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https://github.com/ziglang/zig.git
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std.debug.Dwarf.expression: partial rework
- use labeled continue - avoid anytype - avoid dependency on a "seeking" API - simpler, more optimal VM interpreter loop - progress decoupling from host machine - type safety for opcodes. see #15556
This commit is contained in:
Andrew Kelley
parent
4512f27784
commit
4607770a57
File diff suppressed because it is too large
Load Diff
@ -6,7 +6,226 @@
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pub const TAG = @import("dwarf/TAG.zig");
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pub const AT = @import("dwarf/AT.zig");
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pub const OP = @import("dwarf/OP.zig");
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pub const OP = enum(u8) {
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addr = 0x03,
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deref = 0x06,
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const1u = 0x08,
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const1s = 0x09,
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const2u = 0x0a,
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const2s = 0x0b,
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const4u = 0x0c,
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const4s = 0x0d,
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const8u = 0x0e,
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const8s = 0x0f,
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constu = 0x10,
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consts = 0x11,
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dup = 0x12,
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drop = 0x13,
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over = 0x14,
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pick = 0x15,
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swap = 0x16,
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rot = 0x17,
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xderef = 0x18,
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abs = 0x19,
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@"and" = 0x1a,
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div = 0x1b,
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minus = 0x1c,
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mod = 0x1d,
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mul = 0x1e,
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neg = 0x1f,
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not = 0x20,
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@"or" = 0x21,
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plus = 0x22,
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plus_uconst = 0x23,
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shl = 0x24,
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shr = 0x25,
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shra = 0x26,
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xor = 0x27,
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bra = 0x28,
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eq = 0x29,
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ge = 0x2a,
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gt = 0x2b,
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le = 0x2c,
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lt = 0x2d,
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ne = 0x2e,
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skip = 0x2f,
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lit0 = 0x30,
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lit1 = 0x31,
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lit2 = 0x32,
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lit3 = 0x33,
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lit4 = 0x34,
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lit5 = 0x35,
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lit6 = 0x36,
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lit7 = 0x37,
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lit8 = 0x38,
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lit9 = 0x39,
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lit10 = 0x3a,
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lit11 = 0x3b,
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lit12 = 0x3c,
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lit13 = 0x3d,
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lit14 = 0x3e,
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lit15 = 0x3f,
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lit16 = 0x40,
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lit17 = 0x41,
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lit18 = 0x42,
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lit19 = 0x43,
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lit20 = 0x44,
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lit21 = 0x45,
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lit22 = 0x46,
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lit23 = 0x47,
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lit24 = 0x48,
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lit25 = 0x49,
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lit26 = 0x4a,
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lit27 = 0x4b,
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lit28 = 0x4c,
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lit29 = 0x4d,
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lit30 = 0x4e,
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lit31 = 0x4f,
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reg0 = 0x50,
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reg1 = 0x51,
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reg2 = 0x52,
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reg3 = 0x53,
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reg4 = 0x54,
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reg5 = 0x55,
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reg6 = 0x56,
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reg7 = 0x57,
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reg8 = 0x58,
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reg9 = 0x59,
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reg10 = 0x5a,
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reg11 = 0x5b,
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reg12 = 0x5c,
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reg13 = 0x5d,
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reg14 = 0x5e,
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reg15 = 0x5f,
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reg16 = 0x60,
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reg17 = 0x61,
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reg18 = 0x62,
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reg19 = 0x63,
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reg20 = 0x64,
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reg21 = 0x65,
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reg22 = 0x66,
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reg23 = 0x67,
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reg24 = 0x68,
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reg25 = 0x69,
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reg26 = 0x6a,
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reg27 = 0x6b,
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reg28 = 0x6c,
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reg29 = 0x6d,
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reg30 = 0x6e,
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reg31 = 0x6f,
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breg0 = 0x70,
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breg1 = 0x71,
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breg2 = 0x72,
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breg3 = 0x73,
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breg4 = 0x74,
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breg5 = 0x75,
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breg6 = 0x76,
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breg7 = 0x77,
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breg8 = 0x78,
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breg9 = 0x79,
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breg10 = 0x7a,
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breg11 = 0x7b,
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breg12 = 0x7c,
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breg13 = 0x7d,
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breg14 = 0x7e,
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breg15 = 0x7f,
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breg16 = 0x80,
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breg17 = 0x81,
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breg18 = 0x82,
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breg19 = 0x83,
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breg20 = 0x84,
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breg21 = 0x85,
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breg22 = 0x86,
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breg23 = 0x87,
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breg24 = 0x88,
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breg25 = 0x89,
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breg26 = 0x8a,
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breg27 = 0x8b,
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breg28 = 0x8c,
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breg29 = 0x8d,
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breg30 = 0x8e,
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breg31 = 0x8f,
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regx = 0x90,
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fbreg = 0x91,
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bregx = 0x92,
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piece = 0x93,
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deref_size = 0x94,
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xderef_size = 0x95,
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nop = 0x96,
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// DWARF 3 extensions.
