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Report line info on empty RPN stack

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This commit is contained in:
ISSOtm
2020-01-21 03:12:43 +01:00
parent 1f8422575e
commit 0665146dcd
1 changed files with 8 additions and 2 deletions
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10
src/link/patch.c
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@@ -52,10 +52,11 @@ static void pushRPN(int32_t value)
stack.size++; stack.size++;
} }
static int32_t popRPN(void) static int32_t popRPN(char const *fileName, int32_t lineNo)
{ {
if (stack.size == 0) if (stack.size == 0)
errx(1, "Internal error, RPN stack empty"); errx(1, "%s(%d): Internal error, RPN stack empty", fileName,
lineNo);
stack.size--; stack.size--;
return stack.buf[stack.size]; return stack.buf[stack.size];
@@ -85,6 +86,9 @@ static uint8_t getRPNByte(uint8_t const **expression, int32_t *size,
static int32_t computeRPNExpr(struct Patch const *patch, static int32_t computeRPNExpr(struct Patch const *patch,
struct Section const *section) struct Section const *section)
{ {
/* Small shortcut to avoid a lot of repetition */
#define popRPN() popRPN(patch->fileName, patch->lineNo)
uint8_t const *expression = patch->rpnExpression; uint8_t const *expression = patch->rpnExpression;
int32_t size = patch->rpnSize; int32_t size = patch->rpnSize;
@@ -287,6 +291,8 @@ static int32_t computeRPNExpr(struct Patch const *patch,
patch->fileName, patch->lineNo, stack.size); patch->fileName, patch->lineNo, stack.size);
return popRPN(); return popRPN();
#undef popRPN
} }
/** /**