Commit a47212c72e

kcbanner <kcbanner@gmail.com>
2023-06-23 17:54:06
- rebase and update to lastest master
1 parent adbc5bb
Changed files (3)
lib/std/dwarf/call_frame.zig
@@ -38,12 +38,12 @@ const Opcode = enum(u8) {
     val_expression = 0x16,
 
     // These opcodes encode an operand in the lower 6 bits of the opcode itself
-    pub const lo_inline = @enumToInt(Opcode.advance_loc);
-    pub const hi_inline = @enumToInt(Opcode.restore) | 0b111111;
+    pub const lo_inline = @intFromEnum(Opcode.advance_loc);
+    pub const hi_inline = @intFromEnum(Opcode.restore) | 0b111111;
 
     // These opcodes are trailed by zero or more operands
-    pub const lo_reserved = @enumToInt(Opcode.nop);
-    pub const hi_reserved = @enumToInt(Opcode.val_expression);
+    pub const lo_reserved = @intFromEnum(Opcode.nop);
+    pub const hi_reserved = @intFromEnum(Opcode.val_expression);
 
     // Vendor-specific opcodes
     pub const lo_user = 0x1c;
@@ -206,13 +206,13 @@ pub const Instruction = union(Opcode) {
     ) !Instruction {
         return switch (try stream.reader().readByte()) {
             inline Opcode.lo_inline...Opcode.hi_inline => |opcode| blk: {
-                const e = @intToEnum(Opcode, opcode & 0b11000000);
+                const e = @enumFromInt(Opcode, opcode & 0b11000000);
                 var result = @unionInit(Instruction, @tagName(e), undefined);
                 try result.readOperands(stream, @intCast(u6, opcode & 0b111111), addr_size_bytes, endian);
                 break :blk result;
             },
             inline Opcode.lo_reserved...Opcode.hi_reserved => |opcode| blk: {
-                const e = @intToEnum(Opcode, opcode);
+                const e = @enumFromInt(Opcode, opcode);
                 var result = @unionInit(Instruction, @tagName(e), undefined);
                 try result.readOperands(stream, null, addr_size_bytes, endian);
                 break :blk result;
@@ -304,7 +304,7 @@ pub const VirtualMachine = struct {
                 .same_value => {},
                 .offset => |offset| {
                     if (context.cfa) |cfa| {
-                        const ptr = @intToPtr(*const usize, try applyOffset(cfa, offset));
+                        const ptr = @ptrFromInt(*const usize, try applyOffset(cfa, offset));
 
                         // TODO: context.isValidMemory(ptr)
                         mem.writeIntSliceNative(usize, out, ptr.*);
lib/std/debug.zig
@@ -988,7 +988,7 @@ pub fn readElfDebugInfo(
             if (mem.eql(u8, name, ".gnu_debuglink")) {
                 const gnu_debuglink = try chopSlice(mapped_mem, shdr.sh_offset, shdr.sh_size);
                 const debug_filename = mem.sliceTo(@ptrCast([*:0]const u8, gnu_debuglink.ptr), 0);
-                const crc_offset = mem.alignForward(@ptrToInt(&debug_filename[debug_filename.len]) + 1, 4) - @ptrToInt(gnu_debuglink.ptr);
+                const crc_offset = mem.alignForward(usize, @intFromPtr(&debug_filename[debug_filename.len]) + 1, 4) - @intFromPtr(gnu_debuglink.ptr);
                 const crc_bytes = gnu_debuglink[crc_offset .. crc_offset + 4];
                 separate_debug_crc = mem.readIntSliceNative(u32, crc_bytes);
                 separate_debug_filename = debug_filename;
@@ -1007,11 +1007,9 @@ pub fn readElfDebugInfo(
                 var section_stream = io.fixedBufferStream(section_bytes);
                 var section_reader = section_stream.reader();
                 const chdr = section_reader.readStruct(elf.Chdr) catch continue;
-
-                // TODO: Support ZSTD
                 if (chdr.ch_type != .ZLIB) continue;
 
