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Add coredump #417

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aa7a605
Add an linker script for binary
rust-cooker May 12, 2026
069a520
feat(coredump): implement ELF ET_CORE coredump module with multi-back…
rust-cooker May 13, 2026
4fda468
Merge branch 'main' into feat/coredump-code-review
rust-cooker May 13, 2026
e4fdde8
fix(coredump): add trailing newlines and update README to English
rust-cooker May 13, 2026
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8 changes: 8 additions & 0 deletions arch/arm/cortex_m/link.x
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Expand Up @@ -207,6 +207,14 @@ SECTIONS
__bss_end = .;
} > RAM AT > RAM

.coredump_bss (NOLOAD) : ALIGN(4096)
{
__coredump_buf_start = .;
*(.coredump_bss .coredump_bss.*)
. = ALIGN(4096);
__coredump_buf_end = .;
} > RAM

.heap (COPY) :
{
. = ALIGN(8);
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4 changes: 4 additions & 0 deletions arch/riscv/Kconfig
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Expand Up @@ -2,6 +2,10 @@

menu "RISCV Configuration"

config 32BIT
bool "32-bit RISC-V"
default n

config NUM_IRQS
int

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1 change: 1 addition & 0 deletions kconfig/BUILD.gn
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Expand Up @@ -19,6 +19,7 @@ _kconfig_files = [
"//kernel/arch/Kconfig",
"//kernel/kernel/src/boards/${board}/Kconfig",
"//kernel/kernel/src/Kconfig",
"//kernel/kernel/src/coredump/Kconfig",
"//kernel/kernel/src/allocator/Kconfig",
"//kernel/kernel/src/scheduler/Kconfig",
"//kernel/kernel/src/vfs/Kconfig",
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1 change: 1 addition & 0 deletions kconfig/config/gd32e507_eval/debug/defconfig
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Expand Up @@ -22,6 +22,7 @@ CONFIG_ROUND_ROBIN=y
CONFIG_ROBIN_SLICE=10
CONFIG_OVERFLOW_CHECK=y
CONFIG_STACK_HIGHWATER_CHECK=y
CONFIG_ENABLE_COREDUMP=y
#CONFIG_DEBUGGING_SCHEDULER=y
CONFIG_MAIN_THREAD_STACK_SIZE=12288
CONFIG_IDLE_THREAD_STACK_SIZE=2048
Expand Down
1 change: 1 addition & 0 deletions kconfig/config/gd32e507_eval/release/defconfig
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Expand Up @@ -29,6 +29,7 @@ CONFIG_TIMER_THREAD_STACK_SIZE=2048
# CONFIG_FDT is not set
# CONFIG_VIRTIO is not set
CONFIG_PROCFS=y
CONFIG_ENABLE_COREDUMP=y
CONFIG_ENABLE_NET=n

