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-id = 1488
-title = "Memory not accessible from GDB when using mps3-an547"
-state = "closed"
-created_at = "2023-02-13T12:30:05.839Z"
-closed_at = "2023-04-05T16:54:43.626Z"
-labels = ["GDB", "target: arm"]
-url = "https://gitlab.com/qemu-project/qemu/-/issues/1488"
-host-os = "Ubuntu 20.04.5 LTS"
-host-arch = "x86"
-qemu-version = "7.2.0"
-guest-os = "none (bare-metal)"
-guest-arch = "cortex-m55, Armv8.1-M"
-description = """Memory (including variables) is not accessible when connecting to the emulated machine via GDB"""
-reproduce = """1. Create minimal program `main.c`:
-    ```c
-    int main(void) {
-        int myvar = 42;
-        for(;;)
-    }
-    ```
-2. Compile
-   ```bash
-    arm-none-eabi-gcc -c -o build/main.o -c -mcpu=cortex-m55 -mfloat-abi=hard -mthumb -funsigned-char -mlittle-endian -O0 -g -std=c11  main.c
-    ```
-    (ARM startup files and include directories omitted for brevity)
-3. Link 
-    ```bash
-    arm-none-eabi-g++ -o build/test.elf build/main.o -mcpu=cortex-m55 -mfloat-abi=hard -mthumb -funsigned-char -mlittle-endian --entry=Reset_Handler -static -T./platform.ld -O0 -g
-    ```
-    (ARM startup files omitted for brevity)
-4. Run binary in QEMU:
-   ```bash
-    qemu-system-arm --machine mps3-an547 -serial mon:stdio -kernel test.elf -gdb tcp::1234 -S
-    ```
-5. Attach using GDB `arm-none-eabi-gdb build/test.elf` and set break point to infinite loop
-   ```gdb
-   target remote :1234
-   break main.c:18
-   continue
-   print myvar
-   ```
-
-Expected Output: 42  
-Actual Output: `Cannot access memory at address 0x11fffe4`"""
-additional = "n/a"