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thermosphere: gdb: fix parsing errors in vCont and hex decode

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This commit is contained in:
TuxSH 2020-01-29 18:08:39 +00:00
parent cbf3b305ca
commit 9ef2532b9d
2 changed files with 15 additions and 8 deletions
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11
thermosphere/src/gdb/debug.c
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@ -365,7 +365,7 @@ GDB_DECLARE_VERBOSE_HANDLER(Continue)
char *threadIdPart;
int threadId;
u32 curMask = 0;
char *cmdEnd;
const char *cmdEnd;
// It it always fine if we set the single-stepping range to 0,0 by default
// Because the fields we set are the shadow fields copied to the real fields after debug unpause
@ -380,13 +380,16 @@ GDB_DECLARE_VERBOSE_HANDLER(Continue)
// Locate thread-id part, parse thread id
threadIdPart = strchr(cmd, ':');
if (threadIdPart != NULL) {
*threadIdPart++ = 0;
}
if (threadIdPart == NULL || strcmp(threadIdPart, "-1") == 0) {
// Default action...
threadId = -1;
curMask = ctx->attachedCoreList;
} else {
unsigned long id;
if(GDB_ParseHexIntegerList(&id, ctx->commandData + 1, 1, 0) == NULL) {
if(GDB_ParseHexIntegerList(&id, threadIdPart, 1, 0) == NULL) {
return GDB_ReplyErrno(ctx, EILSEQ);
} else if (id >= MAX_CORE + 1) {
return GDB_ReplyErrno(ctx, EINVAL);
@ -404,7 +407,7 @@ GDB_DECLARE_VERBOSE_HANDLER(Continue)
case 'C': {
// Check the presence of the two-digit signature, even if we ignore it.
u8 sg;
if (GDB_DecodeHex(&sg, ctx->commandData, 1) != 1) {
if (GDB_DecodeHex(&sg, cmd + 1, 1) != 1) {
return GDB_ReplyErrno(ctx, EILSEQ);
}
stepCoreList |= cmd[0] == 'S' ? curMask : 0;
@ -428,7 +431,7 @@ GDB_DECLARE_VERBOSE_HANDLER(Continue)
case 'r': {
// Range step
unsigned long tmp[2];
cmdEnd = GDB_ParseHexIntegerList(tmp, cmd, 2, 0);
cmdEnd = GDB_ParseHexIntegerList(tmp, cmd + 1, 2, 0);
if (cmdEnd == NULL) {
return GDB_ReplyErrno(ctx, EILSEQ);
}