#
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1 change: 1 addition & 0 deletions kconfig/config/gd32vw553_eval/coverage/defconfig
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Expand Up @@ -41,6 +41,7 @@ CONFIG_ENABLE_SYSCALL=y
CONFIG_SERIAL_RX_FIFO_SIZE=512
CONFIG_SERIAL_TX_FIFO_SIZE=512
CONFIG_ENABLE_VFS=y
CONFIG_ENABLE_COREDUMP=y
CONFIG_PROCFS=y
CONFIG_ENABLE_NET=y
CONFIG_NETWORK_STACK_SIZE=24576
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1 change: 1 addition & 0 deletions kconfig/config/gd32vw553_eval/debug/defconfig
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Expand Up @@ -41,6 +41,7 @@ CONFIG_ENABLE_SYSCALL=y
CONFIG_SERIAL_RX_FIFO_SIZE=512
CONFIG_SERIAL_TX_FIFO_SIZE=512
CONFIG_ENABLE_VFS=y
CONFIG_ENABLE_COREDUMP=y
CONFIG_PROCFS=y
CONFIG_ENABLE_NET=n
CONFIG_NETWORK_STACK_SIZE=24576
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1 change: 1 addition & 0 deletions kconfig/config/gd32vw553_eval/release/defconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,7 @@ CONFIG_ENABLE_SYSCALL=y
CONFIG_SERIAL_RX_FIFO_SIZE=512
CONFIG_SERIAL_TX_FIFO_SIZE=512
CONFIG_ENABLE_VFS=y
CONFIG_ENABLE_COREDUMP=y
CONFIG_PROCFS=y
CONFIG_ENABLE_NET=n
CONFIG_NETWORK_STACK_SIZE=24576
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1 change: 1 addition & 0 deletions kconfig/config/qemu_mps2_an385/coverage/defconfig
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Expand Up @@ -40,6 +40,7 @@ CONFIG_ENABLE_SYSCALL=y
CONFIG_SERIAL_RX_FIFO_SIZE=512
CONFIG_SERIAL_TX_FIFO_SIZE=512
CONFIG_ENABLE_VFS=y
CONFIG_ENABLE_COREDUMP=y
CONFIG_PROCFS=y
CONFIG_ENABLE_NET=y
CONFIG_NETWORK_STACK_SIZE=24576
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1 change: 1 addition & 0 deletions kconfig/config/qemu_mps2_an385/debug/defconfig
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Expand Up @@ -39,6 +39,7 @@ CONFIG_ENABLE_SYSCALL=y
# CONFIG_VIRTIO is not set
CONFIG_SERIAL_RX_FIFO_SIZE=512
CONFIG_SERIAL_TX_FIFO_SIZE=512
CONFIG_ENABLE_COREDUMP=y
CONFIG_ENABLE_VFS=y
CONFIG_PROCFS=y
CONFIG_ENABLE_NET=y
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1 change: 1 addition & 0 deletions kconfig/config/qemu_mps2_an385/release/defconfig
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Expand Up @@ -40,6 +40,7 @@ CONFIG_ENABLE_SYSCALL=y
CONFIG_SERIAL_RX_FIFO_SIZE=512
CONFIG_SERIAL_TX_FIFO_SIZE=512
CONFIG_ENABLE_VFS=y
CONFIG_ENABLE_COREDUMP=y
CONFIG_PROCFS=y
CONFIG_ENABLE_NET=y
CONFIG_NETWORK_STACK_SIZE=24576
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1 change: 1 addition & 0 deletions kconfig/config/qemu_mps3_an547/coverage/defconfig
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Expand Up @@ -39,6 +39,7 @@ CONFIG_ENABLE_SYSCALL=y
# CONFIG_VIRTIO is not set
CONFIG_SERIAL_RX_FIFO_SIZE=256
CONFIG_SERIAL_TX_FIFO_SIZE=256
CONFIG_ENABLE_COREDUMP=y
# CONFIG_ENABLE_VFS is not set
# CONFIG_ENABLE_NET is not set

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1 change: 1 addition & 0 deletions kconfig/config/qemu_mps3_an547/debug/defconfig
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Expand Up @@ -21,6 +21,7 @@ CONFIG_ROUND_ROBIN=y
CONFIG_ROBIN_SLICE=10
CONFIG_OVERFLOW_CHECK=y
CONFIG_STACK_HIGHWATER_CHECK=y
CONFIG_ENABLE_COREDUMP=y
# CONFIG_DEBUGGING_SCHEDULER is not set
CONFIG_MAIN_THREAD_STACK_SIZE=12288
CONFIG_IDLE_THREAD_STACK_SIZE=2048
Expand Down
1 change: 1 addition & 0 deletions kconfig/config/qemu_mps3_an547/release/defconfig
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Expand Up @@ -40,6 +40,7 @@ CONFIG_ENABLE_SYSCALL=y
# CONFIG_VIRTIO is not set
CONFIG_SERIAL_RX_FIFO_SIZE=256
CONFIG_SERIAL_TX_FIFO_SIZE=256
CONFIG_ENABLE_COREDUMP=y
# CONFIG_ENABLE_VFS is not set
# CONFIG_ENABLE_NET is not set