-                var zlib_stream = std.compress.zlib.zlibStream(allocator, section_stream.reader()) catch continue;
+                var zlib_stream = std.compress.zlib.decompressStream(allocator, section_stream.reader()) catch continue;
                 defer zlib_stream.deinit();
 
                 var decompressed_section = try allocator.alloc(u8, chdr.ch_size);
@@ -1031,10 +1029,10 @@ pub fn readElfDebugInfo(
         }
 
         const missing_debug_info =
-            sections[@enumToInt(DW.DwarfSection.debug_info)] == null or
-            sections[@enumToInt(DW.DwarfSection.debug_abbrev)] == null or
-            sections[@enumToInt(DW.DwarfSection.debug_str)] == null or
-            sections[@enumToInt(DW.DwarfSection.debug_line)] == null;
+            sections[@intFromEnum(DW.DwarfSection.debug_info)] == null or
+            sections[@intFromEnum(DW.DwarfSection.debug_abbrev)] == null or
+            sections[@intFromEnum(DW.DwarfSection.debug_str)] == null or
+            sections[@intFromEnum(DW.DwarfSection.debug_line)] == null;
 
         // Attempt to load debug info from an external file
         // See: https://sourceware.org/gdb/onlinedocs/gdb/Separate-Debug-Files.html
@@ -1537,7 +1535,7 @@ pub const DebugInfo = struct {
                     switch (phdr.p_type) {
                         elf.PT_NOTE => {
                             // Look for .note.gnu.build-id
-                            const note_bytes = @intToPtr([*]const u8, info.dlpi_addr + phdr.p_vaddr)[0..phdr.p_memsz];
+                            const note_bytes = @ptrFromInt([*]const u8, info.dlpi_addr + phdr.p_vaddr)[0..phdr.p_memsz];
                             const name_size = mem.readIntSliceNative(u32, note_bytes[0..4]);
                             if (name_size != 4) continue;
                             const desc_size = mem.readIntSliceNative(u32, note_bytes[4..8]);
@@ -1547,7 +1545,7 @@ pub const DebugInfo = struct {
                             context.build_id = note_bytes[16..][0..desc_size];
                         },
                         elf.PT_GNU_EH_FRAME => {
-                            context.gnu_eh_frame = @intToPtr([*]const u8, info.dlpi_addr + phdr.p_vaddr)[0..phdr.p_memsz];
+                            context.gnu_eh_frame = @ptrFromInt([*]const u8, info.dlpi_addr + phdr.p_vaddr)[0..phdr.p_memsz];
                         },
                         else => {},
                     }
@@ -1575,7 +1573,7 @@ pub const DebugInfo = struct {
             // are encoded relative to its base address, so we must use the
             // version that is already memory mapped, and not the one that
             // will be mapped separately from the ELF file.
-            sections[@enumToInt(DW.DwarfSection.eh_frame_hdr)] = .{
+            sections[@intFromEnum(DW.DwarfSection.eh_frame_hdr)] = .{
                 .data = eh_frame_hdr,
                 .owned = false,
             };
@@ -1689,10 +1687,10 @@ pub const ModuleDebugInfo = switch (native_os) {
             }
 
             const missing_debug_info =
-                sections[@enumToInt(DW.DwarfSection.debug_info)] == null or
-                sections[@enumToInt(DW.DwarfSection.debug_abbrev)] == null or
-                sections[@enumToInt(DW.DwarfSection.debug_str)] == null or
-                sections[@enumToInt(DW.DwarfSection.debug_line)] == null;
+                sections[@intFromEnum(DW.DwarfSection.debug_info)] == null or
+                sections[@intFromEnum(DW.DwarfSection.debug_abbrev)] == null or
+                sections[@intFromEnum(DW.DwarfSection.debug_str)] == null or
+                sections[@intFromEnum(DW.DwarfSection.debug_line)] == null;
             if (missing_debug_info) return error.MissingDebugInfo;
 
             var di = DW.DwarfInfo{
lib/std/dwarf.zig
@@ -691,7 +691,7 @@ pub const DwarfInfo = struct {
     is_macho: bool,
 
     pub fn section(di: DwarfInfo, dwarf_section: DwarfSection) ?[]const u8 {
-        return if (di.sections[@enumToInt(dwarf_section)]) |s| s.data else null;
+        return if (di.sections[@intFromEnum(dwarf_section)]) |s| s.data else null;
     }
 
