diff --git a/arch/arm/src/cxd56xx/cxd56_timer.c b/arch/arm/src/cxd56xx/cxd56_timer.c
index 4369b5d2d59..9c93907c9a5 100644
--- a/arch/arm/src/cxd56xx/cxd56_timer.c
+++ b/arch/arm/src/cxd56xx/cxd56_timer.c
@@ -379,8 +379,8 @@ static int cxd56_settimeout(struct timer_lowerhalf_s *lower,
 
   if (timeout < 1 || timeout > TIMER_MAXTIMEOUT)
     {
-      tmrerr("ERROR: Cannot represent timeout=%lu > %lu\n", timeout,
-             TIMER_MAXTIMEOUT);
+      tmrerr("ERROR: Cannot represent timeout=%" PRIu32 " > %lu\n",
+             timeout, TIMER_MAXTIMEOUT);
       return -ERANGE;
     }
 
diff --git a/libs/libc/machine/arm/armv6-m/arch_elf.c b/libs/libc/machine/arm/armv6-m/arch_elf.c
index 3bdad9d5999..60001cbf859 100644
--- a/libs/libc/machine/arm/armv6-m/arch_elf.c
+++ b/libs/libc/machine/arm/armv6-m/arch_elf.c
@@ -423,8 +423,8 @@ int up_relocate(const Elf32_Rel *rel, const Elf32_Sym *sym, uintptr_t addr)
 
         /* And perform the relocation */
 
-        binfo("  offset=%08lx branch target=%08lx\n",
-              (long)offset, offset + sym->st_value);
+        binfo("  offset=%08" PRIx32 " branch target=%08" PRIx32 "\n",
+              offset, offset + sym->st_value);
 
         offset += sym->st_value;
 
diff --git a/libs/libc/machine/arm/armv7-a/arch_elf.c b/libs/libc/machine/arm/armv7-a/arch_elf.c
index a8f7ac33679..1ecacf3de7b 100644
--- a/libs/libc/machine/arm/armv7-a/arch_elf.c
+++ b/libs/libc/machine/arm/armv7-a/arch_elf.c
@@ -307,8 +307,8 @@ int up_relocate(const Elf32_Rel *rel, const Elf32_Sym *sym, uintptr_t addr)
 
         /* And perform the relocation */
 
-        binfo("  offset=%08lx branch target=%08lx\n",
-              (long)offset, offset + sym->st_value);
+        binfo("  offset=%08" PRIx32 " branch target=%08" PRIx32 "\n",
+              offset, offset + sym->st_value);
 
         offset += sym->st_value;
 
@@ -413,7 +413,7 @@ int up_relocate(const Elf32_Rel *rel, const Elf32_Sym *sym, uintptr_t addr)
         /* And perform the relocation */
 
         binfo("  S=%" PRId32 " J1=%" PRId32 " J2=%" PRId32
-              " offset=%08" PRIx32 " branch target=%08lx\n",
+              " offset=%08" PRIx32 " branch target=%08" PRIx32 "\n",
               S, J1, J2, offset, offset + sym->st_value - addr);
 
         offset += sym->st_value - addr;
@@ -425,7 +425,7 @@ int up_relocate(const Elf32_Rel *rel, const Elf32_Sym *sym, uintptr_t addr)
         if (ELF32_ST_TYPE(sym->st_info) == STT_FUNC && (offset & 1) == 0)
           {
             berr("ERROR:   ERROR: JUMP24 [%" PRId32 "] "
-                 "requires odd offset, offset=%08lx\n",
+                 "requires odd offset, offset=%08" PRIx32 "\n",
                  ELF32_R_TYPE(rel->r_info), offset);
 
             return -EINVAL;
@@ -436,7 +436,7 @@ int up_relocate(const Elf32_Rel *rel, const Elf32_Sym *sym, uintptr_t addr)
         if (offset < (int32_t)0xff000000 || offset >= (int32_t)0x01000000)
           {
             berr("ERROR:   ERROR: JUMP24 [%" PRId32 "] "
-                 "relocation out of range, branch target=%08lx\n",
+                 "relocation out of range, branch target=%08" PRIx32 "\n",
                  ELF32_R_TYPE(rel->r_info), offset);
 