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2 changes: 2 additions & 0 deletions kconfig/config/qemu_riscv32/coverage/defconfig
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Expand Up @@ -41,6 +41,8 @@ CONFIG_ENABLE_SYSCALL=y
CONFIG_SERIAL_RX_FIFO_SIZE=512
CONFIG_SERIAL_TX_FIFO_SIZE=512
CONFIG_ENABLE_VFS=y
CONFIG_ENABLE_COREDUMP=y
CONFIG_COREDUMP_MEM_BACKEND=y
CONFIG_PROCFS=y
CONFIG_ENABLE_NET=y
CONFIG_NETWORK_STACK_SIZE=24576
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2 changes: 2 additions & 0 deletions kconfig/config/qemu_riscv32/debug/defconfig
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Expand Up @@ -40,6 +40,8 @@ CONFIG_ENABLE_SYSCALL=y
# CONFIG_VIRTIO is not set
CONFIG_SERIAL_RX_FIFO_SIZE=512
CONFIG_SERIAL_TX_FIFO_SIZE=512
CONFIG_ENABLE_COREDUMP=y
CONFIG_COREDUMP_MEM_BACKEND=y
CONFIG_ENABLE_VFS=y
CONFIG_PROCFS=y
CONFIG_ENABLE_NET=y
Expand Down
2 changes: 2 additions & 0 deletions kconfig/config/qemu_riscv32/release/defconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,8 @@ CONFIG_ENABLE_SYSCALL=y
CONFIG_SERIAL_RX_FIFO_SIZE=512
CONFIG_SERIAL_TX_FIFO_SIZE=512
CONFIG_ENABLE_VFS=y
CONFIG_ENABLE_COREDUMP=y
CONFIG_COREDUMP_MEM_BACKEND=y
CONFIG_PROCFS=y
CONFIG_ENABLE_NET=y
CONFIG_NETWORK_STACK_SIZE=24576
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2 changes: 2 additions & 0 deletions kconfig/config/qemu_riscv64/coverage/defconfig
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Expand Up @@ -37,6 +37,8 @@ CONFIG_ENABLE_SYSCALL=y
CONFIG_SERIAL_RX_FIFO_SIZE=512
CONFIG_SERIAL_TX_FIFO_SIZE=512
CONFIG_ENABLE_VFS=y
CONFIG_ENABLE_COREDUMP=y
CONFIG_COREDUMP_MEM_BACKEND=y
CONFIG_PROCFS=y
CONFIG_ENABLE_NET=y
CONFIG_NETWORK_STACK_SIZE=24576
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2 changes: 2 additions & 0 deletions kconfig/config/qemu_riscv64/debug/defconfig
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Expand Up @@ -36,6 +36,8 @@ CONFIG_ENABLE_SYSCALL=y
# CONFIG_VIRTIO is not set
CONFIG_SERIAL_RX_FIFO_SIZE=512
CONFIG_SERIAL_TX_FIFO_SIZE=512
CONFIG_ENABLE_COREDUMP=y
CONFIG_COREDUMP_MEM_BACKEND=y
CONFIG_ENABLE_VFS=y
CONFIG_PROCFS=y
CONFIG_ENABLE_NET=y
Expand Down
2 changes: 2 additions & 0 deletions kconfig/config/qemu_riscv64/release/defconfig
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Expand Up @@ -37,6 +37,8 @@ CONFIG_ENABLE_SYSCALL=y
CONFIG_SERIAL_RX_FIFO_SIZE=512
CONFIG_SERIAL_TX_FIFO_SIZE=512
CONFIG_ENABLE_VFS=y
CONFIG_ENABLE_COREDUMP=y
CONFIG_COREDUMP_MEM_BACKEND=y
CONFIG_PROCFS=y
CONFIG_ENABLE_NET=y
CONFIG_NETWORK_STACK_SIZE=24576
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2 changes: 2 additions & 0 deletions kconfig/config/qemu_virt64_aarch64/coverage/defconfig
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Expand Up @@ -37,6 +37,8 @@ CONFIG_VIRTIO=y
CONFIG_SERIAL_RX_FIFO_SIZE=512
CONFIG_SERIAL_TX_FIFO_SIZE=512
CONFIG_ENABLE_VFS=y
CONFIG_ENABLE_COREDUMP=y
CONFIG_COREDUMP_MEM_BACKEND=y
CONFIG_PROCFS=y
CONFIG_ENABLE_NET=y
CONFIG_NETWORK_STACK_SIZE=32768
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2 changes: 2 additions & 0 deletions kconfig/config/qemu_virt64_aarch64/debug/defconfig
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Expand Up @@ -37,6 +37,8 @@ CONFIG_FDT=y
CONFIG_VIRTIO=y
CONFIG_SERIAL_RX_FIFO_SIZE=512
CONFIG_SERIAL_TX_FIFO_SIZE=512
CONFIG_ENABLE_COREDUMP=y
CONFIG_COREDUMP_MEM_BACKEND=y
CONFIG_ENABLE_VFS=y
CONFIG_PROCFS=y
CONFIG_ENABLE_NET=y
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2 changes: 2 additions & 0 deletions kconfig/config/qemu_virt64_aarch64/release/defconfig
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Expand Up @@ -38,6 +38,8 @@ CONFIG_VIRTIO=y
CONFIG_SERIAL_RX_FIFO_SIZE=512
CONFIG_SERIAL_TX_FIFO_SIZE=512
CONFIG_ENABLE_VFS=y
CONFIG_ENABLE_COREDUMP=y
CONFIG_COREDUMP_MEM_BACKEND=y
CONFIG_PROCFS=y
CONFIG_ENABLE_NET=y
CONFIG_NETWORK_STACK_SIZE=32768
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1 change: 1 addition & 0 deletions kconfig/config/raspberry_pico2_cortexm/debug/defconfig
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Expand Up @@ -22,6 +22,7 @@ CONFIG_ROUND_ROBIN=y
CONFIG_ROBIN_SLICE=10
CONFIG_OVERFLOW_CHECK=y
CONFIG_STACK_HIGHWATER_CHECK=y
CONFIG_ENABLE_COREDUMP=y
#CONFIG_DEBUGGING_SCHEDULER=y
CONFIG_MAIN_THREAD_STACK_SIZE=12288
CONFIG_IDLE_THREAD_STACK_SIZE=2048
Expand Down
1 change: 1 addition & 0 deletions kconfig/config/raspberry_pico2_cortexm/release/defconfig
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Expand Up @@ -26,6 +26,7 @@ CONFIG_STACK_HIGHWATER_CHECK=y
CONFIG_MAIN_THREAD_STACK_SIZE=12288
CONFIG_IDLE_THREAD_STACK_SIZE=2048
CONFIG_TIMER_THREAD_STACK_SIZE=2048
CONFIG_ENABLE_COREDUMP=y
# CONFIG_FDT is not set
# CONFIG_VIRTIO is not set
CONFIG_PROCFS=y
Expand Down
2 changes: 2 additions & 0 deletions kconfig/config/rk3568/coverage/defconfig
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Expand Up @@ -41,6 +41,8 @@ CONFIG_VIRTIO=y
CONFIG_SERIAL_RX_FIFO_SIZE=512
CONFIG_SERIAL_TX_FIFO_SIZE=512
CONFIG_ENABLE_VFS=y
CONFIG_ENABLE_COREDUMP=y
CONFIG_COREDUMP_MEM_BACKEND=y
CONFIG_PROCFS=y
CONFIG_ENABLE_NET=y
CONFIG_NETWORK_STACK_SIZE=32768
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2 changes: 2 additions & 0 deletions kconfig/config/rk3568/debug/defconfig
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Expand Up @@ -38,6 +38,8 @@ CONFIG_ENABLE_SYSCALL=y
CONFIG_SERIAL_RX_FIFO_SIZE=256
CONFIG_SERIAL_TX_FIFO_SIZE=256
CONFIG_ENABLE_VFS=y
CONFIG_ENABLE_COREDUMP=y
CONFIG_COREDUMP_MEM_BACKEND=y
CONFIG_PROCFS=y
# CONFIG_ENABLE_NET is not set

