diff --git a/lib/std/zig/target.zig b/lib/std/zig/target.zig
index 0fcfebba48..8ed28e1064 100644
--- a/lib/std/zig/target.zig
+++ b/lib/std/zig/target.zig
@@ -35,6 +35,7 @@ pub const available_libcs = [_]ArchOsAbi{
     .{ .arch = .x86, .os = .linux, .abi = .gnu },
     .{ .arch = .x86, .os = .linux, .abi = .musl },
     .{ .arch = .x86, .os = .windows, .abi = .gnu },
+    .{ .arch = .loongarch64, .os = .linux, .abi = .gnu },
     .{ .arch = .loongarch64, .os = .linux, .abi = .musl },
     .{ .arch = .m68k, .os = .linux, .abi = .gnu },
     .{ .arch = .m68k, .os = .linux, .abi = .musl },
@@ -57,6 +58,7 @@ pub const available_libcs = [_]ArchOsAbi{
     .{ .arch = .powerpc, .os = .linux, .abi = .gnueabi },
     .{ .arch = .powerpc, .os = .linux, .abi = .gnueabihf },
     .{ .arch = .powerpc, .os = .linux, .abi = .musl },
+    .{ .arch = .riscv32, .os = .linux, .abi = .gnuilp32 },
     .{ .arch = .riscv32, .os = .linux, .abi = .musl },
     .{ .arch = .riscv64, .os = .linux, .abi = .gnu, .glibc_min = .{ .major = 2, .minor = 27, .patch = 0 } },
     .{ .arch = .riscv64, .os = .linux, .abi = .musl },
diff --git a/tools/process_headers.zig b/tools/process_headers.zig
index e81d178077..a15481afa2 100644
--- a/tools/process_headers.zig
+++ b/tools/process_headers.zig
@@ -159,6 +159,11 @@ const glibc_targets = [_]LibCTarget{
         .arch = MultiArch{ .specific = Arch.powerpc },
         .abi = MultiAbi{ .specific = Abi.gnueabi },
     },
+    LibCTarget{
+        .name = "riscv32-linux-gnu-rv32imac-ilp32",
+        .arch = MultiArch{ .specific = Arch.riscv32 },
+        .abi = MultiAbi{ .specific = Abi.gnuilp32 },
+    },
     LibCTarget{
         .name = "riscv64-linux-gnu-rv64imac-lp64",
         .arch = MultiArch{ .specific = Arch.riscv64 },
@@ -195,6 +200,11 @@ const glibc_targets = [_]LibCTarget{
         .arch = MultiArch{ .specific = Arch.m68k },
         .abi = MultiAbi{ .specific = Abi.gnu },
     },
+    LibCTarget{
+        .name = "loongarch64-linux-gnu-lp64d",
+        .arch = MultiArch{ .specific = .loongarch64 },
+        .abi = MultiAbi{ .specific = Abi.gnu },
+    },
 };
 
 const musl_targets = [_]LibCTarget{