     pub fn deinit(di: *DwarfInfo, allocator: mem.Allocator) void {
@@ -1506,12 +1506,12 @@ pub const DwarfInfo = struct {
             if (table_enc == EH.PE.omit) break :blk;
 
             const eh_frame_ptr = std.math.cast(usize, try readEhPointer(reader, eh_frame_ptr_enc, @sizeOf(usize), .{
-                .pc_rel_base = @ptrToInt(&eh_frame_hdr[stream.pos]),
+                .pc_rel_base = @intFromPtr(&eh_frame_hdr[stream.pos]),
                 .follow_indirect = true,
             }, builtin.cpu.arch.endian()) orelse return badDwarf()) orelse return badDwarf();
 
             const fde_count = std.math.cast(usize, try readEhPointer(reader, fde_count_enc, @sizeOf(usize), .{
-                .pc_rel_base = @ptrToInt(&eh_frame_hdr[stream.pos]),
+                .pc_rel_base = @intFromPtr(&eh_frame_hdr[stream.pos]),
                 .follow_indirect = true,
             }, builtin.cpu.arch.endian()) orelse return badDwarf()) orelse return badDwarf();
 
@@ -1538,7 +1538,7 @@ pub const DwarfInfo = struct {
                     .cie => {
                         const cie = try CommonInformationEntry.parse(
                             entry_header.entry_bytes,
-                            -@intCast(isize, @ptrToInt(binary_mem.ptr)),
+                            -@intCast(isize, @intFromPtr(binary_mem.ptr)),
                             //@ptrToInt(eh_frame.ptr),
                             //@ptrToInt(eh_frame.ptr) - @ptrToInt(binary_mem.ptr),
                             true,
@@ -1552,7 +1552,7 @@ pub const DwarfInfo = struct {
                         const cie = di.cie_map.get(cie_offset) orelse return badDwarf();
                         const fde = try FrameDescriptionEntry.parse(
                             entry_header.entry_bytes,
-                            -@intCast(isize, @ptrToInt(binary_mem.ptr)),
+                            -@intCast(isize, @intFromPtr(binary_mem.ptr)),
                             //@ptrToInt(eh_frame.ptr),
                             //@ptrToInt(eh_frame.ptr) - @ptrToInt(binary_mem.ptr),
                             true,
@@ -1594,7 +1594,7 @@ pub const DwarfInfo = struct {
 
         if (di.eh_frame_hdr) |header| {
             mapped_pc = context.pc;
-            try header.findEntry(context.isValidMemory, @ptrToInt(di.section(.eh_frame_hdr).?.ptr), mapped_pc, &cie, &fde);
+            try header.findEntry(context.isValidMemory, @intFromPtr(di.section(.eh_frame_hdr).?.ptr), mapped_pc, &cie, &fde);
         } else {
             mapped_pc = context.pc - module_base_address;
             const index = std.sort.binarySearch(FrameDescriptionEntry, mapped_pc, di.fde_list.items, {}, struct {
@@ -1790,7 +1790,7 @@ fn readEhPointer(reader: anytype, enc: u8, addr_size_bytes: u8, ctx: EhPointerCo
 
         const native_ptr = math.cast(usize, ptr) orelse return error.PointerOverflow;
         return switch (addr_size_bytes) {
-            2, 4, 8 => return @intToPtr(*const usize, native_ptr).*,
+            2, 4, 8 => return @ptrFromInt(*const usize, native_ptr).*,
             else => return error.UnsupportedAddrSize,
         };
     } else {
@@ -1842,7 +1842,7 @@ pub const ExceptionFrameHeader = struct {
 
             try stream.seekTo(mid * entry_size);
             const pc_begin = try readEhPointer(reader, self.table_enc, @sizeOf(usize), .{
-                .pc_rel_base = @ptrToInt(&self.entries[stream.pos]),
+                .pc_rel_base = @intFromPtr(&self.entries[stream.pos]),
                 .follow_indirect = true,
                 .data_rel_base = eh_frame_hdr_ptr,
             }, builtin.cpu.arch.endian()) orelse return badDwarf();
@@ -1857,13 +1857,13 @@ pub const ExceptionFrameHeader = struct {
 