             return -EINVAL;
diff --git a/libs/libc/machine/arm/armv7-m/arch_elf.c b/libs/libc/machine/arm/armv7-m/arch_elf.c
index cbf454d38ce..c2e6c270565 100644
--- a/libs/libc/machine/arm/armv7-m/arch_elf.c
+++ b/libs/libc/machine/arm/armv7-m/arch_elf.c
@@ -159,7 +159,7 @@ int up_relocate(const Elf32_Rel *rel, const Elf32_Sym *sym, uintptr_t addr)
             offset >= (int32_t) 0x02000000)
           {
             berr("ERROR:   ERROR: PC24 [%" PRId32 "] "
-                 "relocation out of range, offset=%08lx\n",
+                 "relocation out of range, offset=%08" PRIx32 "\n",
                  ELF32_R_TYPE(rel->r_info), offset);
 
             return -EINVAL;
@@ -276,7 +276,7 @@ int up_relocate(const Elf32_Rel *rel, const Elf32_Sym *sym, uintptr_t addr)
         /* And perform the relocation */
 
         binfo("  S=%" PRId32 " J1=%" PRId32 " J2=%" PRId32
-              " offset=%08" PRIx32 " branch target=%08lx\n",
+              " offset=%08" PRIx32 " branch target=%08" PRIx32 "\n",
               S, J1, J2, offset, offset + sym->st_value - addr);
 
         offset += sym->st_value - addr;
@@ -288,7 +288,7 @@ int up_relocate(const Elf32_Rel *rel, const Elf32_Sym *sym, uintptr_t addr)
         if (ELF32_ST_TYPE(sym->st_info) == STT_FUNC && (offset & 1) == 0)
           {
             berr("ERROR:   ERROR: JUMP24 [%" PRId32 "] "
-                 "requires odd offset, offset=%08lx\n",
+                 "requires odd offset, offset=%08" PRIx32 "\n",
                  ELF32_R_TYPE(rel->r_info), offset);
 
             return -EINVAL;
@@ -299,7 +299,7 @@ int up_relocate(const Elf32_Rel *rel, const Elf32_Sym *sym, uintptr_t addr)
         if (offset < (int32_t)0xff000000 || offset >= (int32_t)0x01000000)
           {
             berr("ERROR:   ERROR: JUMP24 [%" PRId32 "] "
-                 "relocation out of range, branch target=%08lx\n",
+                 "relocation out of range, branch target=%08" PRIx32 "\n",
                  ELF32_R_TYPE(rel->r_info), offset);
 
             return -EINVAL;
@@ -428,8 +428,8 @@ int up_relocate(const Elf32_Rel *rel, const Elf32_Sym *sym, uintptr_t addr)
 
         /* And perform the relocation */
 
-        binfo("  offset=%08lx branch target=%08lx\n",
-              (long)offset, offset + sym->st_value);
+        binfo("  offset=%08" PRIx32 " branch target=%08" PRIx32 "\n",
+              offset, offset + sym->st_value);
 
         offset += sym->st_value;
 
@@ -469,7 +469,7 @@ int up_relocate(const Elf32_Rel *rel, const Elf32_Sym *sym, uintptr_t addr)
         if (ELF32_ST_TYPE(sym->st_info) == STT_FUNC && (offset & 1) == 0)
           {
             berr("ERROR: JUMP11 [%" PRId32 "] "
-                 "requires odd offset, offset=%08lx\n",
+                 "requires odd offset, offset=%08" PRIx32 "\n",
                  ELF32_R_TYPE(rel->r_info), offset);
 
             return -EINVAL;
@@ -480,7 +480,7 @@ int up_relocate(const Elf32_Rel *rel, const Elf32_Sym *sym, uintptr_t addr)
         if (offset < (int32_t)0xfffff800 || offset >= (int32_t)0x0800)
           {
             berr("ERROR: JUMP11 [%" PRId32 "] "
-                 "relocation out of range, branch target=%08lx\n",
+                 "relocation out of range, branch target=%08" PRIx32 "\n",
                  ELF32_R_TYPE(rel->r_info), offset);
 
