47 lines
1.6 KiB
Diff
47 lines
1.6 KiB
Diff
commit e23c71330c3b332d19fdf9e48ca8b03680d9ad34
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Author: Mark Wielaard <mark@klomp.org>
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Date: Thu Nov 2 16:23:24 2017 +0100
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readelf: Handle DW_OP_GNU_variable_value.
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Also format both DW_OP_call_ref and DW_OP_GNU_variable_value argument
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as a normal DIE reference.
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Signed-off-by: Mark Wielaard <mark@klomp.org>
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diff --git a/libdw/dwarf.h b/libdw/dwarf.h
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index 902d261..8edf719 100644
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--- a/libdw/dwarf.h
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+++ b/libdw/dwarf.h
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@@ -545,6 +545,7 @@ enum
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DW_OP_GNU_convert = 0xf7,
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DW_OP_GNU_reinterpret = 0xf9,
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DW_OP_GNU_parameter_ref = 0xfa,
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+ DW_OP_GNU_variable_value = 0xfd,
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DW_OP_lo_user = 0xe0, /* Implementation-defined range start. */
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DW_OP_hi_user = 0xff /* Implementation-defined range end. */
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diff --git a/src/readelf.c b/src/readelf.c
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index 5e2f3fc..833884b 100644
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--- a/src/readelf.c
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+++ b/src/readelf.c
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@@ -4160,6 +4160,7 @@ print_ops (Dwfl_Module *dwflmod, Dwarf *dbg, int indent, int indentrest,
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break;
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case DW_OP_call_ref:
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+ case DW_OP_GNU_variable_value:
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/* Offset operand. */
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if (ref_size != 4 && ref_size != 8)
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goto invalid; /* Cannot be used in CFA. */
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@@ -4170,8 +4171,8 @@ print_ops (Dwfl_Module *dwflmod, Dwarf *dbg, int indent, int indentrest,
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addr = read_8ubyte_unaligned (dbg, data);
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data += ref_size;
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CONSUME (ref_size);
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-
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- printf ("%*s[%4" PRIuMAX "] %s %#" PRIxMAX "\n",
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+ /* addr is a DIE offset, so format it as one. */
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+ printf ("%*s[%4" PRIuMAX "] %s [%6" PRIxMAX "]\n",
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indent, "", (uintmax_t) offset,
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op_name, (uintmax_t) addr);
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offset += 1 + ref_size;
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