Apply upstream D97721
This commit is contained in:
serge-sans-paille
parent
17dae9e2ea
commit
25187bd8f5
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@ -0,0 +1,328 @@
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diff --git lldb-a/source/Plugins/SymbolFile/DWARF/DWARFDebugInfoEntry.cpp lldb-b/source/Plugins/SymbolFile/DWARF/DWARFDebugInfoEntry.cpp
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--- lldb-a/source/Plugins/SymbolFile/DWARF/DWARFDebugInfoEntry.cpp
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+++ lldb-b/source/Plugins/SymbolFile/DWARF/DWARFDebugInfoEntry.cpp
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@@ -173,6 +173,7 @@
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break;
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case DW_FORM_strp:
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+ case DW_FORM_line_strp:
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case DW_FORM_sec_offset:
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data.GetU32(&offset);
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break;
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diff --git lldb-a/source/Plugins/SymbolFile/DWARF/DWARFFormValue.cpp lldb-b/source/Plugins/SymbolFile/DWARF/DWARFFormValue.cpp
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--- lldb-a/source/Plugins/SymbolFile/DWARF/DWARFFormValue.cpp
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+++ lldb-b/source/Plugins/SymbolFile/DWARF/DWARFFormValue.cpp
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@@ -150,40 +150,40 @@
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uint8_t valid:1, size:7;
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};
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static FormSize g_form_sizes[] = {
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- {0,0}, // 0x00 unused
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- {0,0}, // 0x01 DW_FORM_addr
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- {0,0}, // 0x02 unused
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- {0,0}, // 0x03 DW_FORM_block2
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- {0,0}, // 0x04 DW_FORM_block4
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- {1,2}, // 0x05 DW_FORM_data2
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- {1,4}, // 0x06 DW_FORM_data4
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- {1,8}, // 0x07 DW_FORM_data8
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- {0,0}, // 0x08 DW_FORM_string
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- {0,0}, // 0x09 DW_FORM_block
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- {0,0}, // 0x0a DW_FORM_block1
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- {1,1}, // 0x0b DW_FORM_data1
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- {1,1}, // 0x0c DW_FORM_flag
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- {0,0}, // 0x0d DW_FORM_sdata
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- {1,4}, // 0x0e DW_FORM_strp
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- {0,0}, // 0x0f DW_FORM_udata
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- {0,0}, // 0x10 DW_FORM_ref_addr (addr size for DWARF2 and earlier, 4 bytes for
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- // DWARF32, 8 bytes for DWARF32 in DWARF 3 and later
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- {1,1}, // 0x11 DW_FORM_ref1
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- {1,2}, // 0x12 DW_FORM_ref2
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- {1,4}, // 0x13 DW_FORM_ref4
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- {1,8}, // 0x14 DW_FORM_ref8
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- {0,0}, // 0x15 DW_FORM_ref_udata
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- {0,0}, // 0x16 DW_FORM_indirect
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- {1,4}, // 0x17 DW_FORM_sec_offset
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- {0,0}, // 0x18 DW_FORM_exprloc
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- {1,0}, // 0x19 DW_FORM_flag_present
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- {0,0}, // 0x1a
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- {0,0}, // 0x1b
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- {0,0}, // 0x1c
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- {0,0}, // 0x1d
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- {0,0}, // 0x1e
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- {0,0}, // 0x1f
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- {1,8}, // 0x20 DW_FORM_ref_sig8
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+ {0, 0}, // 0x00 unused
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+ {0, 0}, // 0x01 DW_FORM_addr
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+ {0, 0}, // 0x02 unused
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+ {0, 0}, // 0x03 DW_FORM_block2
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+ {0, 0}, // 0x04 DW_FORM_block4
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+ {1, 2}, // 0x05 DW_FORM_data2
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+ {1, 4}, // 0x06 DW_FORM_data4
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+ {1, 8}, // 0x07 DW_FORM_data8
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+ {0, 0}, // 0x08 DW_FORM_string
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+ {0, 0}, // 0x09 DW_FORM_block
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+ {0, 0}, // 0x0a DW_FORM_block1
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+ {1, 1}, // 0x0b DW_FORM_data1
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+ {1, 1}, // 0x0c DW_FORM_flag
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+ {0, 0}, // 0x0d DW_FORM_sdata
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+ {1, 4}, // 0x0e DW_FORM_strp
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+ {0, 0}, // 0x0f DW_FORM_udata
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+ {0, 0}, // 0x10 DW_FORM_ref_addr (addr size for DWARF2 and earlier, 4 bytes
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+ // for DWARF32, 8 bytes for DWARF32 in DWARF 3 and later
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+ {1, 1}, // 0x11 DW_FORM_ref1
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+ {1, 2}, // 0x12 DW_FORM_ref2
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+ {1, 4}, // 0x13 DW_FORM_ref4
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+ {1, 8}, // 0x14 DW_FORM_ref8
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+ {0, 0}, // 0x15 DW_FORM_ref_udata
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+ {0, 0}, // 0x16 DW_FORM_indirect
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+ {1, 4}, // 0x17 DW_FORM_sec_offset