         // Read past pc_begin
         _ = try readEhPointer(reader, self.table_enc, @sizeOf(usize), .{
-            .pc_rel_base = @ptrToInt(&self.entries[stream.pos]),
+            .pc_rel_base = @intFromPtr(&self.entries[stream.pos]),
             .follow_indirect = true,
             .data_rel_base = eh_frame_hdr_ptr,
         }, builtin.cpu.arch.endian()) orelse return badDwarf();
 
         const fde_ptr = math.cast(usize, try readEhPointer(reader, self.table_enc, @sizeOf(usize), .{
-            .pc_rel_base = @ptrToInt(&self.entries[stream.pos]),
+            .pc_rel_base = @intFromPtr(&self.entries[stream.pos]),
             .follow_indirect = true,
             .data_rel_base = eh_frame_hdr_ptr,
         }, builtin.cpu.arch.endian()) orelse return badDwarf()) orelse return badDwarf();
@@ -1872,20 +1872,20 @@ pub const ExceptionFrameHeader = struct {
 
         // The length of the .eh_frame section is unknown at this point, since .eh_frame_hdr only provides the start
         if (!isValidMemory(fde_ptr) or fde_ptr < self.eh_frame_ptr) return badDwarf();
-        const eh_frame = @intToPtr([*]const u8, self.eh_frame_ptr)[0..math.maxInt(usize)];
+        const eh_frame = @ptrFromInt([*]const u8, self.eh_frame_ptr)[0..math.maxInt(usize)];
         const fde_offset = fde_ptr - self.eh_frame_ptr;
 
         var eh_frame_stream = io.fixedBufferStream(eh_frame);
         try eh_frame_stream.seekTo(fde_offset);
 
         const fde_entry_header = try EntryHeader.read(&eh_frame_stream, builtin.cpu.arch.endian());
-        if (!isValidMemory(@ptrToInt(&fde_entry_header.entry_bytes[fde_entry_header.entry_bytes.len - 1]))) return badDwarf();
+        if (!isValidMemory(@intFromPtr(&fde_entry_header.entry_bytes[fde_entry_header.entry_bytes.len - 1]))) return badDwarf();
         if (fde_entry_header.type != .fde) return badDwarf();
 
         const cie_offset = fde_entry_header.type.fde;
         try eh_frame_stream.seekTo(cie_offset);
         const cie_entry_header = try EntryHeader.read(&eh_frame_stream, builtin.cpu.arch.endian());
-        if (!isValidMemory(@ptrToInt(&cie_entry_header.entry_bytes[cie_entry_header.entry_bytes.len - 1]))) return badDwarf();
+        if (!isValidMemory(@intFromPtr(&cie_entry_header.entry_bytes[cie_entry_header.entry_bytes.len - 1]))) return badDwarf();
         if (cie_entry_header.type != .cie) return badDwarf();
 
         cie.* = try CommonInformationEntry.parse(
@@ -2083,7 +2083,7 @@ pub const CommonInformationEntry = struct {
                             personality_enc.?,
                             addr_size_bytes,
                             .{
-                                .pc_rel_base = try pcRelBase(@ptrToInt(&cie_bytes[stream.pos]), pc_rel_offset),
+                                .pc_rel_base = try pcRelBase(@intFromPtr(&cie_bytes[stream.pos]), pc_rel_offset),
                                 .follow_indirect = is_runtime,
                             },
                             endian,
@@ -2161,7 +2161,7 @@ pub const FrameDescriptionEntry = struct {
             cie.fde_pointer_enc,
             addr_size_bytes,
             .{
-                .pc_rel_base = try pcRelBase(@ptrToInt(&fde_bytes[stream.pos]), pc_rel_offset),
+                .pc_rel_base = try pcRelBase(@intFromPtr(&fde_bytes[stream.pos]), pc_rel_offset),
                 .follow_indirect = is_runtime,
             },
             endian,
@@ -2190,7 +2190,7 @@ pub const FrameDescriptionEntry = struct {
                     cie.lsda_pointer_enc,
                     addr_size_bytes,
                     .{
-                        .pc_rel_base = try pcRelBase(@ptrToInt(&fde_bytes[stream.pos]), pc_rel_offset),
+                        .pc_rel_base = try pcRelBase(@intFromPtr(&fde_bytes[stream.pos]), pc_rel_offset),
                         .follow_indirect = is_runtime,
                     },
                     endian,