poly1305/asm/poly1305-x86_64.pl: add CFI annotations.

Reviewed-by: Rich Salz <rsalz@openssl.org>

diff --git a/crypto/poly1305/asm/poly1305-x86_64.pl b/crypto/poly1305/asm/poly1305-x86_64.pl
index ff4efb33e6a2fc6a702b9470e14ee92e02cf40e8..4ca25f1780716ed3c7ed3efe122859e632083f9d 100755 (executable)
--- a/crypto/poly1305/asm/poly1305-x86_64.pl
+++ b/crypto/poly1305/asm/poly1305-x86_64.pl
@@ -210,16 +210,23 @@ $code.=<<___;
 .type  poly1305_blocks,\@function,4
 .align 32
 poly1305_blocks:
+.cfi_startproc
 .Lblocks:
        shr     \$4,$len
        jz      .Lno_data               # too short
 
        push    %rbx
+.cfi_push      %rbx
        push    %rbp
+.cfi_push      %rbp
        push    %r12
+.cfi_push      %r12
        push    %r13
+.cfi_push      %r13
        push    %r14
+.cfi_push      %r14
        push    %r15
+.cfi_push      %r15
 .Lblocks_body:
 
        mov     $len,%r15               # reassign $len
@@ -255,15 +262,23 @@ $code.=<<___;
        mov     $h2,16($ctx)
 
        mov     0(%rsp),%r15
+.cfi_restore   %r15
        mov     8(%rsp),%r14
+.cfi_restore   %r14
        mov     16(%rsp),%r13
+.cfi_restore   %r13
        mov     24(%rsp),%r12
+.cfi_restore   %r12
        mov     32(%rsp),%rbp
+.cfi_restore   %rbp
        mov     40(%rsp),%rbx
+.cfi_restore   %rbx
        lea     48(%rsp),%rsp
+.cfi_adjust_cfa_offset -48
 .Lno_data:
 .Lblocks_epilogue:
        ret
+.cfi_endproc
 .size  poly1305_blocks,.-poly1305_blocks
 
 .type  poly1305_emit,\@function,3
@@ -484,6 +499,7 @@ __poly1305_init_avx:
 .type  poly1305_blocks_avx,\@function,4
 .align 32
 poly1305_blocks_avx:
+.cfi_startproc
        mov     20($ctx),%r8d           # is_base2_26
        cmp     \$128,$len
        jae     .Lblocks_avx
@@ -503,11 +519,17 @@ poly1305_blocks_avx:
        jz      .Leven_avx
 
        push    %rbx
+.cfi_push      %rbx
        push    %rbp
+.cfi_push      %rbp
        push    %r12
+.cfi_push      %r12
        push    %r13
+.cfi_push      %r13
        push    %r14
+.cfi_push      %r14
        push    %r15
+.cfi_push      %r15
 .Lblocks_avx_body:
 
        mov     $len,%r15               # reassign $len
@@ -610,24 +632,39 @@ poly1305_blocks_avx:
 .align 16
 .Ldone_avx:
        mov     0(%rsp),%r15
+.cfi_restore   %r15
        mov     8(%rsp),%r14
+.cfi_restore   %r14
        mov     16(%rsp),%r13
+.cfi_restore   %r13
        mov     24(%rsp),%r12
+.cfi_restore   %r12
        mov     32(%rsp),%rbp
+.cfi_restore   %rbp
        mov     40(%rsp),%rbx
+.cfi_restore   %rbx
        lea     48(%rsp),%rsp
+.cfi_adjust_cfa_offset -48
 .Lno_data_avx:
 .Lblocks_avx_epilogue:
        ret
+.cfi_endproc
 
 .align 32
 .Lbase2_64_avx:
+.cfi_startproc
        push    %rbx
+.cfi_push      %rbx
        push    %rbp
+.cfi_push      %rbp
        push    %r12
+.cfi_push      %r12
        push    %r13
+.cfi_push      %r13
        push    %r14
+.cfi_push      %r14
        push    %r15
+.cfi_push      %r15
 .Lbase2_64_avx_body:
 
        mov     $len,%r15               # reassign $len
@@ -687,18 +724,27 @@ poly1305_blocks_avx:
        mov     %r15,$len
 
        mov     0(%rsp),%r15
+.cfi_restore   %r15
        mov     8(%rsp),%r14
+.cfi_restore   %r14
        mov     16(%rsp),%r13
+.cfi_restore   %r13
        mov     24(%rsp),%r12
+.cfi_restore   %r12
        mov     32(%rsp),%rbp
+.cfi_restore   %rbp
        mov     40(%rsp),%rbx
+.cfi_restore   %rbx
        lea     48(%rsp),%rax
        lea     48(%rsp),%rsp
+.cfi_adjust_cfa_offset -48
 .Lbase2_64_avx_epilogue:
        jmp     .Ldo_avx
+.cfi_endproc
 
