Add more reloc symbols for target arm/thumb/riscv (#834)

Add more reloc symbols for target arm/thumb/riscv and
implement relocation type R_ARM_ABS32 for thumb.
Tested in buildroot qemu.

core/iwasm/aot/arch/aot_reloc_arm.c

@@ -10,105 +10,166 @@
 #define R_ARM_ABS32 2  /* Direct 32 bit */
 
 /* clang-format off */
-void __divdi3();
-void __udivdi3();
-void __moddi3();
-void __umoddi3();
-void __divsi3();
-void __udivsi3();
-void __modsi3();
-void __umodsi3();
-void __udivmoddi4();
-void __clzsi2();
-void __fixsfdi();
-void __fixunssfdi();
-void __fixdfdi();
-void __fixunsdfdi();
-void __floatdisf();
-void __floatundisf();
-void __floatdidf();
-void __floatundidf();
-void __aeabi_l2f();
-void __aeabi_f2lz();
-void __aeabi_ul2f();
+void __adddf3();
+void __addsf3();
+void __aeabi_d2iz();
 void __aeabi_d2lz();
-void __aeabi_l2d();
-void __aeabi_f2ulz();
-void __aeabi_ul2d();
 void __aeabi_d2ulz();
-void __aeabi_idiv();
-void __aeabi_uidiv();
-void __aeabi_idivmod();
-void __aeabi_uidivmod();
-void __aeabi_ldivmod();
-void __aeabi_uldivmod();
-void __aeabi_i2d();
 void __aeabi_dadd();
-void __aeabi_ddiv();
+void __aeabi_dcmpge();
+void __aeabi_dcmple();
 void __aeabi_dcmplt();
 void __aeabi_dcmpun();
-void __aeabi_dcmple();
-void __aeabi_dcmpge();
-void __aeabi_d2iz();
+void __aeabi_ddiv();
+void __aeabi_f2d();
+void __aeabi_f2iz();
+void __aeabi_f2lz();
+void __aeabi_f2ulz();
+void __aeabi_fcmpge();
+void __aeabi_fcmple();
 void __aeabi_fcmplt();
 void __aeabi_fcmpun();
-void __aeabi_fcmple();
-void __aeabi_fcmpge();
-void __aeabi_f2iz();
-void __aeabi_f2d();
+void __aeabi_i2d();
+void __aeabi_idiv();
+void __aeabi_idivmod();
+void __aeabi_l2d();
+void __aeabi_l2f();
+void __aeabi_ldivmod();
+void __aeabi_uidiv();
+void __aeabi_uidivmod();
+void __aeabi_ul2d();
+void __aeabi_ul2f();
+void __aeabi_uldivmod();
+void __clzsi2();
+void __divdf3();
+void __divdi3();
+void __divsf3();
+void __divsi3();
+void __eqdf2();
+void __extendsfdf2();
+void __fixdfdi();
+void __fixdfsi();
+void __fixsfdi();
+void __fixsfsi();
+void __fixunsdfdi();
+void __fixunsdfsi();
+void __fixunssfdi();
+void __floatdidf();
+void __floatdisf();
+void __floatsidf();
+void __floatsisf();
+void __floatundidf();
+void __floatundisf();
+void __floatunsidf();
+void __floatunsisf();
+void __gedf2();
+void __gesf2();
+void __gtdf2();
+void __gtsf2();
+void __ledf2();
+void __lesf2();
+void __ltdf2();
+void __ltsf2();
+void __moddi3();
+void __modsi3();
+void __muldf3();
+void __mulsf3();
+void __nedf2();
+void __nesf2();
+void __subdf3();
+void __subsf3();
+void __truncdfsf2();
+void __udivdi3();
+void __udivmoddi4();
+void __udivsi3();
+void __umoddi3();
+void __umodsi3();
+void __unorddf2();
+void __unordsf2();
 /* clang-format on */
 
 static SymbolMap target_sym_map[] = {
     /* clang-format off */
     REG_COMMON_SYMBOLS
     /* compiler-rt symbols that come from compiler(e.g. gcc) */
-    REG_SYM(__divdi3),
+    REG_SYM(__adddf3),
+    REG_SYM(__addsf3),
     /* clang-format on */
-    REG_SYM(__udivdi3),
-    REG_SYM(__moddi3),
-    REG_SYM(__umoddi3),
-    REG_SYM(__divsi3),
-    REG_SYM(__udivsi3),
-    REG_SYM(__modsi3),
-    REG_SYM(__umodsi3),
-    REG_SYM(__udivmoddi4),
-    REG_SYM(__clzsi2),
-    REG_SYM(__fixsfdi),
-    REG_SYM(__fixunssfdi),
-    REG_SYM(__fixdfdi),
-    REG_SYM(__fixunsdfdi),
-    REG_SYM(__floatdisf),
-    REG_SYM(__floatundisf),
-    REG_SYM(__floatdidf),
-    REG_SYM(__floatundidf),
-    REG_SYM(__aeabi_l2f),
-    REG_SYM(__aeabi_f2lz),
-    REG_SYM(__aeabi_ul2f),
+    REG_SYM(__aeabi_d2iz),
     REG_SYM(__aeabi_d2lz),
-    REG_SYM(__aeabi_l2d),
-    REG_SYM(__aeabi_f2ulz),
-    REG_SYM(__aeabi_ul2d),
     REG_SYM(__aeabi_d2ulz),
-    REG_SYM(__aeabi_idiv),
-    REG_SYM(__aeabi_uidiv),
-    REG_SYM(__aeabi_idivmod),
-    REG_SYM(__aeabi_uidivmod),
-    REG_SYM(__aeabi_ldivmod),
-    REG_SYM(__aeabi_uldivmod),
-    REG_SYM(__aeabi_i2d),
     REG_SYM(__aeabi_dadd),
-    REG_SYM(__aeabi_ddiv),
+    REG_SYM(__aeabi_dcmpge),
+    REG_SYM(__aeabi_dcmple),
     REG_SYM(__aeabi_dcmplt),
     REG_SYM(__aeabi_dcmpun),
-    REG_SYM(__aeabi_dcmple),
-    REG_SYM(__aeabi_dcmpge),
-    REG_SYM(__aeabi_d2iz),
+    REG_SYM(__aeabi_ddiv),
+    REG_SYM(__aeabi_f2d),
+    REG_SYM(__aeabi_f2iz),
+    REG_SYM(__aeabi_f2lz),
+    REG_SYM(__aeabi_f2ulz),
+    REG_SYM(__aeabi_fcmpge),
+    REG_SYM(__aeabi_fcmple),
     REG_SYM(__aeabi_fcmplt),
     REG_SYM(__aeabi_fcmpun),
-    REG_SYM(__aeabi_fcmple),
-    REG_SYM(__aeabi_fcmpge),
-    REG_SYM(__aeabi_f2iz),
-    REG_SYM(__aeabi_f2d),
+    REG_SYM(__aeabi_i2d),
+    REG_SYM(__aeabi_idiv),
+    REG_SYM(__aeabi_idivmod),
+    REG_SYM(__aeabi_l2d),
+    REG_SYM(__aeabi_l2f),
+    REG_SYM(__aeabi_ldivmod),
+    REG_SYM(__aeabi_uidiv),
+    REG_SYM(__aeabi_uidivmod),
+    REG_SYM(__aeabi_ul2d),
+    REG_SYM(__aeabi_ul2f),
+    REG_SYM(__aeabi_uldivmod),
+    REG_SYM(__clzsi2),
+    REG_SYM(__divdf3),
+    REG_SYM(__divdi3),
+    REG_SYM(__divsf3),
+    REG_SYM(__divsi3),
+    REG_SYM(__eqdf2),
+    REG_SYM(__extendsfdf2),
+    REG_SYM(__fixdfdi),
+    REG_SYM(__fixdfsi),
+    REG_SYM(__fixsfdi),
+    REG_SYM(__fixsfsi),
+    REG_SYM(__fixunsdfdi),
+    REG_SYM(__fixunsdfsi),
+    REG_SYM(__fixunssfdi),
+    REG_SYM(__floatdidf),
+    REG_SYM(__floatdisf),
+    REG_SYM(__floatsidf),
+    REG_SYM(__floatsisf),
+    REG_SYM(__floatundidf),
+    REG_SYM(__floatundisf),
+    REG_SYM(__floatunsidf),
+    REG_SYM(__floatunsisf),
+    REG_SYM(__gedf2),
+    REG_SYM(__gesf2),
+    REG_SYM(__gtdf2),
+    REG_SYM(__gtsf2),
+    REG_SYM(__ledf2),
+    REG_SYM(__lesf2),
+    REG_SYM(__ltdf2),
+    REG_SYM(__ltsf2),
+    REG_SYM(__moddi3),
+    REG_SYM(__modsi3),
+    REG_SYM(__muldf3),
+    REG_SYM(__muldf3),
+    REG_SYM(__mulsf3),
+    REG_SYM(__nedf2),
+    REG_SYM(__nesf2),
+    REG_SYM(__subdf3),
+    REG_SYM(__subsf3),
+    REG_SYM(__truncdfsf2),
+    REG_SYM(__udivdi3),
+    REG_SYM(__udivmoddi4),
+    REG_SYM(__udivsi3),
+    REG_SYM(__umoddi3),
+    REG_SYM(__umodsi3),
+    REG_SYM(__unorddf2),
+    REG_SYM(__unordsf2),
 };
 
 static void

core/iwasm/aot/arch/aot_reloc_riscv.c

@@ -17,21 +17,53 @@
 
 /* clang-format off */
 void __divdi3();
+void __divsi3();
+void __fixdfdi();
+void __fixsfdi();
+void __fixunsdfdi();
+void __fixunssfdi();
+void __floatdidf();
+void __floatdisf();
+void __floatundidf();
+void __floatundisf();
 void __moddi3();
+void __modsi3();
 void __muldi3();
+void __mulsi3();
 void __udivdi3();
+void __udivsi3();
 void __umoddi3();
+void __umodsi3();
 /* clang-format on */
 
 static SymbolMap target_sym_map[] = {
     /* clang-format off */
     REG_COMMON_SYMBOLS
     REG_SYM(__divdi3),
-    /* clang-format on */
+    REG_SYM(__divsi3),
+#if __riscv_xlen == 32
+    REG_SYM(__fixdfdi),
+    REG_SYM(__fixsfdi),
+#endif
+    REG_SYM(__fixunsdfdi),
+    REG_SYM(__fixunssfdi),
+#if __riscv_xlen == 32
+    REG_SYM(__floatdidf),
+    REG_SYM(__floatdisf),
+    REG_SYM(__floatundidf),
+    REG_SYM(__floatundisf),
+#endif
     REG_SYM(__moddi3),
+    REG_SYM(__modsi3),
     REG_SYM(__muldi3),
+#if __riscv_xlen == 32
+    REG_SYM(__mulsi3),
+#endif
     REG_SYM(__udivdi3),
+    REG_SYM(__udivsi3),
     REG_SYM(__umoddi3),
+    REG_SYM(__umodsi3),
+    /* clang-format on */
 };
 
 static void

core/iwasm/aot/arch/aot_reloc_thumb.c

@@ -5,138 +5,180 @@
 
 #include "aot_reloc.h"
 
+#define R_ARM_ABS32 2      /* Direct 32 bit */
 #define R_ARM_THM_CALL 10  /* PC relative (Thumb BL and ARMv5 Thumb BLX). */
 #define R_ARM_THM_JMP24 30 /* B.W */
 
 /* clang-format off */
-void __ltdf2();
 void __adddf3();
-void __eqdf2();
-void __unorddf2();
-void __muldf3();
-void __subdf3();
-void __gedf2();
-void __ledf2();
-void __fixunsdfsi();
-void __floatunsidf();
-void __fixdfsi();
-void __nedf2();
-void __floatsidf();
-void __divdi3();
-void __udivdi3();
-void __moddi3();
-void __umoddi3();
-void __divsi3();
-void __udivsi3();
-void __modsi3();
-void __udivmoddi4();
-void __clzsi2();
-void __fixsfdi();
-void __fixunssfdi();
-void __fixdfdi();
-void __fixunsdfdi();
-void __floatdisf();
-void __floatundisf();
-void __floatdidf();
-void __floatundidf();
-void __aeabi_l2f();
-void __aeabi_f2lz();
-void __aeabi_ul2f();
+void __addsf3();
+void __aeabi_d2iz();
 void __aeabi_d2lz();
-void __aeabi_l2d();
-void __aeabi_f2ulz();
-void __aeabi_ul2d();
-void __aeabi_ui2d();
+void __aeabi_d2uiz();
 void __aeabi_d2ulz();
-void __aeabi_idiv();
-void __aeabi_uidiv();
-void __aeabi_idivmod();
-void __aeabi_uidivmod();
-void __aeabi_ldivmod();
-void __aeabi_uldivmod();
-void __aeabi_i2d();
 void __aeabi_dadd();
-void __aeabi_ddiv();
-void __aeabi_dcmplt();
-void __aeabi_dcmpun();
-void __aeabi_dcmple();
 void __aeabi_dcmpge();
 void __aeabi_dcmpgt();
-void __aeabi_d2iz();
-void __aeabi_d2uiz();
+void __aeabi_dcmple();
+void __aeabi_dcmplt();
+void __aeabi_dcmpun();
+void __aeabi_ddiv();
+void __aeabi_f2d();
+void __aeabi_f2iz();
+void __aeabi_f2lz();
+void __aeabi_f2ulz();
+void __aeabi_fcmpge();
+void __aeabi_fcmple();
 void __aeabi_fcmplt();
 void __aeabi_fcmpun();
-void __aeabi_fcmple();
-void __aeabi_fcmpge();
-void __aeabi_f2iz();
-void __aeabi_f2d();
+void __aeabi_i2d();
+void __aeabi_idiv();
+void __aeabi_idivmod();
+void __aeabi_l2d();
+void __aeabi_l2f();
+void __aeabi_ldivmod();
+void __aeabi_ui2d();
+void __aeabi_uidiv();
+void __aeabi_uidivmod();
+void __aeabi_ul2d();
+void __aeabi_ul2f();
+void __aeabi_uldivmod();
+void __ashldi3();
+void __clzsi2();
+void __divdf3();
+void __divdi3();
+void __divsi3();
+void __eqdf2();
+void __eqsf2();
+void __extendsfdf2();
+void __fixdfdi();
+void __fixdfsi();
+void __fixsfdi();
+void __fixunsdfdi();
+void __fixunsdfsi();
+void __fixunssfdi();
+void __floatdidf();
+void __floatdisf();
+void __floatsidf();
+void __floatsisf();
+void __floatundidf();
+void __floatundisf();
+void __floatunsidf();
+void __floatunsisf();
+void __gedf2();
+void __gesf2();
+void __gtdf2();
+void __gtsf2();
+void __ledf2();
+void __lesf2();
+void __lshrdi3();
+void __ltdf2();
+void __ltsf2();
+void __moddi3();
+void __modsi3();
+void __muldf3();
+void __muldi3();
+void __mulsf3();
+void __nedf2();
+void __nesf2();
+void __subdf3();
+void __subsf3();
+void __truncdfsf2();
+void __udivdi3();
+void __udivmoddi4();
+void __udivsi3();
+void __umoddi3();
+void __umodsi3();
+void __unorddf2();
+void __unordsf2();
 /* clang-format on */
 
 static SymbolMap target_sym_map[] = {
     /* clang-format off */
     REG_COMMON_SYMBOLS
     /* compiler-rt symbols that come from compiler(e.g. gcc) */
-    REG_SYM(__ltdf2),
-    /* clang-format on */
     REG_SYM(__adddf3),
-    REG_SYM(__eqdf2),
-    REG_SYM(__unorddf2),
-    REG_SYM(__muldf3),
-    REG_SYM(__subdf3),
-    REG_SYM(__gedf2),
-    REG_SYM(__ledf2),
-    REG_SYM(__fixunsdfsi),
-    REG_SYM(__floatunsidf),
-    REG_SYM(__fixdfsi),
-    REG_SYM(__nedf2),
-    REG_SYM(__floatsidf),
-    REG_SYM(__divdi3),
-    REG_SYM(__udivdi3),
-    REG_SYM(__umoddi3),
-    REG_SYM(__divsi3),
-    REG_SYM(__udivsi3),
-    REG_SYM(__modsi3),
-    REG_SYM(__udivmoddi4),
-    REG_SYM(__clzsi2),
-    REG_SYM(__fixsfdi),
-    REG_SYM(__fixunssfdi),
-    REG_SYM(__fixdfdi),
-    REG_SYM(__fixunsdfdi),
-    REG_SYM(__floatdisf),
-    REG_SYM(__floatundisf),
-    REG_SYM(__floatdidf),
-    REG_SYM(__floatundidf),
-    REG_SYM(__aeabi_l2f),
-    REG_SYM(__aeabi_f2lz),
-    REG_SYM(__aeabi_ul2f),
+    REG_SYM(__addsf3),
+    /* clang-format on */
+    REG_SYM(__aeabi_d2iz),
     REG_SYM(__aeabi_d2lz),
-    REG_SYM(__aeabi_l2d),
-    REG_SYM(__aeabi_f2ulz),
-    REG_SYM(__aeabi_ul2d),
-    REG_SYM(__aeabi_ui2d),
+    REG_SYM(__aeabi_d2uiz),
     REG_SYM(__aeabi_d2ulz),
-    REG_SYM(__aeabi_idiv),
-    REG_SYM(__aeabi_uidiv),
-    REG_SYM(__aeabi_idivmod),
-    REG_SYM(__aeabi_uidivmod),
-    REG_SYM(__aeabi_ldivmod),
-    REG_SYM(__aeabi_uldivmod),
-    REG_SYM(__aeabi_i2d),
     REG_SYM(__aeabi_dadd),
-    REG_SYM(__aeabi_ddiv),
-    REG_SYM(__aeabi_dcmplt),
-    REG_SYM(__aeabi_dcmpun),
-    REG_SYM(__aeabi_dcmple),
     REG_SYM(__aeabi_dcmpge),
     REG_SYM(__aeabi_dcmpgt),
-    REG_SYM(__aeabi_d2iz),
-    REG_SYM(__aeabi_d2uiz),
+    REG_SYM(__aeabi_dcmple),
+    REG_SYM(__aeabi_dcmplt),
+    REG_SYM(__aeabi_dcmpun),
+    REG_SYM(__aeabi_ddiv),
+    REG_SYM(__aeabi_f2d),
+    REG_SYM(__aeabi_f2iz),
+    REG_SYM(__aeabi_f2lz),
+    REG_SYM(__aeabi_f2ulz),
+    REG_SYM(__aeabi_fcmpge),
+    REG_SYM(__aeabi_fcmple),
     REG_SYM(__aeabi_fcmplt),
     REG_SYM(__aeabi_fcmpun),
-    REG_SYM(__aeabi_fcmple),
-    REG_SYM(__aeabi_fcmpge),
-    REG_SYM(__aeabi_f2iz),
-    REG_SYM(__aeabi_f2d),
+    REG_SYM(__aeabi_i2d),
+    REG_SYM(__aeabi_idiv),
+    REG_SYM(__aeabi_idivmod),
+    REG_SYM(__aeabi_l2d),
+    REG_SYM(__aeabi_l2f),
+    REG_SYM(__aeabi_ldivmod),
+    REG_SYM(__aeabi_ui2d),
+    REG_SYM(__aeabi_uidiv),
+    REG_SYM(__aeabi_uidivmod),
+    REG_SYM(__aeabi_ul2d),
+    REG_SYM(__aeabi_ul2f),
+    REG_SYM(__aeabi_uldivmod),
+    REG_SYM(__ashldi3),
+    REG_SYM(__clzsi2),
+    REG_SYM(__divdf3),
+    REG_SYM(__divdi3),
+    REG_SYM(__divsi3),
+    REG_SYM(__eqdf2),
+    REG_SYM(__eqsf2),
+    REG_SYM(__extendsfdf2),
+    REG_SYM(__fixdfdi),
+    REG_SYM(__fixdfsi),
+    REG_SYM(__fixsfdi),
+    REG_SYM(__fixunsdfdi),
+    REG_SYM(__fixunsdfsi),
+    REG_SYM(__fixunssfdi),
+    REG_SYM(__floatdidf),
+    REG_SYM(__floatdisf),
+    REG_SYM(__floatsidf),
+    REG_SYM(__floatsisf),
+    REG_SYM(__floatundidf),
+    REG_SYM(__floatundisf),
+    REG_SYM(__floatunsidf),
+    REG_SYM(__floatunsisf),
+    REG_SYM(__gedf2),
+    REG_SYM(__gesf2),
+    REG_SYM(__gtdf2),
+    REG_SYM(__gtsf2),
+    REG_SYM(__ledf2),
+    REG_SYM(__lesf2),
+    REG_SYM(__lshrdi3),
+    REG_SYM(__ltdf2),
+    REG_SYM(__ltsf2),
+    REG_SYM(__moddi3),
+    REG_SYM(__modsi3),
+    REG_SYM(__muldf3),
+    REG_SYM(__muldi3),
+    REG_SYM(__mulsf3),
+    REG_SYM(__nedf2),
+    REG_SYM(__nesf2),
+    REG_SYM(__subdf3),
+    REG_SYM(__subsf3),
+    REG_SYM(__truncdfsf2),
+    REG_SYM(__udivdi3),
+    REG_SYM(__udivmoddi4),
+    REG_SYM(__udivsi3),
+    REG_SYM(__umoddi3),
+    REG_SYM(__umodsi3),
+    REG_SYM(__unorddf2),
+    REG_SYM(__unordsf2),
 };
 
 static void
@@ -316,6 +358,18 @@ apply_relocation(AOTModule *module, uint8 *target_section_addr,
             *(reloc_addr + 1) = (*(reloc_addr + 1) & ~0x7FF) | initial_addend_1;
             break;
         }
+        case R_ARM_ABS32:
+        {
+            intptr_t initial_addend;
+            /* (S + A) | T where T is 0 */
+            CHECK_RELOC_OFFSET(sizeof(void *));
+            initial_addend =
+                *(intptr_t *)(target_section_addr + (uint32)reloc_offset);
+            *(uintptr_t *)(target_section_addr + reloc_offset) =
+                (uintptr_t)symbol_addr + initial_addend
+                + (intptr_t)reloc_addend;
+            break;
+        }
 
         default:
             if (error_buf != NULL)