897 void asm_assert(bool check_equal, const char* msg, int id);
898 void asm_assert_eq(const char* msg, int id) { asm_assert(true, msg, id); }
899 void asm_assert_ne(const char* msg, int id) { asm_assert(false, msg, id); }
900
901 private:
902 void asm_assert_mems_zero(bool check_equal, int size, int mem_offset, Register mem_base,
903 const char* msg, int id);
904
905 public:
906
907 void asm_assert_mem8_is_zero(int mem_offset, Register mem_base, const char* msg, int id) {
908 asm_assert_mems_zero(true, 8, mem_offset, mem_base, msg, id);
909 }
910 void asm_assert_mem8_isnot_zero(int mem_offset, Register mem_base, const char* msg, int id) {
911 asm_assert_mems_zero(false, 8, mem_offset, mem_base, msg, id);
912 }
913
914 // Verify R16_thread contents.
915 void verify_thread();
916
917 // Emit code to verify that reg contains a valid oop if +VerifyOops is set.
918 void verify_oop(Register reg, const char* s = "broken oop");
919 void verify_oop_addr(RegisterOrConstant offs, Register base, const char* s = "contains broken oop");
920
921 // TODO: verify method and klass metadata (compare against vptr?)
922 void _verify_method_ptr(Register reg, const char * msg, const char * file, int line) {}
923 void _verify_klass_ptr(Register reg, const char * msg, const char * file, int line) {}
924
925 // Convenience method returning function entry. For the ELFv1 case
926 // creates function descriptor at the current address and returs
927 // the pointer to it. For the ELFv2 case returns the current address.
928 inline address function_entry();
929
930 #define verify_method_ptr(reg) _verify_method_ptr(reg, "broken method " #reg, __FILE__, __LINE__)
931 #define verify_klass_ptr(reg) _verify_klass_ptr(reg, "broken klass " #reg, __FILE__, __LINE__)
932
933 private:
934
935 enum {
936 stop_stop = 0,
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897 void asm_assert(bool check_equal, const char* msg, int id);
898 void asm_assert_eq(const char* msg, int id) { asm_assert(true, msg, id); }
899 void asm_assert_ne(const char* msg, int id) { asm_assert(false, msg, id); }
900
901 private:
902 void asm_assert_mems_zero(bool check_equal, int size, int mem_offset, Register mem_base,
903 const char* msg, int id);
904
905 public:
906
907 void asm_assert_mem8_is_zero(int mem_offset, Register mem_base, const char* msg, int id) {
908 asm_assert_mems_zero(true, 8, mem_offset, mem_base, msg, id);
909 }
910 void asm_assert_mem8_isnot_zero(int mem_offset, Register mem_base, const char* msg, int id) {
911 asm_assert_mems_zero(false, 8, mem_offset, mem_base, msg, id);
912 }
913
914 // Verify R16_thread contents.
915 void verify_thread();
916
917 // Calls verify_oop. If UseCompressedOops is on, decodes the oop.
918 // Preserves reg.
919 void verify_coop(Register reg, const char*);
920 // Emit code to verify that reg contains a valid oop if +VerifyOops is set.
921 void verify_oop(Register reg, const char* s = "broken oop");
922 void verify_oop_addr(RegisterOrConstant offs, Register base, const char* s = "contains broken oop");
923
924 // TODO: verify method and klass metadata (compare against vptr?)
925 void _verify_method_ptr(Register reg, const char * msg, const char * file, int line) {}
926 void _verify_klass_ptr(Register reg, const char * msg, const char * file, int line) {}
927
928 // Convenience method returning function entry. For the ELFv1 case
929 // creates function descriptor at the current address and returs
930 // the pointer to it. For the ELFv2 case returns the current address.
931 inline address function_entry();
932
933 #define verify_method_ptr(reg) _verify_method_ptr(reg, "broken method " #reg, __FILE__, __LINE__)
934 #define verify_klass_ptr(reg) _verify_klass_ptr(reg, "broken klass " #reg, __FILE__, __LINE__)
935
936 private:
937
938 enum {
939 stop_stop = 0,
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