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Implement SIZEOF("Section") and STARTOF("Section") (#766)

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Updates the object file revision to 8

Fixes #765
This commit is contained in:
Rangi
2021-04-17 18:36:26 -04:00
committed by GitHub
parent 5108c5643c
commit 52797b6f68
14 changed files with 161 additions and 31 deletions
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30
src/asm/rpn.c
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@@ -201,6 +201,34 @@ void rpn_BankSection(struct Expression *expr, char const *tzSectionName)
}
}
void rpn_SizeOfSection(struct Expression *expr, char const *tzSectionName)
{
rpn_Init(expr);
makeUnknown(expr, "Section \"%s\"'s size is not known", tzSectionName);
size_t nameLen = strlen(tzSectionName) + 1; /* Room for NUL! */
uint8_t *ptr = reserveSpace(expr, nameLen + 1);
expr->nRPNPatchSize += nameLen + 1;
*ptr++ = RPN_SIZEOF_SECT;
memcpy(ptr, tzSectionName, nameLen);
}
void rpn_StartOfSection(struct Expression *expr, char const *tzSectionName)
{
rpn_Init(expr);
makeUnknown(expr, "Section \"%s\"'s start is not known", tzSectionName);
size_t nameLen = strlen(tzSectionName) + 1; /* Room for NUL! */
uint8_t *ptr = reserveSpace(expr, nameLen + 1);
expr->nRPNPatchSize += nameLen + 1;
*ptr++ = RPN_STARTOF_SECT;
memcpy(ptr, tzSectionName, nameLen);
}
void rpn_CheckHRAM(struct Expression *expr, const struct Expression *src)
{
*expr = *src;
@@ -396,6 +424,8 @@ void rpn_BinaryOp(enum RPNCommand op, struct Expression *expr,
case RPN_BANK_SYM:
case RPN_BANK_SECT:
case RPN_BANK_SELF:
case RPN_SIZEOF_SECT:
case RPN_STARTOF_SECT:
case RPN_HRAM:
case RPN_RST:
case RPN_CONST: