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Implement DS for linker scripts (#1206)

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This commit is contained in:
Rangi
2023-11-03 03:47:22 -04:00
committed by GitHub
parent 477e9812d4
commit 8f3369fe29
4 changed files with 22 additions and 7 deletions
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17
src/link/script.c
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@@ -154,6 +154,7 @@ char const *tokenTypes[] = {
enum LinkerScriptCommand {
COMMAND_ORG,
COMMAND_ALIGN,
COMMAND_DS,
COMMAND_INVALID
};
@@ -170,7 +171,8 @@ struct LinkerScriptToken {
static char const * const commands[] = {
[COMMAND_ORG] = "ORG",
[COMMAND_ALIGN] = "ALIGN"
[COMMAND_ALIGN] = "ALIGN",
[COMMAND_DS] = "DS"
};
static int nextChar(void)
@@ -339,10 +341,17 @@ static void processCommand(enum LinkerScriptCommand command, uint16_t arg, uint1
break;
case COMMAND_ALIGN:
if (arg >= 16)
if (arg >= 16) {
arg = 0;
else
arg = (*pc + (1 << arg) - 1) & ~((1 << arg) - 1);
} else {
uint16_t mask = (1 << arg) - 1;
arg = (*pc + mask) & ~mask;
}
break;
case COMMAND_DS:
arg += *pc;
}
if (arg < *pc)