[libunwind][MIPS]: Add support for unwinding in O32 and N64 processes.
This supports the soft-float ABI only and has been tested with both clang
and gcc on FreeBSD.
Reviewed By: sdardis, compnerd
Differential Revision: https://reviews.llvm.org/D38110
llvm-svn: 320528
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: dfbbbdf8cd42b10969f96d4f65ae32012eff035b
diff --git a/src/UnwindCursor.hpp b/src/UnwindCursor.hpp
index b2793da..f09bd23 100644
--- a/src/UnwindCursor.hpp
+++ b/src/UnwindCursor.hpp
@@ -508,6 +508,18 @@
}
#endif
+#if defined(_LIBUNWIND_TARGET_MIPS_O32)
+ int stepWithCompactEncoding(Registers_mips_o32 &) {
+ return UNW_EINVAL;
+ }
+#endif
+
+#if defined(_LIBUNWIND_TARGET_MIPS_N64)
+ int stepWithCompactEncoding(Registers_mips_n64 &) {
+ return UNW_EINVAL;
+ }
+#endif
+
bool compactSaysUseDwarf(uint32_t *offset=NULL) const {
R dummy;
return compactSaysUseDwarf(dummy, offset);
@@ -551,6 +563,18 @@
return false;
}
#endif
+
+#if defined(_LIBUNWIND_TARGET_MIPS_O32)
+ bool compactSaysUseDwarf(Registers_mips_o32 &, uint32_t *) const {
+ return true;
+ }
+#endif
+
+#if defined(_LIBUNWIND_TARGET_MIPS_N64)
+ bool compactSaysUseDwarf(Registers_mips_n64 &, uint32_t *) const {
+ return true;
+ }
+#endif
#endif // defined(_LIBUNWIND_SUPPORT_COMPACT_UNWIND)
#if defined(_LIBUNWIND_SUPPORT_DWARF_UNWIND)
@@ -594,6 +618,18 @@
return 0;
}
#endif
+
+#if defined (_LIBUNWIND_TARGET_MIPS_O32)
+ compact_unwind_encoding_t dwarfEncoding(Registers_mips_o32 &) const {
+ return 0;
+ }
+#endif
+
+#if defined (_LIBUNWIND_TARGET_MIPS_N64)
+ compact_unwind_encoding_t dwarfEncoding(Registers_mips_n64 &) const {
+ return 0;
+ }
+#endif
#endif // defined(_LIBUNWIND_SUPPORT_DWARF_UNWIND)