Expand Down
2 changes: 2 additions & 0 deletions kconfig/config/rk3568/release/defconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,8 @@ CONFIG_ENABLE_SYSCALL=y
CONFIG_SERIAL_RX_FIFO_SIZE=256
CONFIG_SERIAL_TX_FIFO_SIZE=256
CONFIG_ENABLE_VFS=y
CONFIG_ENABLE_COREDUMP=y
CONFIG_COREDUMP_MEM_BACKEND=y
CONFIG_PROCFS=y
# CONFIG_ENABLE_NET is not set

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2 changes: 2 additions & 0 deletions kconfig/config/seeed_xiao_esp32c3/debug/defconfig
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Expand Up @@ -16,6 +16,8 @@ CONFIG_ROUND_ROBIN=n
CONFIG_ROBIN_SLICE=10
CONFIG_OVERFLOW_CHECK=y
CONFIG_STACK_HIGHWATER_CHECK=y
CONFIG_ENABLE_COREDUMP=y
CONFIG_COREDUMP_MEM_BACKEND=y
CONFIG_MAIN_THREAD_STACK_SIZE=12288
CONFIG_IDLE_THREAD_STACK_SIZE=2048
CONFIG_TIMER_THREAD_STACK_SIZE=2048
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2 changes: 2 additions & 0 deletions kconfig/config/seeed_xiao_esp32c3/release/defconfig
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Expand Up @@ -25,6 +25,8 @@ CONFIG_THREAD_PRIORITY_MAX=32
CONFIG_MAIN_THREAD_PRIORITY=32

CONFIG_ENABLE_SYSCALL=y
CONFIG_ENABLE_COREDUMP=y
CONFIG_COREDUMP_MEM_BACKEND=y
# CONFIG_FDT is not set
# CONFIG_VIRTIO is not set
CONFIG_SERIAL_RX_FIFO_SIZE=256
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64 changes: 64 additions & 0 deletions kernel/BUILD.gn
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Expand Up @@ -24,6 +24,7 @@ _kernel_default_cfgs = [
group("check_kernel") {
testonly = true
deps = [
":run_coredump_test",
":run_integration_test",
":run_unittest",
]
Expand Down Expand Up @@ -221,6 +222,69 @@ run_qemu_check("run_integration_test") {
}
}