 .align 32
 .Leven_avx:
+.cfi_startproc
        vmovd           4*0($ctx),$H0           # load hash value
        vmovd           4*1($ctx),$H1
        vmovd           4*2($ctx),$H2
@@ -709,6 +755,7 @@ poly1305_blocks_avx:
 ___
 $code.=<<___   if (!$win64);
        lea             -0x58(%rsp),%r11
+.cfi_def_cfa           %r11,0x60
        sub             \$0x178,%rsp
 ___
 $code.=<<___   if ($win64);
@@ -1301,10 +1348,12 @@ $code.=<<___    if ($win64);
 ___
 $code.=<<___   if (!$win64);
        lea             0x58(%r11),%rsp
+.cfi_def_cfa           %rsp,8
 ___
 $code.=<<___;
        vzeroupper
        ret
+.cfi_endproc
 .size  poly1305_blocks_avx,.-poly1305_blocks_avx
 
 .type  poly1305_emit_avx,\@function,3
@@ -1372,6 +1421,7 @@ $code.=<<___;
 .type  poly1305_blocks_avx2,\@function,4
 .align 32
 poly1305_blocks_avx2:
+.cfi_startproc
        mov     20($ctx),%r8d           # is_base2_26
        cmp     \$128,$len
        jae     .Lblocks_avx2
@@ -1391,11 +1441,17 @@ poly1305_blocks_avx2:
        jz      .Leven_avx2
 
        push    %rbx
+.cfi_push      %rbx
        push    %rbp
+.cfi_push      %rbp
        push    %r12
+.cfi_push      %r12
        push    %r13
+.cfi_push      %r13
        push    %r14
+.cfi_push      %r14
        push    %r15
+.cfi_push      %r15
 .Lblocks_avx2_body:
 
        mov     $len,%r15               # reassign $len
@@ -1504,24 +1560,39 @@ poly1305_blocks_avx2:
 .align 16
 .Ldone_avx2:
        mov     0(%rsp),%r15
+.cfi_restore   %r15
        mov     8(%rsp),%r14
+.cfi_restore   %r14
        mov     16(%rsp),%r13
+.cfi_restore   %r13
        mov     24(%rsp),%r12
+.cfi_restore   %r12
        mov     32(%rsp),%rbp
+.cfi_restore   %rbp
        mov     40(%rsp),%rbx
+.cfi_restore   %rbx
        lea     48(%rsp),%rsp
+.cfi_adjust_cfa_offset -48
 .Lno_data_avx2:
 .Lblocks_avx2_epilogue:
        ret
+.cfi_endproc
 
 .align 32
 .Lbase2_64_avx2:
+.cfi_startproc
        push    %rbx
+.cfi_push      %rbx
        push    %rbp
+.cfi_push      %rbp
        push    %r12
+.cfi_push      %r12
        push    %r13
+.cfi_push      %r13
        push    %r14
+.cfi_push      %r14
        push    %r15
+.cfi_push      %r15
 .Lbase2_64_avx2_body:
 
        mov     $len,%r15               # reassign $len
@@ -1588,18 +1659,27 @@ poly1305_blocks_avx2:
        mov     \$`(1<<31|1<<30|1<<16)`,%r11d
 
        mov     0(%rsp),%r15
+.cfi_restore   %r15
        mov     8(%rsp),%r14
+.cfi_restore   %r14
        mov     16(%rsp),%r13
+.cfi_restore   %r13
        mov     24(%rsp),%r12
+.cfi_restore   %r12
        mov     32(%rsp),%rbp
+.cfi_restore   %rbp
        mov     40(%rsp),%rbx
+.cfi_restore   %rbx
        lea     48(%rsp),%rax
        lea     48(%rsp),%rsp
+.cfi_adjust_cfa_offset -48
 .Lbase2_64_avx2_epilogue:
        jmp     .Ldo_avx2
+.cfi_endproc
 
 .align 32
 .Leven_avx2:
+.cfi_startproc
        mov             OPENSSL_ia32cap_P+8(%rip),%r10d
        mov             \$`(1<<31|1<<30|1<<16)`,%r11d
        vmovd           4*0($ctx),%x#$H0        # load hash value base 2^26
@@ -1620,6 +1700,7 @@ $code.=<<___              if ($avx>2);
 ___
 $code.=<<___   if (!$win64);
        lea             -8(%rsp),%r11
+.cfi_def_cfa           %r11,16
        sub             \$0x128,%rsp
 ___
 $code.=<<___   if ($win64);
@@ -2008,10 +2089,12 @@ $code.=<<___    if ($win64);
 ___
 $code.=<<___   if (!$win64);
        lea             8(%r11),%rsp
+.cfi_def_cfa           %rsp,8
 ___
 $code.=<<___;
        vzeroupper
        ret
+.cfi_endproc
 .size  poly1305_blocks_avx2,.-poly1305_blocks_avx2
 ___
 #######################################################################
@@ -2031,11 +2114,13 @@ $code.=<<___;
 .type  poly1305_blocks_avx512,\@function,4
 .align 32
 poly1305_blocks_avx512:
+.cfi_startproc
 .Lblocks_avx512:
        vzeroupper
 ___
 $code.=<<___   if (!$win64);
        lea             -8(%rsp),%r11
+.cfi_def_cfa           %r11,16
        sub             \$0x128,%rsp
 ___
 $code.=<<___   if ($win64);
@@ -2622,9 +2707,11 @@ $code.=<<___     if ($win64);
 ___
 $code.=<<___   if (!$win64);
        lea             8(%r11),%rsp
+.cfi_def_cfa           %rsp,8
 ___
 $code.=<<___;
        ret
+.cfi_endproc
 .size  poly1305_blocks_avx512,.-poly1305_blocks_avx512
 ___
 if ($avx>3) {