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+ {0, 0}, // 0x18 DW_FORM_exprloc
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+ {1, 0}, // 0x19 DW_FORM_flag_present
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+ {0, 0}, // 0x1a DW_FORM_strx (ULEB128)
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+ {0, 0}, // 0x1b DW_FORM_addrx (ULEB128)
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+ {1, 4}, // 0x1c DW_FORM_ref_sup4
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+ {0, 0}, // 0x1d DW_FORM_strp_sup (4 bytes for DWARF32, 8 bytes for DWARF64)
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+ {1, 16}, // 0x1e DW_FORM_data16
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+ {1, 4}, // 0x1f DW_FORM_line_strp
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+ {1, 8}, // 0x20 DW_FORM_ref_sig8
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};
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llvm::Optional<uint8_t>
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@@ -286,6 +286,7 @@
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// 32 bit for DWARF 32, 64 for DWARF 64
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case DW_FORM_sec_offset:
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case DW_FORM_strp:
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+ case DW_FORM_line_strp:
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*offset_ptr += 4;
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return true;
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@@ -398,7 +399,8 @@
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case DW_FORM_udata:
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s.PutULEB128(uvalue);
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break;
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- case DW_FORM_strp: {
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+ case DW_FORM_strp:
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+ case DW_FORM_line_strp: {
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const char *dbg_str = AsCString();
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if (dbg_str) {
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s.QuotedCString(dbg_str);
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@@ -606,6 +608,7 @@
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case DW_FORM_flag:
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case DW_FORM_sdata:
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case DW_FORM_strp:
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+ case DW_FORM_line_strp:
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case DW_FORM_strx:
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case DW_FORM_strx1:
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case DW_FORM_strx2:
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diff --git lldb-a/test/Shell/SymbolFile/DWARF/dwarf5-line-strp.s lldb-b/test/Shell/SymbolFile/DWARF/dwarf5-line-strp.s
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new file mode 100755
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--- /dev/null
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+++ lldb-b/test/Shell/SymbolFile/DWARF/dwarf5-line-strp.s
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@@ -0,0 +1,207 @@
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+# Test handling of DWARF5 DW_FORM_line_strp from .debug_info as used by GCC.
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+
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+# REQUIRES: x86
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+
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+# RUN: llvm-mc -filetype=obj -o %t -triple x86_64-pc-linux %s
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+# RUN: %lldb %t -o "p main" \
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+# RUN: -o exit | FileCheck %s
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+
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+# CHECK: (int (*)()) $0 = 0x0000000000000000
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+
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+ .text
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+.Ltext0:
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+ .globl main
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+ .type main, @function
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+main:
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+.LFB0:
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+.LM1:
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+ .long 0
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+.LM2:
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+ .long 0
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+.LFE0:
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+ .size main, .-main
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+.Letext0:
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+ .section .debug_info,"",@progbits
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+.Ldebug_info0:
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+ .long 0x50 # Length of Compilation Unit Info
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+ .value 0x5 # DWARF version number
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+ .byte 0x1 # DW_UT_compile
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+ .byte 0x8 # Pointer Size (in bytes)
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+ .long .Ldebug_abbrev0 # Offset Into Abbrev. Section
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+ .uleb128 0x1 # (DIE (0xc) DW_TAG_compile_unit)
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+ .long .LASF2 # DW_AT_producer: "GNU C17 11.0.0 20210210 (Red Hat 11.0.0-0) -mtune=generic -march=x86-64 -gdwarf-5 -gno-as-loc-support"
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+ .byte 0x1d # DW_AT_language
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+ .long .LASF0 # DW_AT_name: "main.c"
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+ .long .LASF1 # DW_AT_comp_dir: ""
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+ .quad .Ltext0 # DW_AT_low_pc
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+ .quad .Letext0-.Ltext0 # DW_AT_high_pc
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+ .long .Ldebug_line0 # DW_AT_stmt_list
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+ .uleb128 0x2 # (DIE (0x2e) DW_TAG_subprogram)
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+ # DW_AT_external
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+ .long .LASF3 # DW_AT_name: "main"
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+ .byte 0x1 # DW_AT_decl_file (main.c)
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+ .byte 0x1 # DW_AT_decl_line
