Corrected issue with byte order expectations for target registers.

This was the cause for that issue with GDB using the incorrect memory addresses for local variables, after the PC and SP had been changed.
Also renamed SP start address parameter to make the byte order of the register clear.
This commit is contained in:
Nav
2021-07-02 01:34:17 +01:00
parent 9861c3652a
commit aa6395a002
5 changed files with 30 additions and 17 deletions

View File

@@ -44,7 +44,7 @@ class Avr8TargetDescriptionFile extends TargetDescriptionFile
public ?int $ocdDataRegister = null;
public ?int $statusRegisterStartAddress = null;
public ?int $statusRegisterSize = null;
public ?int $stackPointerRegisterStartAddress = null;
public ?int $stackPointerRegisterLowAddress = null;
public ?int $stackPointerRegisterSize = null;
public ?int $spmcRegisterStartAddress = null;
public ?int $osccalAddress = null;
@@ -223,13 +223,13 @@ class Avr8TargetDescriptionFile extends TargetDescriptionFile
if (isset($cpuRegisterGroup->registersMappedByName['sp'])) {
$stackPointerRegister = $cpuRegisterGroup->registersMappedByName['sp'];
$this->stackPointerRegisterSize = $stackPointerRegister->size;
$this->stackPointerRegisterStartAddress = $stackPointerRegister->offset;
$this->stackPointerRegisterLowAddress = $stackPointerRegister->offset;
} else {
if (isset($cpuRegisterGroup->registersMappedByName['spl'])) {
$stackPointerLowRegister = $cpuRegisterGroup->registersMappedByName['spl'];
$this->stackPointerRegisterSize = $stackPointerLowRegister->size;
$this->stackPointerRegisterStartAddress = $stackPointerLowRegister->offset;
$this->stackPointerRegisterLowAddress = $stackPointerLowRegister->offset;
if (isset($cpuRegisterGroup->registersMappedByName['sph'])) {
$stackPointerHighRegister = $cpuRegisterGroup->registersMappedByName['sph'];
@@ -451,7 +451,7 @@ class Avr8TargetDescriptionFile extends TargetDescriptionFile
$failures[] = 'Unknown AVR8 family';
}
if (is_null($this->stackPointerRegisterStartAddress)) {
if (is_null($this->stackPointerRegisterLowAddress)) {
$failures[] = 'Missing stack pointer register start address.';
}