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Introduce revision number field

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This commit is contained in:
ISSOtm
2020-01-27 10:06:17 +01:00
parent fa1fba7fd9
commit f363541611
3 changed files with 12 additions and 4 deletions
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14
src/link/object.c
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@@ -340,6 +340,14 @@ static void linkSymToSect(struct Symbol const *symbol, struct Section *section)
*/
static void readRGB7File(FILE *file, char const *fileName)
{
uint32_t revNum;
tryReadlong(revNum, file, "%s: Cannot read revision number: %s",
fileName);
if (revNum != RGBDS_OBJECT_REV)
errx(1, "%s is a revision 0x%04x object file, only 0x%04x is supported",
fileName, revNum, RGBDS_OBJECT_REV);
uint32_t nbSymbols;
uint32_t nbSections;
@@ -434,10 +442,8 @@ void obj_ReadFile(char const *fileName)
{
FILE *file = strcmp("-", fileName) ? fopen(fileName, "rb") : stdin;
if (!file) {
if (!file)
err(1, "Could not open file %s", fileName);
return;
}
/* Begin by reading the magic bytes and version number */
uint8_t versionNumber;
@@ -450,7 +456,7 @@ void obj_ReadFile(char const *fileName)
verbosePrint("Reading object file %s, version %hhu\n",
fileName, versionNumber);
if (versionNumber != 7)
if (versionNumber != RGBDS_OBJECT_VERSION_NUMBER)
errx(1, "\"%s\" is an incompatible version %hhu object file",
fileName, versionNumber);