zephyr

118623 Commits

82 Branches

204 Tags

1.7 GiB

Tree: 697d0f845d

Commit Graph

Author	SHA1	Message	Date
Keith Packard	fc076f5a1d	kernel: Switch main return type from void to int As both C and C++ standards require applications running under an OS to return 'int', adapt that for Zephyr to align with those standard. This also eliminates errors when building with clang when not using -ffreestanding, and reduces the need for compiler flags to silence warnings for both clang and gcc Signed-off-by: Keith Packard <keithp@keithp.com>	2 years ago
Stephanos Ioannidis	fa5fd41b61	kernel: Add C++ main() support The C++ standard requires the main() function to have the return type of 'int' and does not allow the main() to be defined with the 'void' return type. Moreover, GCC goes as far as to emit a hard error when the '::main()' has the return type of `void`. This commit introduces an option to instruct the Zephyr kernel to call the 'int main(void)' instead of the 'void main(void)' in case a Zephyr application defines main() in a C++ source file. Signed-off-by: Stephanos Ioannidis <stephanos.ioannidis@nordicsemi.no>	3 years ago
Torsten Rasmussen	25e1b12ec0	kernel: extract __weak main() into independent file To support arm-ds / armlink it is required that the weak main is located in an object externally to the object using the weak symbol. If the weak symbol is inside the object referring to it, then the weak symbol will be used and this will result in ``` Error: L6200E: Symbol __ARM_use_no_argv multiply defined (by init.o and main.o). ``` as both the weak and strong symbols are used. Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>	4 years ago

Author

SHA1

Message

Date

Keith Packard

fc076f5a1d

kernel: Switch main return type from void to int

As both C and C++ standards require applications running under an OS to
return 'int', adapt that for Zephyr to align with those standard. This also
eliminates errors when building with clang when not using -ffreestanding,
and reduces the need for compiler flags to silence warnings for both clang
and gcc

Signed-off-by: Keith Packard <keithp@keithp.com>

2 years ago

Stephanos Ioannidis

fa5fd41b61

kernel: Add C++ main() support

The C++ standard requires the main() function to have the return type
of 'int' and does not allow the main() to be defined with the 'void'
return type. Moreover, GCC goes as far as to emit a hard error when the
'::main()' has the return type of `void`.

This commit introduces an option to instruct the Zephyr kernel to call
the 'int main(void)' instead of the 'void main(void)' in case a Zephyr
application defines main() in a C++ source file.

Signed-off-by: Stephanos Ioannidis <stephanos.ioannidis@nordicsemi.no>

3 years ago

Torsten Rasmussen

25e1b12ec0

kernel: extract __weak main() into independent file

To support arm-ds / armlink it is required that the weak main is located
in an object externally to the object using the weak symbol.

If the weak symbol is inside the object referring to it, then the weak
symbol will be used and this will result in
```
Error: L6200E: Symbol __ARM_use_no_argv multiply defined
    (by init.o and main.o).
```
as both the weak and strong symbols are used.

Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>

4 years ago

3 Commits (697d0f845d26692929ea3cb15a968c64f6925856)