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- How to let GDB not warn xxx has unknown return type; cast . . .
In a cooperative project I notice that running some commands such as call malloc (sizeof (std::string)) my GDB warns 'malloc' has unknown return type; cast the call to its declared return type and
- GDB Tips and Tricks #6: Examining Data Types - ShaneKirk. com
After we compile, launch gdb, and step into main, let’s ask gdb to tell us the types of the variables a, b, and c
- Type Checking (Debugging with GDB) - sourceware. org
For the expressions you use in GDB commands, you can tell GDB to not enforce strict type checking or to treat any mismatches as errors and abandon the expression; When type checking is disabled, GDB successfully evaluates expressions like the second example above
- NASM DWARF Debugging Issue with gdb - Ask Ubuntu
I'm encountering an issue while debugging NASM assembly code using gdb The error message I receive is: (gdb) print num 'num' has unknown type; cast it to its
- Bug #2059856 “ [SRU] gdb 10. 0 fails to examine any global . . .
To reproduce the bug, set the breakpoint to t d:10 and examine the `i` global variable (using `p t i`) GDB will then complain that "'t i' has unknown type; cast it to its declared type " I found a workaround to this problem by using `p (uv*)_D1t1iCQf2uv`, but obviously, this is non-ideal: the developer may not know the mangled variable name
- GDB shows error message when trying to print a variable in an . . .
Older GDB used to default to assuming that a symbol was an int when it didn't have debug info describing the size type This generally caused more confusion than the current behaviour, so it was changed
- Debugging with GDB - Symbol Errors - GNU
GDB circumvents the problem by considering the symbol to have the name foo, which may cause other problems if many symbols end up with this name unknown symbol type 0xnn The symbol information contains new data types that GDB does not yet know how to read 0xnn is the symbol type of the uncomprehended information, in hexadecimal
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