#define DWARF_DATA_ALIGN (-4)
#define DWARF_PC_REG (mono_hw_reg_to_dwarf_reg (ARMREG_LR))
#elif defined (TARGET_X86)
+#ifdef __APPLE__
+/*
+ * LLVM seems to generate unwind info where esp is encoded as 5, and ebp as 4, ie see this line:
+ * def ESP : RegisterWithSubRegs<"esp", [SP]>, DwarfRegNum<[-2, 5, 4]>;
+ * in lib/Target/X86/X86RegisterInfo.td in the llvm sources.
+ */
+static int map_hw_reg_to_dwarf_reg [] = { 0, 1, 2, 3, 5, 4, 6, 7, 8 };
+#else
static int map_hw_reg_to_dwarf_reg [] = { 0, 1, 2, 3, 4, 5, 6, 7, 8 };
+#endif
/* + 1 is for IP */
#define NUM_REGS X86_NREG + 1
#define DWARF_DATA_ALIGN (-4)
*endp = p;
}
-/* Pointer Encoding in the .eh_frame */
-enum {
- DW_EH_PE_absptr = 0x00,
- DW_EH_PE_omit = 0xff,
-
- DW_EH_PE_udata4 = 0x03,
- DW_EH_PE_sdata4 = 0x0b,
- DW_EH_PE_sdata8 = 0x0c,
-
- DW_EH_PE_pcrel = 0x10,
- DW_EH_PE_textrel = 0x20,
- DW_EH_PE_datarel = 0x30,
- DW_EH_PE_funcrel = 0x40,
- DW_EH_PE_aligned = 0x50,
-
- DW_EH_PE_indirect = 0x80
-};
-
static gint64
read_encoded_val (guint32 encoding, guint8 *p, guint8 **endp)
{