Linux build: silence objtool warnings

After openzfs#17401 the Linux build produces some stack related warnings.

Silence them with the `STACK_FRAME_NON_STANDARD` macro.

Signed-off-by: Attila Fülöp <[email protected]>

Author: AttilaFueloep

include/sys/frame.h

@@ -33,6 +33,10 @@ extern "C" {
 #endif
 #else
 #define	STACK_FRAME_NON_STANDARD(func)
+#if defined(_ASM)
+.macro STACK_FRAME_NON_STANDARD func:req
+.endm
+#endif
 #endif
 
 #ifdef	__cplusplus

module/icp/asm-x86_64/modes/aesni-gcm-x86_64.S

@@ -50,6 +50,7 @@
 
 #define _ASM
 #include <sys/asm_linkage.h>
+#include <sys/frame.h>
 
 /* Windows userland links with OpenSSL */
 #if !defined (_WIN32) || defined (_KERNEL)
@@ -378,6 +379,7 @@ FUNCTION(_aesni_ctr32_ghash_6x)
 	RET
 .cfi_endproc
 SET_SIZE(_aesni_ctr32_ghash_6x)
+STACK_FRAME_NON_STANDARD _aesni_ctr32_ghash_6x
 #endif /* ifdef HAVE_MOVBE */
 
 .balign 32
@@ -706,6 +708,7 @@ FUNCTION(_aesni_ctr32_ghash_no_movbe_6x)
 	RET
 .cfi_endproc
 SET_SIZE(_aesni_ctr32_ghash_no_movbe_6x)
+STACK_FRAME_NON_STANDARD _aesni_ctr32_ghash_no_movbe_6x
 
 ENTRY_ALIGN(aesni_gcm_decrypt, 32)
 .cfi_startproc
@@ -823,6 +826,7 @@ ENTRY_ALIGN(aesni_gcm_decrypt, 32)
 	RET
 .cfi_endproc
 SET_SIZE(aesni_gcm_decrypt)
+STACK_FRAME_NON_STANDARD aesni_gcm_decrypt
 
 .balign 32
 FUNCTION(_aesni_ctr32_6x)
@@ -1198,6 +1202,7 @@ ENTRY_ALIGN(aesni_gcm_encrypt, 32)
 	RET
 .cfi_endproc
 SET_SIZE(aesni_gcm_encrypt)
+STACK_FRAME_NON_STANDARD aesni_gcm_encrypt
 
 #endif /* !_WIN32 || _KERNEL */
 

module/icp/asm-x86_64/sha2/sha256-x86_64.S

@@ -24,6 +24,7 @@
 
 #define _ASM
 #include <sys/asm_linkage.h>
+#include <sys/frame.h>
 
 SECTION_STATIC
 
@@ -1420,6 +1421,7 @@ ENTRY_ALIGN(zfs_sha256_transform_x64, 16)
 	RET
 .cfi_endproc
 SET_SIZE(zfs_sha256_transform_x64)
+STACK_FRAME_NON_STANDARD zfs_sha256_transform_x64
 
 ENTRY_ALIGN(zfs_sha256_transform_shani, 64)
 .cfi_startproc
@@ -1628,6 +1630,7 @@ ENTRY_ALIGN(zfs_sha256_transform_shani, 64)
 	RET
 .cfi_endproc
 SET_SIZE(zfs_sha256_transform_shani)
+STACK_FRAME_NON_STANDARD zfs_sha256_transform_shani
 
 ENTRY_ALIGN(zfs_sha256_transform_ssse3, 64)
 .cfi_startproc
@@ -2739,6 +2742,7 @@ ENTRY_ALIGN(zfs_sha256_transform_ssse3, 64)
 	RET
 .cfi_endproc
 SET_SIZE(zfs_sha256_transform_ssse3)
+STACK_FRAME_NON_STANDARD zfs_sha256_transform_ssse3
 
 ENTRY_ALIGN(zfs_sha256_transform_avx, 64)
 .cfi_startproc
@@ -3813,6 +3817,7 @@ ENTRY_ALIGN(zfs_sha256_transform_avx, 64)
 	RET
 .cfi_endproc
 SET_SIZE(zfs_sha256_transform_avx)
+STACK_FRAME_NON_STANDARD zfs_sha256_transform_avx
 
 ENTRY_ALIGN(zfs_sha256_transform_avx2, 64)
 .cfi_startproc
@@ -5098,6 +5103,7 @@ ENTRY_ALIGN(zfs_sha256_transform_avx2, 64)
 	RET
 .cfi_endproc
 SET_SIZE(zfs_sha256_transform_avx2)
+STACK_FRAME_NON_STANDARD zfs_sha256_transform_avx2
 
 #if defined(__ELF__)
 	.section .note.GNU-stack,"",%progbits

module/icp/asm-x86_64/sha2/sha512-x86_64.S

@@ -24,6 +24,7 @@
 
 #define _ASM
 #include <sys/asm_linkage.h>
+#include <sys/frame.h>
 
 SECTION_STATIC
 
@@ -1463,6 +1464,7 @@ ENTRY_ALIGN(zfs_sha512_transform_x64, 16)
 	RET
 .cfi_endproc
 SET_SIZE(zfs_sha512_transform_x64)
+STACK_FRAME_NON_STANDARD zfs_sha512_transform_x64
 
 ENTRY_ALIGN(zfs_sha512_transform_avx, 64)
 .cfi_startproc
@@ -2627,6 +2629,7 @@ ENTRY_ALIGN(zfs_sha512_transform_avx, 64)
 	RET
 .cfi_endproc
 SET_SIZE(zfs_sha512_transform_avx)
+STACK_FRAME_NON_STANDARD zfs_sha512_transform_avx
 
 ENTRY_ALIGN(zfs_sha512_transform_avx2, 64)
 .cfi_startproc
@@ -4005,6 +4008,7 @@ ENTRY_ALIGN(zfs_sha512_transform_avx2, 64)
 	RET
 .cfi_endproc
 SET_SIZE(zfs_sha512_transform_avx2)
+STACK_FRAME_NON_STANDARD zfs_sha512_transform_avx2
 
 #if defined(__ELF__)
 	.section .note.GNU-stack,"",%progbits