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push_object_address = 0x97,
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call2 = 0x98,
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call4 = 0x99,
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call_ref = 0x9a,
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form_tls_address = 0x9b,
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call_frame_cfa = 0x9c,
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bit_piece = 0x9d,
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// DWARF 4 extensions.
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implicit_value = 0x9e,
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stack_value = 0x9f,
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// DWARF 5 extensions.
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implicit_pointer = 0xa0,
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addrx = 0xa1,
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constx = 0xa2,
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entry_value = 0xa3,
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const_type = 0xa4,
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regval_type = 0xa5,
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deref_type = 0xa6,
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xderef_type = 0xa7,
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convert = 0xa8,
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reinterpret = 0xa9,
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// GNU extensions.
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GNU_push_tls_address = 0xe0,
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/// The following is for marking variables that are uninitialized.
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GNU_uninit = 0xf0,
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GNU_encoded_addr = 0xf1,
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/// The GNU implicit pointer extension.
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/// See http://www.dwarfstd.org/ShowIssue.php?issue=100831.1&type=open .
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GNU_implicit_pointer = 0xf2,
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/// The GNU entry value extension.
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/// See http://www.dwarfstd.org/ShowIssue.php?issue=100909.1&type=open .
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GNU_entry_value = 0xf3,
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/// The GNU typed stack extension.
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/// See http://www.dwarfstd.org/doc/040408.1.html .
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GNU_const_type = 0xf4,
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GNU_regval_type = 0xf5,
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GNU_deref_type = 0xf6,
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GNU_convert = 0xf7,
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GNU_reinterpret = 0xf9,
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/// The GNU parameter ref extension.
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GNU_parameter_ref = 0xfa,
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/// Extension for Fission. See http://gcc.gnu.org/wiki/DebugFission.
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GNU_addr_index = 0xfb,
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GNU_const_index = 0xfc,
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// HP extensions.
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HP_is_value = 0xe1,
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HP_fltconst4 = 0xe2,
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HP_fltconst8 = 0xe3,
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HP_mod_range = 0xe4,
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HP_unmod_range = 0xe5,
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HP_tls = 0xe6,
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// PGI (STMicroelectronics) extensions.
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PGI_omp_thread_num = 0xf8,
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// Wasm extensions.
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WASM_location = 0xed,
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WASM_local = 0x00,
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WASM_global = 0x01,
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WASM_operand_stack = 0x02,
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_,
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/// Implementation-defined range start.
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pub const lo_user: OP = @enumFromInt(0xe0);
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/// Implementation-defined range end.
