Intel® Fortran Compiler 17.0 Developer Guide and Reference
Enables or disables generation of debugging information.
Linux and macOS: | -debug [keyword] |
Windows: | None |
keyword |
Is the type of debugging information to be generated. Possible values are:
|
For information on the non-default settings for these keywords, see the Description section.
varies |
Normally, the default is -debug none and no debugging information is generated. However, on Linux*, the -debug inline-debug-info option will be enabled by default if you compile with optimizations (option -O2 or higher) and debugging is enabled (option -g). |
This option enables or disables generation of debugging information.
By default, enabling debugging, will disable optimization. To enable both debugging and optimization use the -debug option together with one of the optimization level options (-O3, -O2 or -O3).
Keywords semantic-stepping, inline-debug-info, variable-locations, and extended can be used in combination with each other. If conflicting keywords are used in combination, the last one specified on the command line has precedence.
Option |
Description |
|---|---|
-debug none |
Disables generation of debugging information. |
-debug full or -debug all |
Generates complete debugging information. It is the same as specifying -debug with no keyword. |
-debug minimal |
Generates line number information for debugging. |
-debug emit_column |
Generates column number information for debugging. |
-debug inline-debug-info |
Generates enhanced debug information for inlined code. On inlined functions, symbols are (by default) associated with the caller. This option causes symbols for inlined functions to be associated with the source of the called function. |
-debug pubnames |
The compiler generates a DWARF debug_pubnames section. This provides a means to list the names of global objects and functions in a compilation unit. |
-debug semantic-stepping |
Generates enhanced debug information useful for breakpoints and stepping. It tells the debugger to stop only at machine instructions that achieve the final effect of a source statement. For example, in the case of an assignment statement, this might be a store instruction that assigns a value to a program variable; for a function call, it might be the machine instruction that executes the call. Other instructions generated for those source statements are not displayed during stepping. This option has no impact unless optimizations have also been enabled. |
-debug variable-locations |
Generates enhanced debug information useful in finding scalar local variables. It uses a feature of the Dwarf object module known as "location lists". This feature allows the run-time locations of local scalar variables to be specified more accurately; that is, whether, at a given position in the code, a variable value is found in memory or a machine register. |
-debug extended |
Sets keyword values semantic-stepping and variable-locations. It also tells the compiler to include column numbers in the line information. Generates complete debugging information and also sets keyword values semantic-stepping and variable-locations. This is a more powerful setting than -debug full or -debug all. |
-debug parallel |
Generates parallel debug code instrumentations needed for the thread data sharing and reentrant call detection. For this setting to be effective, option -qopenmp must be set. |
On Linux* systems, debuggers read debug information from executable images. As a result, information is written to object files and then added to the executable by the linker.
On OS X* systems, debuggers read debug information from object files. As a result, the executables don't contain any debug information. Therefore, if you want to be able to debug on these systems, you must retain the object files.
For -debug full, -debug all, or -debug |
Linux and OS X: -g Windows: /debug:full, /debug:all, or /debug |
For -debug variable-locations |
Linux and OS X: -fvar-tracking Windows: None |
For -debug semantic-stepping |
Linux and OS X: -fvar-tracking-assignments Windows: None |