return getInteger(Tok);
}
+template <class ELFT>
+uint64_t LinkerScript<ELFT>::parseTernary(ArrayRef<StringRef> &Tokens,
+ uint64_t Cond) {
+ next(Tokens);
+ uint64_t V = parseExpr(Tokens, Dot);
+ if (!expect(Tokens, ":"))
+ return 0;
+ uint64_t W = parseExpr(Tokens, Dot);
+ return Cond ? V : W;
+}
+
static uint64_t apply(StringRef Op, uint64_t L, uint64_t R) {
if (Op == "+")
return L + R;
while (!Tokens.empty()) {
// Read an operator and an expression.
StringRef Op1 = Tokens.front();
+ if (Op1 == "?")
+ return parseTernary(Tokens, Lhs, Dot);
+
if (precedence(Op1) < MinPrec)
return Lhs;
next(Tokens);
uint64_t parseExpr(ArrayRef<StringRef> &Tokens);
uint64_t parsePrimary(ArrayRef<StringRef> &Tokens);
uint64_t parseExpr1(ArrayRef<StringRef> &Tokens, uint64_t Lhs, int MinPrec);
+ uint64_t parseTernary(ArrayRef<StringRef> &Tokens, uint64_t Cond);
typename ELFT::uint Dot;
};
# RUN: .bracket : { *(.bracket) } \
# RUN: . = 0x17000 & 0x15000; \
# RUN: .and : { *(.and) } \
+# RUN: . = 0x1 ? 0x16000 : 0x999999; \
+# RUN: .ternary1 : { *(.ternary1) } \
+# RUN: . = 0x0 ? 0x999999 : 0x17000; \
+# RUN: .ternary2 : { *(.ternary2) } \
# RUN: }" > %t.script
# RUN: ld.lld %t --script %t.script -o %t2
# RUN: llvm-readobj -s %t2 | FileCheck %s
# CHECK-NEXT: AddressAlignment:
# CHECK-NEXT: EntrySize:
# CHECK-NEXT: }
+# CHECK-NEXT: Section {
+# CHECK-NEXT: Index:
+# CHECK-NEXT: Name: .ternary1
+# CHECK-NEXT: Type: SHT_PROGBITS
+# CHECK-NEXT: Flags [
+# CHECK-NEXT: SHF_ALLOC
+# CHECK-NEXT: ]
+# CHECK-NEXT: Address: 0x16000
+# CHECK-NEXT: Offset:
+# CHECK-NEXT: Size:
+# CHECK-NEXT: Link:
+# CHECK-NEXT: Info:
+# CHECK-NEXT: AddressAlignment:
+# CHECK-NEXT: EntrySize:
+# CHECK-NEXT: }
+# CHECK-NEXT: Section {
+# CHECK-NEXT: Index:
+# CHECK-NEXT: Name: .ternary2
+# CHECK-NEXT: Type: SHT_PROGBITS
+# CHECK-NEXT: Flags [
+# CHECK-NEXT: SHF_ALLOC
+# CHECK-NEXT: ]
+# CHECK-NEXT: Address: 0x17000
+# CHECK-NEXT: Offset:
+# CHECK-NEXT: Size:
+# CHECK-NEXT: Link:
+# CHECK-NEXT: Info:
+# CHECK-NEXT: AddressAlignment:
+# CHECK-NEXT: EntrySize:
+# CHECK-NEXT: }
## Mailformed number error.
# RUN: echo "SECTIONS { \
# RUN: FileCheck --check-prefix=DIVZERO %s
# DIVZERO: division by zero
+## Broken ternary operator expression.
+# RUN: echo "SECTIONS { \
+# RUN: . = 0x1 ? 0x2; \
+# RUN: }" > %t.script
+# RUN: not ld.lld %t --script %t.script -o %t2 2>&1 | \
+# RUN: FileCheck --check-prefix=TERNERR %s
+# TERNERR: : expected
+
.globl _start;
_start:
nop
.section .and, "a"
.quad 0
+
+.section .ternary1, "a"
+.quad 0
+
+.section .ternary2, "a"
+.quad 0