf, "base", base).getDeclVAddr(decl),644 .elf => return @fieldParentPtr(Elf, "base", base).getDeclVAddr(decl),
645 .macho => return @fieldParentPtr(MachO, "base", base).getDeclVAddr(decl),645 .macho => return @fieldParentPtr(MachO, "base", base).getDeclVAddr(decl),
646 .plan9 => @panic("GET VADDR"),646 .plan9 => return @fieldParentPtr(Plan9, "base", base).getDeclVAddr(decl),
647 .c => unreachable,647 .c => unreachable,
648 .wasm => unreachable,648 .wasm => unreachable,
649 .spirv => unreachable,649 .spirv => unreachable,
src/link/Plan9.zig+23
...@@ -740,3 +740,26 @@ pub fn allocateDeclIndexes(self: *Plan9, decl: *Module.Decl) !void {...@@ -740,3 +740,26 @@ pub fn allocateDeclIndexes(self: *Plan9, decl: *Module.Decl) !void {
740 _ = self;740 _ = self;
741 _ = decl;741 _ = decl;
742}742}
743pub fn getDeclVAddr(self: *Plan9, decl: *const Module.Decl) u64 {
744 if (decl.ty.zigTypeTag() == .Fn) {
745 var start = self.bases.text;
746 var it_file = self.fn_decl_table.iterator();
747 while (it_file.next()) |fentry| {
748 var symidx_and_submap = fentry.value_ptr;
749 var submap_it = symidx_and_submap.functions.iterator();
750 while (submap_it.next()) |entry| {
751 if (entry.key_ptr.* == decl) return start;
752 start += entry.value_ptr.code.len;
753 }
754 }
755 unreachable;
756 } else {
757 var start = self.bases.data + self.got_len * if (!self.sixtyfour_bit) @as(u32, 4) else 8;
758 var it = self.data_decl_table.iterator();
759 while (it.next()) |kv| {
760 if (decl == kv.key_ptr.*) return start;
761 start += kv.value_ptr.len;
762 }
763 unreachable;
764 }
765}