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pub const hi_user: OP = @enumFromInt(0xff);
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pub const HP_unknown: OP = @enumFromInt(0xe0);
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pub const WASM_global_u32: OP = @enumFromInt(0x03);
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};
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pub const LANG = @import("dwarf/LANG.zig");
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pub const FORM = @import("dwarf/FORM.zig");
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pub const ATE = @import("dwarf/ATE.zig");
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@ -1,213 +0,0 @@
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pub const addr = 0x03;
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pub const deref = 0x06;
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pub const const1u = 0x08;
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pub const const1s = 0x09;
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pub const const2u = 0x0a;
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pub const const2s = 0x0b;
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pub const const4u = 0x0c;
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pub const const4s = 0x0d;
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pub const const8u = 0x0e;
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pub const const8s = 0x0f;
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pub const constu = 0x10;
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pub const consts = 0x11;
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pub const dup = 0x12;
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pub const drop = 0x13;
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pub const over = 0x14;
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pub const pick = 0x15;
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pub const swap = 0x16;
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pub const rot = 0x17;
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pub const xderef = 0x18;
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pub const abs = 0x19;
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pub const @"and" = 0x1a;
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pub const div = 0x1b;
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pub const minus = 0x1c;
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pub const mod = 0x1d;
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pub const mul = 0x1e;
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pub const neg = 0x1f;
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pub const not = 0x20;
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pub const @"or" = 0x21;
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pub const plus = 0x22;
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pub const plus_uconst = 0x23;
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pub const shl = 0x24;
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pub const shr = 0x25;
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pub const shra = 0x26;
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pub const xor = 0x27;
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pub const bra = 0x28;
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pub const eq = 0x29;
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pub const ge = 0x2a;
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pub const gt = 0x2b;
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pub const le = 0x2c;
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pub const lt = 0x2d;
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pub const ne = 0x2e;
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pub const skip = 0x2f;
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pub const lit0 = 0x30;
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pub const lit1 = 0x31;
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pub const lit2 = 0x32;
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pub const lit3 = 0x33;
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pub const lit4 = 0x34;
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pub const lit5 = 0x35;
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pub const lit6 = 0x36;
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pub const lit7 = 0x37;
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pub const lit8 = 0x38;
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pub const lit9 = 0x39;
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pub const lit10 = 0x3a;
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pub const lit11 = 0x3b;
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pub const lit12 = 0x3c;
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pub const lit13 = 0x3d;
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pub const lit14 = 0x3e;
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pub const lit15 = 0x3f;
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pub const lit16 = 0x40;
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pub const lit17 = 0x41;
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pub const lit18 = 0x42;
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pub const lit19 = 0x43;
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pub const lit20 = 0x44;
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pub const lit21 = 0x45;
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pub const lit22 = 0x46;
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pub const lit23 = 0x47;
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pub const lit24 = 0x48;
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pub const lit25 = 0x49;
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pub const lit26 = 0x4a;
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pub const lit27 = 0x4b;
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pub const lit28 = 0x4c;
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pub const lit29 = 0x4d;
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pub const lit30 = 0x4e;
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pub const lit31 = 0x4f;
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pub const reg0 = 0x50;
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pub const reg1 = 0x51;
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pub const reg2 = 0x52;
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pub const reg3 = 0x53;
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pub const reg4 = 0x54;
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pub const reg5 = 0x55;
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pub const reg6 = 0x56;
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pub const reg7 = 0x57;
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pub const reg8 = 0x58;
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pub const reg9 = 0x59;
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pub const reg10 = 0x5a;
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pub const reg11 = 0x5b;
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pub const reg12 = 0x5c;
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pub const reg13 = 0x5d;
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pub const reg14 = 0x5e;
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pub const reg15 = 0x5f;
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pub const reg16 = 0x60;
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pub const reg17 = 0x61;
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pub const reg18 = 0x62;
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pub const reg19 = 0x63;
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pub const reg20 = 0x64;
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pub const reg21 = 0x65;
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pub const reg22 = 0x66;
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pub const reg23 = 0x67;
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pub const reg24 = 0x68;
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pub const reg25 = 0x69;
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pub const reg26 = 0x6a;
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pub const reg27 = 0x6b;
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pub const reg28 = 0x6c;
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pub const reg29 = 0x6d;
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pub const reg30 = 0x6e;
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pub const reg31 = 0x6f;
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pub const breg0 = 0x70;
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pub const breg1 = 0x71;
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pub const breg2 = 0x72;
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pub const breg3 = 0x73;
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pub const breg4 = 0x74;
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pub const breg5 = 0x75;
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pub const breg6 = 0x76;
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pub const breg7 = 0x77;
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pub const breg8 = 0x78;
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pub const breg9 = 0x79;
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pub const breg10 = 0x7a;
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pub const breg11 = 0x7b;
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pub const breg12 = 0x7c;
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pub const breg13 = 0x7d;
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pub const breg14 = 0x7e;
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pub const breg15 = 0x7f;
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pub const breg16 = 0x80;
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pub const breg17 = 0x81;
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pub const breg18 = 0x82;
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pub const breg19 = 0x83;
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pub const breg20 = 0x84;
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pub const breg21 = 0x85;
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pub const breg22 = 0x86;
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pub const breg23 = 0x87;
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pub const breg24 = 0x88;
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pub const breg25 = 0x89;
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pub const breg26 = 0x8a;
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pub const breg27 = 0x8b;
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pub const breg28 = 0x8c;
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pub const breg29 = 0x8d;
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pub const breg30 = 0x8e;
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pub const breg31 = 0x8f;
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pub const regx = 0x90;
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pub const fbreg = 0x91;
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pub const bregx = 0x92;
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pub const piece = 0x93;
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pub const deref_size = 0x94;
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pub const xderef_size = 0x95;
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pub const nop = 0x96;
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// DWARF 3 extensions.
