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Diffstat (limited to 'gdb/doc/gdb.texinfo')
| -rw-r--r-- | gdb/doc/gdb.texinfo | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index 178ef68..37278c8 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -29979,6 +29979,31 @@ that symbol is described. The type chain produced by this command is a recursive definition of the data type as stored in @value{GDBN}'s data structures, including its flags and contained types. +@kindex maint set dwarf2 always-disassemble +@kindex maint show dwarf2 always-disassemble +@item maint set dwarf2 always-disassemble +@item maint show dwarf2 always-disassemble +Control the behavior of @code{info address} when using DWARF debugging +information. + +The default is @code{off}, which means that @value{GDBN} should try to +describe a variable's location in an easily readable format. When +@code{on}, @value{GDBN} will instead display the DWARF location +expression in an assembly-like format. Note that some locations are +too complex for @value{GDBN} to describe simply; in this case you will +always see the disassembly form. + +Here is an example of the resulting disassembly: + +@smallexample +(gdb) info addr argc +Symbol "argc" is a complex DWARF expression: + 1: DW_OP_fbreg 0 +@end smallexample + +For more information on these expressions, see +@uref{http://www.dwarfstd.org/, the DWARF standard}. + @kindex maint set dwarf2 max-cache-age @kindex maint show dwarf2 max-cache-age @item maint set dwarf2 max-cache-age |