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UBSan conditional compilation

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This commit is contained in:
xamidev
2026-03-29 09:38:24 +02:00
parent 65371077d9
commit 2f1eef9e15
2 changed files with 24 additions and 1 deletions
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Makefile
+10 -1
View File
@@ -2,12 +2,21 @@
BUILDDIR := build BUILDDIR := build
ELFFILE := pepperk ELFFILE := pepperk
SRC := src SRC := src
CC_PROBLEMATIC_FLAGS:=-Wno-unused-parameter -Wno-unused-variable
ifeq ($(UBSAN),true)
SOURCES := $(shell find src -name '*.c') SOURCES := $(shell find src -name '*.c')
CC_PROBLEMATIC_FLAGS:= -fsanitize=undefined
else
SOURCES := $(shell find src -name '*.c')
SOURCES := $(filter-out src/security/ubsan.c, $(SOURCES))
endif
OBJFILES := $(patsubst $(SRC)/%.c, $(BUILDDIR)/%.o, $(SOURCES)) OBJFILES := $(patsubst $(SRC)/%.c, $(BUILDDIR)/%.o, $(SOURCES))
CC := x86_64-elf-gcc CC := x86_64-elf-gcc
CC_FLAGS=-Wall -Wextra -std=gnu99 -nostdlib -ffreestanding -fstack-protector -fno-omit-frame-pointer -fno-stack-check -fno-PIC -ffunction-sections -fdata-sections -mcmodel=kernel CC_FLAGS=-Wall -Wextra -std=gnu99 -nostdlib -ffreestanding -fstack-protector -fno-omit-frame-pointer -fno-stack-check -fno-PIC -ffunction-sections -fdata-sections -mcmodel=kernel
CC_PROBLEMATIC_FLAGS=-Wno-unused-parameter -Wno-unused-variable -fsanitize=undefined
LD := x86_64-elf-ld LD := x86_64-elf-ld
README.md
+14
View File
@@ -34,6 +34,20 @@ Compile the kernel and generate an ISO image like described above, then burn the
sudo dd if=pepper.iso of=/dev/sdX sudo dd if=pepper.iso of=/dev/sdX
``` ```
## Compilation options
By default, PepperOS is compiled without the following features:
```
UBSAN - undefined behavior sanitization
```
These features can be activated by setting them to "true" at the end of the make command, for example:
```
make UBSAN=true
```
## TODO ## TODO
The basics that I'm targeting are: The basics that I'm targeting are: