diff --git a/src/lj_gdbjit.c b/src/lj_gdbjit.c
index c50d0d4c..772a678e 100644
--- a/src/lj_gdbjit.c
+++ b/src/lj_gdbjit.c
@@ -306,6 +306,9 @@ enum {
 #elif LJ_TARGET_MIPS
   DW_REG_SP = 29,
   DW_REG_RA = 31,
+#elif LJ_TARGET_LOONGARCH64
+  DW_REG_SP = 3,
+  DW_REG_RA = 1,
 #else
 #error "Unsupported target architecture"
 #endif
@@ -383,6 +386,8 @@ static const ELFheader elfhdr_template = {
   .machine = 20,
 #elif LJ_TARGET_MIPS
   .machine = 8,
+#elif LJ_TARGET_LOONGARCH64
+  .machine = 258,
 #else
 #error "Unsupported target architecture"
 #endif
@@ -591,6 +596,13 @@ static void LJ_FASTCALL gdbjit_ehframe(GDBJITctx *ctx)
       for (i = 23; i >= 16; i--) { DB(DW_CFA_offset|i); DUV(26-i); }
       for (i = 30; i >= 20; i -= 2) { DB(DW_CFA_offset|32|i); DUV(42-i); }
     }
+#elif LJ_TARGET_LOONGARCH64
+    {
+      int i;
+      DB(DW_CFA_offset|30); DUV(2);
+      for (i = 31; i >= 23; i--) { DB(DW_CFA_offset|i); DUV(3+(31-i)); }
+      for (i = 31; i >= 24; i--) { DB(DW_CFA_offset|32|i); DUV(43-i); }
+    }
 #else
 #error "Unsupported target architecture"
 #endif
diff --git a/src/vm_loongarch64.dasc b/src/vm_loongarch64.dasc
index e528e7d5..580f13ce 100644
--- a/src/vm_loongarch64.dasc
+++ b/src/vm_loongarch64.dasc
@@ -4477,3 +4477,132 @@ static int build_backend(BuildCtx *ctx)
 
   return BC__MAX;
 }
+
+/* Emit pseudo frame-info for all assembler functions. */
+static void emit_asm_debug(BuildCtx *ctx)
+{
+  int fcofs = (int)((uint8_t *)ctx->glob[GLOB_vm_ffi_call] - ctx->code);
+  int i;
+  switch (ctx->mode) {
+  case BUILD_elfasm:
+    fprintf(ctx->fp, "\t.section .debug_frame,\"\",@progbits\n");
+    fprintf(ctx->fp,
+	".Lframe0:\n"
+	"\t.4byte .LECIE0-.LSCIE0\n"
+	".LSCIE0:\n"
+	"\t.4byte 0xffffffff\n"
+	"\t.byte 0x1\n"
+	"\t.string \"\"\n"
+	"\t.uleb128 0x1\n"
+	"\t.sleb128 -4\n"
+	"\t.byte 1\n"				/* Return address is in ra. */
+	"\t.byte 0xc\n\t.uleb128 3\n\t.uleb128 0\n"	/* def_cfa sp 0 */
+	"\t.align 3\n"
+	".LECIE0:\n\n");
+    fprintf(ctx->fp,
+	".LSFDE0:\n"
+	"\t.4byte .LEFDE0-.LASFDE0\n"
+	".LASFDE0:\n"
+	"\t.4byte .Lframe0\n"
+	"\t.8byte .Lbegin\n"
+	"\t.8byte %d\n"
+	"\t.byte 0xe\n\t.uleb128 %d\n"
+	"\t.byte 0x81\n\t.uleb128 2*5\n"	/* offset ra*/
+	"\t.byte 0x96\n\t.uleb128 2*6\n",	/* offset fp */
+	fcofs, CFRAME_SIZE);
+    for (i = 31; i >= 23; i--)	/* offset r31-r23 */
+      fprintf(ctx->fp, "\t.byte %d\n\t.uleb128 %d\n", 0x80+i, 2*(31-i+7));
+    for (i = 31; i >= 24; i--)	/* offset f31-f24 */
+      fprintf(ctx->fp, "\t.byte %d\n\t.uleb128 %d\n", 0x80+32+i, 2*(31-i+16));
+    fprintf(ctx->fp,
+	"\t.align 3\n"
+	".LEFDE0:\n\n");
+#if LJ_HASFFI
+    fprintf(ctx->fp,
+	".LSFDE1:\n"
+	"\t.4byte .LEFDE1-.LASFDE1\n"
+	".LASFDE1:\n"
+	"\t.4byte .Lframe0\n"
+	"\t.4byte lj_vm_ffi_call\n"
+	"\t.4byte %d\n"
+	"\t.byte 0x81\n\t.uleb128 2*5\n"	/* offset ra*/
+	"\t.byte 0x96\n\t.uleb128 2*6\n"	/* offset fp */
+	"\t.align 3\n"
+	".LEFDE1:\n\n", (int)ctx->codesz - fcofs);
+#endif
+#if !LJ_NO_UNWIND
+    fprintf(ctx->fp, "\t.section .eh_frame,\"a\",@progbits\n");
+    fprintf(ctx->fp,
+	".Lframe1:\n"
+	"\t.4byte .LECIE1-.LSCIE1\n"
+	".LSCIE1:\n"
+	"\t.4byte 0\n"
+	"\t.byte 0x1\n"
+	"\t.string \"zPR\"\n"
+	"\t.uleb128 0x1\n"
+	"\t.sleb128 -4\n"
+	"\t.byte 1\n"				/* Return address is in ra. */
+	"\t.uleb128 6\n"			/* augmentation length */
+	"\t.byte 0x1b\n"
+	"\t.4byte lj_err_unwind_dwarf-.\n"
+	"\t.byte 0x1b\n"
+	"\t.byte 0xc\n\t.uleb128 3\n\t.uleb128 0\n"	/* def_cfa sp 0 */
+	"\t.align 2\n"
+	".LECIE1:\n\n");
+    fprintf(ctx->fp,
+	".LSFDE2:\n"
+	"\t.4byte .LEFDE2-.LASFDE2\n"
+	".LASFDE2:\n"
+	"\t.4byte .LASFDE2-.Lframe1\n"
+	"\t.4byte .Lbegin-.\n"
+	"\t.4byte %d\n"
+	"\t.uleb128 0\n"			/* augmentation length */
+	"\t.byte 0x81\n\t.uleb128 2*5\n"	/* offset ra*/
+	"\t.byte 0x96\n\t.uleb128 2*6\n",	/* offset fp */
+	fcofs);
+    for (i = 31; i >= 23; i--)	/* offset r23-r31 */
+      fprintf(ctx->fp, "\t.byte %d\n\t.uleb128 %d\n", 0x80+i, 2*(31-i+7));
+    for (i = 31; i >= 24; i--)	/* offset f24-f31 */
+      fprintf(ctx->fp, "\t.byte %d\n\t.uleb128 %d\n", 0x80+32+i, 2*(31-i+16));
+    fprintf(ctx->fp,
+	"\t.align 2\n"
+	".LEFDE2:\n\n");
+#if LJ_HASFFI
+    fprintf(ctx->fp,
+	".Lframe2:\n"
+	"\t.4byte .LECIE2-.LSCIE2\n"
+	".LSCIE2:\n"
+	"\t.4byte 0\n"
+	"\t.byte 0x1\n"
+	"\t.string \"zR\"\n"
+	"\t.uleb128 0x1\n"
+	"\t.sleb128 -4\n"
+	"\t.byte 1\n"				/* Return address is in ra. */
+	"\t.uleb128 1\n"			/* augmentation length */
+	"\t.byte 0x1b\n"
+	"\t.byte 0xc\n\t.uleb128 3\n\t.uleb128 0\n"	/* def_cfa sp 0 */
+	"\t.align 2\n"
+	".LECIE2:\n\n");
+    fprintf(ctx->fp,
+	".LSFDE3:\n"
+	"\t.4byte .LEFDE3-.LASFDE3\n"
+	".LASFDE3:\n"
+	"\t.4byte .LASFDE3- .Lframe2\n"
+	"\t.4byte lj_vm_ffi_call-.\n"
+	"\t.4byte %d\n"
+	"\t.uleb128 0\n"			/* augmentation length */
+	"\t.byte 0x81\n\t.uleb128 2*5\n"	/* offset ra*/
+	"\t.byte 0x96\n\t.uleb128 2*6\n"	/* offset fp */
+	"\t.align 2\n"
+	".LEFDE3:\n\n", (int)ctx->codesz - fcofs);
+#endif
+#endif
+#if !LJ_NO_UNWIND
+    /* NYI */
+#endif
+    break;
+  default:
+    break;
+  }
+}
+