build_rust("kernel_coredump_test") {
testonly = true
crate_type = "bin"
sources = [ "tests/coredump_test.rs" ]
edition = "2021"
deps = [
":blueos",
"//external/vendor/semihosting-0.1.20:semihosting",
"//kernel/rsrt",
"//libc",
] + board_deps
if (coverage || profile) {
deps += [ "//external/vendor/minicov-0.3.7:minicov" ]
}
cfgs = _kernel_default_cfgs
linker_script = default_linker_script
if (defined(chip)) {
rustflags += [
"--cfg",
"target_chip=\"${chip}\"",
]
}
}

if (defined(qemu_use_esp32_loader) && qemu_use_esp32_loader) {
gen_esp32_qemu_runner("coredump_test_runner") {
testonly = true
elf = ":kernel_coredump_test"
chip = "${chip}"
bootloader = qemu_esp32_bootloader_bin
partition_table = qemu_esp32_partition_table_bin
qemu = qemu_exe
machine = qemu_machine
qemu_args = qemu_extra_args
net_args = qemu_net_args
block_args = qemu_block_args
semihosting = true
}
} else {
gen_qemu_runner("coredump_test_runner") {
testonly = true
semihosting = true
img = ":kernel_coredump_test"
qemu = qemu_exe
machine = qemu_machine
qemu_args = qemu_extra_args
net_args = qemu_net_args
block_img = "coredump_test_block.img"
block_args = qemu_block_args
}
}

run_qemu_check("run_coredump_test") {
testonly = true
runner = ":coredump_test_runner"
if (coverage) {
img = ":kernel_coredump_test"
checker = "src/coverage.checker"
} else {
checker = "tests/coredump.checker"
}
}

if (defined(use_defmt) && use_defmt) {
gen_probe_runner("unittest_runner") {
testonly = true
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2 changes: 2 additions & 0 deletions kernel/src/Kconfig
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Expand Up @@ -65,3 +65,5 @@ menu "os adapter configuration"

endchoice
endmenu # os adapter configuration

rsource "coredump/Kconfig"
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@xuchang-vivo xuchang-vivo May 13, 2026

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Plz also put the path on the _kconfig_files, otherwise the build system can not trace the changes of coredump/Kconfig

8 changes: 8 additions & 0 deletions kernel/src/arch/aarch64/exception.rs
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Expand Up @@ -201,6 +201,14 @@ extern "C" fn trap_fiq(context: &mut Context) -> usize {
}

fn show_exception(ec: u64, context: &mut Context) {
#[cfg(enable_coredump)]
crate::coredump::dump_current(&crate::coredump::elf::CoredumpReason {
signo: crate::coredump::signal::aarch64_ec_to_signo(ec),
code: ec as i32,
fault_addr: ESR_EL1.get() as usize,
arch_specific: ec as usize,
});

match ec {
0x00 => panic!("Unknown reason Exceptions\n======== error stack ======== \n{}",context),
0x01 => panic!("WFI or WFE instruction\n======== error stack ======== \n{}",context),
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9 changes: 9 additions & 0 deletions kernel/src/arch/arm/hardfault.rs
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Expand Up @@ -216,6 +216,15 @@ impl fmt::Display for HardFaultRegs {
pub extern "C" fn panic_on_hardfault(ctx: &IsrContext) {
super::disable_local_irq();
let fault_regs: HardFaultRegs = HardFaultRegs::from_scb();

#[cfg(enable_coredump)]
crate::coredump::dump_current(&crate::coredump::elf::CoredumpReason {
signo: crate::coredump::signal::arm_cfsr_to_signo(fault_regs.cfsr),
code: fault_regs.cfsr as i32,
fault_addr: fault_regs.mmfar as usize,
arch_specific: fault_regs.cfsr as usize,
});

let xpsr = xpsr::read();
panic!(
"
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8 changes: 8 additions & 0 deletions kernel/src/arch/riscv/trap.rs
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Expand Up @@ -258,6 +258,14 @@ extern "C" fn handle_trap(ctx: &mut Context, mcause: usize, mtval: usize, cont:
might_switch_context(ctx, cont)
}
_ => {
#[cfg(enable_coredump)]
crate::coredump::dump_current(&crate::coredump::elf::CoredumpReason {
signo: crate::coredump::signal::riscv_mcause_to_signo(mcause),
code: mcause as i32,
fault_addr: mtval,
arch_specific: mcause,
});

let t = scheduler::current_thread_ref();
panic!(
"[C#{}:0x{:x}] Unexpected trap: context: {:?}, mcause: 0x{:x}, mtval: 0x{:x}",
Expand Down
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