             return -EINVAL;
diff --git a/libs/libc/machine/arm/armv8-m/arch_elf.c b/libs/libc/machine/arm/armv8-m/arch_elf.c
index 2d2572e7bbf..d63e5edc7d3 100644
--- a/libs/libc/machine/arm/armv8-m/arch_elf.c
+++ b/libs/libc/machine/arm/armv8-m/arch_elf.c
@@ -159,7 +159,7 @@ int up_relocate(const Elf32_Rel *rel, const Elf32_Sym *sym, uintptr_t addr)
             offset >= (int32_t) 0x02000000)
           {
             berr("ERROR:   ERROR: PC24 [%" PRId32 "] "
-                 "relocation out of range, offset=%08lx\n",
+                 "relocation out of range, offset=%08" PRIx32 "\n",
                  ELF32_R_TYPE(rel->r_info), offset);
 
             return -EINVAL;
@@ -276,7 +276,7 @@ int up_relocate(const Elf32_Rel *rel, const Elf32_Sym *sym, uintptr_t addr)
         /* And perform the relocation */
 
         binfo("  S=%" PRId32 " J1=%" PRId32 " J2=%" PRId32
-              " offset=%08" PRIx32 " branch target=%08lx\n",
+              " offset=%08" PRIx32 " branch target=%08" PRIx32 "\n",
               S, J1, J2, offset, offset + sym->st_value - addr);
 
         offset += sym->st_value - addr;
@@ -288,7 +288,7 @@ int up_relocate(const Elf32_Rel *rel, const Elf32_Sym *sym, uintptr_t addr)
         if (ELF32_ST_TYPE(sym->st_info) == STT_FUNC && (offset & 1) == 0)
           {
             berr("ERROR:   ERROR: JUMP24 [%" PRId32 "] "
-                 "requires odd offset, offset=%08lx\n",
+                 "requires odd offset, offset=%08" PRIx32 "\n",
                  ELF32_R_TYPE(rel->r_info), offset);
 
             return -EINVAL;
@@ -299,7 +299,7 @@ int up_relocate(const Elf32_Rel *rel, const Elf32_Sym *sym, uintptr_t addr)
         if (offset < (int32_t)0xff000000 || offset >= (int32_t)0x01000000)
           {
             berr("ERROR:   ERROR: JUMP24 [%" PRId32 "] "
-                 "relocation out of range, branch target=%08lx\n",
+                 "relocation out of range, branch target=%08" PRIx32 "\n",
                  ELF32_R_TYPE(rel->r_info), offset);
 
             return -EINVAL;
@@ -428,8 +428,8 @@ int up_relocate(const Elf32_Rel *rel, const Elf32_Sym *sym, uintptr_t addr)
 
         /* And perform the relocation */
 
-        binfo("  offset=%08lx branch target=%08lx\n",
-              (long)offset, offset + sym->st_value);
+        binfo("  offset=%08" PRIx32 " branch target=%08" PRIx32 "\n",
+              offset, offset + sym->st_value);
 
         offset += sym->st_value;
 
@@ -469,7 +469,7 @@ int up_relocate(const Elf32_Rel *rel, const Elf32_Sym *sym, uintptr_t addr)
         if (ELF32_ST_TYPE(sym->st_info) == STT_FUNC && (offset & 1) == 0)
           {
             berr("ERROR: JUMP11 [%" PRId32 "] "
-                 "requires odd offset, offset=%08lx\n",
+                 "requires odd offset, offset=%08" PRIx32 "\n",
                  ELF32_R_TYPE(rel->r_info), offset);
 
             return -EINVAL;
@@ -480,7 +480,7 @@ int up_relocate(const Elf32_Rel *rel, const Elf32_Sym *sym, uintptr_t addr)
         if (offset < (int32_t)0xfffff800 || offset >= (int32_t)0x0800)
           {
             berr("ERROR: JUMP11 [%" PRId32 "] "
-                 "relocation out of range, branch target=%08lx\n",
+                 "relocation out of range, branch target=%08" PRIx32 "\n",
                  ELF32_R_TYPE(rel->r_info), offset);
 
             return -EINVAL;