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+ .byte 0x5 # DW_AT_decl_column
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+ .long 0x4c # DW_AT_type
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+ .quad .LFB0 # DW_AT_low_pc
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+ .quad .LFE0-.LFB0 # DW_AT_high_pc
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+ .uleb128 0x1 # DW_AT_frame_base
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+ .byte 0x9c # DW_OP_call_frame_cfa
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+ # DW_AT_call_all_calls
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+ .uleb128 0x3 # (DIE (0x4c) DW_TAG_base_type)
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+ .byte 0x4 # DW_AT_byte_size
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+ .byte 0x5 # DW_AT_encoding
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+ .ascii "int\0" # DW_AT_name
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+ .byte 0 # end of children of DIE 0xc
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+ .section .debug_abbrev,"",@progbits
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+.Ldebug_abbrev0:
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+ .uleb128 0x1 # (abbrev code)
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+ .uleb128 0x11 # (TAG: DW_TAG_compile_unit)
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+ .byte 0x1 # DW_children_yes
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+ .uleb128 0x25 # (DW_AT_producer)
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+ .uleb128 0xe # (DW_FORM_strp)
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+ .uleb128 0x13 # (DW_AT_language)
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+ .uleb128 0xb # (DW_FORM_data1)
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+ .uleb128 0x3 # (DW_AT_name)
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+ .uleb128 0x1f # (DW_FORM_line_strp)
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+ .uleb128 0x1b # (DW_AT_comp_dir)
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+ .uleb128 0x1f # (DW_FORM_line_strp)
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+ .uleb128 0x11 # (DW_AT_low_pc)
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+ .uleb128 0x1 # (DW_FORM_addr)
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+ .uleb128 0x12 # (DW_AT_high_pc)
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+ .uleb128 0x7 # (DW_FORM_data8)
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+ .uleb128 0x10 # (DW_AT_stmt_list)
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+ .uleb128 0x17 # (DW_FORM_sec_offset)
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+ .byte 0
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+ .byte 0
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+ .uleb128 0x2 # (abbrev code)
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+ .uleb128 0x2e # (TAG: DW_TAG_subprogram)
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+ .byte 0 # DW_children_no
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+ .uleb128 0x3f # (DW_AT_external)
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+ .uleb128 0x19 # (DW_FORM_flag_present)
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+ .uleb128 0x3 # (DW_AT_name)
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+ .uleb128 0xe # (DW_FORM_strp)
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+ .uleb128 0x3a # (DW_AT_decl_file)
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+ .uleb128 0xb # (DW_FORM_data1)
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+ .uleb128 0x3b # (DW_AT_decl_line)
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+ .uleb128 0xb # (DW_FORM_data1)
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+ .uleb128 0x39 # (DW_AT_decl_column)
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+ .uleb128 0xb # (DW_FORM_data1)
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+ .uleb128 0x49 # (DW_AT_type)
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+ .uleb128 0x13 # (DW_FORM_ref4)
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+ .uleb128 0x11 # (DW_AT_low_pc)
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+ .uleb128 0x1 # (DW_FORM_addr)
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+ .uleb128 0x12 # (DW_AT_high_pc)
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+ .uleb128 0x7 # (DW_FORM_data8)
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+ .uleb128 0x40 # (DW_AT_frame_base)
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+ .uleb128 0x18 # (DW_FORM_exprloc)
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+ .uleb128 0x7a # (DW_AT_call_all_calls)
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+ .uleb128 0x19 # (DW_FORM_flag_present)
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+ .byte 0
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+ .byte 0
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+ .uleb128 0x3 # (abbrev code)
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+ .uleb128 0x24 # (TAG: DW_TAG_base_type)
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+ .byte 0 # DW_children_no
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+ .uleb128 0xb # (DW_AT_byte_size)
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+ .uleb128 0xb # (DW_FORM_data1)
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+ .uleb128 0x3e # (DW_AT_encoding)
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+ .uleb128 0xb # (DW_FORM_data1)
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+ .uleb128 0x3 # (DW_AT_name)
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+ .uleb128 0x8 # (DW_FORM_string)
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+ .byte 0
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+ .byte 0
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+ .byte 0
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+ .section .debug_aranges,"",@progbits
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+ .long 0x2c # Length of Address Ranges Info
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+ .value 0x2 # DWARF aranges version
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+ .long .Ldebug_info0 # Offset of Compilation Unit Info
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+ .byte 0x8 # Size of Address
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+ .byte 0 # Size of Segment Descriptor
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+ .value 0 # Pad to 16 byte boundary
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+ .value 0
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+ .quad .Ltext0 # Address
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+ .quad .Letext0-.Ltext0 # Length