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pub const push_object_address = 0x97;
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pub const call2 = 0x98;
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pub const call4 = 0x99;
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pub const call_ref = 0x9a;
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pub const form_tls_address = 0x9b;
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pub const call_frame_cfa = 0x9c;
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pub const bit_piece = 0x9d;
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// DWARF 4 extensions.
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pub const implicit_value = 0x9e;
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pub const stack_value = 0x9f;
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// DWARF 5 extensions.
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pub const implicit_pointer = 0xa0;
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pub const addrx = 0xa1;
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pub const constx = 0xa2;
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pub const entry_value = 0xa3;
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pub const const_type = 0xa4;
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pub const regval_type = 0xa5;
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pub const deref_type = 0xa6;
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pub const xderef_type = 0xa7;
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pub const convert = 0xa8;
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pub const reinterpret = 0xa9;
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pub const lo_user = 0xe0; // Implementation-defined range start.
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pub const hi_user = 0xff; // Implementation-defined range end.
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// GNU extensions.
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pub const GNU_push_tls_address = 0xe0;
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// The following is for marking variables that are uninitialized.
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pub const GNU_uninit = 0xf0;
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pub const GNU_encoded_addr = 0xf1;
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// The GNU implicit pointer extension.
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// See http://www.dwarfstd.org/ShowIssue.php?issue=100831.1&type=open .
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pub const GNU_implicit_pointer = 0xf2;
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// The GNU entry value extension.
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// See http://www.dwarfstd.org/ShowIssue.php?issue=100909.1&type=open .
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pub const GNU_entry_value = 0xf3;
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// The GNU typed stack extension.
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// See http://www.dwarfstd.org/doc/040408.1.html .
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pub const GNU_const_type = 0xf4;
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pub const GNU_regval_type = 0xf5;
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pub const GNU_deref_type = 0xf6;
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pub const GNU_convert = 0xf7;
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pub const GNU_reinterpret = 0xf9;
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// The GNU parameter ref extension.
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pub const GNU_parameter_ref = 0xfa;
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// Extension for Fission. See http://gcc.gnu.org/wiki/DebugFission.
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pub const GNU_addr_index = 0xfb;
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pub const GNU_const_index = 0xfc;
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// HP extensions.
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pub const HP_unknown = 0xe0; // Ouch, the same as GNU_push_tls_address.
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pub const HP_is_value = 0xe1;
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pub const HP_fltconst4 = 0xe2;
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pub const HP_fltconst8 = 0xe3;
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pub const HP_mod_range = 0xe4;
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pub const HP_unmod_range = 0xe5;
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pub const HP_tls = 0xe6;
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// PGI (STMicroelectronics) extensions.
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pub const PGI_omp_thread_num = 0xf8;
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// Wasm extensions.
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pub const WASM_location = 0xed;
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pub const WASM_local = 0x00;
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pub const WASM_global = 0x01;
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pub const WASM_global_u32 = 0x03;
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pub const WASM_operand_stack = 0x02;
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