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+ .quad 0
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+ .quad 0
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+ .section .debug_line,"",@progbits
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+.Ldebug_line0:
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+ .long .LELT0-.LSLT0 # Length of Source Line Info
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+.LSLT0:
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+ .value 0x5 # DWARF version number
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+ .byte 0x8 # Address Size
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+ .byte 0 # Segment Size
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+ .long .LELTP0-.LASLTP0 # Prolog Length
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+.LASLTP0:
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+ .byte 0x1 # Minimum Instruction Length
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+ .byte 0x1 # Maximum Operations Per Instruction
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+ .byte 0x1 # Default is_stmt_start flag
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+ .byte 0xf6 # Line Base Value (Special Opcodes)
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+ .byte 0xf2 # Line Range Value (Special Opcodes)
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+ .byte 0xd # Special Opcode Base
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+ .byte 0 # opcode: 0x1 has 0 args
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+ .byte 0x1 # opcode: 0x2 has 1 args
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+ .byte 0x1 # opcode: 0x3 has 1 args
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+ .byte 0x1 # opcode: 0x4 has 1 args
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+ .byte 0x1 # opcode: 0x5 has 1 args
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+ .byte 0 # opcode: 0x6 has 0 args
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+ .byte 0 # opcode: 0x7 has 0 args
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+ .byte 0 # opcode: 0x8 has 0 args
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+ .byte 0x1 # opcode: 0x9 has 1 args
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+ .byte 0 # opcode: 0xa has 0 args
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+ .byte 0 # opcode: 0xb has 0 args
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+ .byte 0x1 # opcode: 0xc has 1 args
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+ .byte 0x1 # Directory entry format count
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+ .uleb128 0x1 # DW_LNCT_path
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+ .uleb128 0x1f # DW_FORM_line_strp
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+ .uleb128 0x2 # Directories count
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+ .long .LASF1 # Directory Entry: 0: ""
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+ .long .LASF4 # Directory Entry: 0: ""
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+ .byte 0x2 # File name entry format count
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+ .uleb128 0x1 # DW_LNCT_path
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+ .uleb128 0x1f # DW_FORM_line_strp
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+ .uleb128 0x2 # DW_LNCT_directory_index
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+ .uleb128 0xb # DW_FORM_data1
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+ .uleb128 0x2 # File names count
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+ .long .LASF0 # File Entry: 0: "main.c"
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+ .byte 0
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+ .long .LASF5 # File Entry: 0: "main.c"
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+ .byte 0x1
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+.LELTP0:
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+ .byte 0 # set address *.LM1
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+ .uleb128 0x9
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+ .byte 0x2
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+ .quad .LM1
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+ .byte 0x1 # copy line 1
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+ .byte 0x5 # column 12
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+ .uleb128 0xc # 12
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+ .byte 0 # set address *.LM2
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+ .uleb128 0x9
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+ .byte 0x2
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+ .quad .LM2
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+ .byte 0x1 # copy line 1
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+ .byte 0x5 # column 13
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+ .uleb128 0xd # 13
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+ .byte 0 # set address *.Letext0
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+ .uleb128 0x9
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+ .byte 0x2
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+ .quad .Letext0
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+ .byte 0 # end sequence
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+ .uleb128 0x1
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+ .byte 0x1
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+.LELT0:
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+ .section .debug_str,"MS",@progbits,1
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+.LASF2:
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+ .string "GNU C17 11.0.0 20210210 (Red Hat 11.0.0-0) -mtune=generic -march=x86-64 -gdwarf-5 -gno-as-loc-support"
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+.LASF3:
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+ .string "main"
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+ .section .debug_line_str,"MS",@progbits,1
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+.LASF1:
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+ .string ""
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+.LASF4:
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+ .string ""
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+.LASF0:
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+ .string "main.c"
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+.LASF5:
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+ .string "main.c"
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+ .ident "GCC: (GNU) 11.0.0 20210210 (Red Hat 11.0.0-0)"
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+ .section .note.GNU-stack,"",@progbits
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