From 4318688cce5dc30a2db7bfe1a734e1ff6782e7f9 Mon Sep 17 00:00:00 2001
From: Igor Sysoev <igor@sysoev.ru>
Date: Fri, 8 May 2009 09:41:43 +0000
Subject: [PATCH] preserve Solaris binary hardware capabilities

---
 auto/cc/sunc                   | 15 ---------------
 src/os/unix/ngx_sunpro_x86.il  | 11 ++++++++---
 src/os/unix/ngx_sunpro_x86.map |  2 --
 3 files changed, 8 insertions(+), 20 deletions(-)
 delete mode 100644 src/os/unix/ngx_sunpro_x86.map

diff --git a/auto/cc/sunc b/auto/cc/sunc
index 0d7e2b2a7..1d3c68700 100644
--- a/auto/cc/sunc
+++ b/auto/cc/sunc
@@ -45,21 +45,6 @@ fi
 case "$NGX_MACHINE" in
 
     i86pc)
-        ngx_feature="PAUSE hardware capability bug"
-        ngx_feature_name=
-        ngx_feature_run=bug
-        ngx_feature_incs=
-        ngx_feature_path=
-        ngx_feature_libs=
-        ngx_feature_test='__asm ("pause")'
-
-        . auto/feature
-
-        if [ $ngx_found = yes ]; then
-            # disable [ PAUSE ] hwcap for Sun Studio 11
-            CORE_LINK="$CORE_LINK -Msrc/os/unix/ngx_sunpro_x86.map"
-        fi
-
         NGX_AUX=" src/os/unix/ngx_sunpro_x86.il"
     ;;
 
diff --git a/src/os/unix/ngx_sunpro_x86.il b/src/os/unix/ngx_sunpro_x86.il
index b82a2267b..e32ea8cc1 100644
--- a/src/os/unix/ngx_sunpro_x86.il
+++ b/src/os/unix/ngx_sunpro_x86.il
@@ -5,7 +5,7 @@
 / ngx_atomic_uint_t ngx_atomic_cmp_set(ngx_atomic_t *lock,
 /     ngx_atomic_uint_t old, ngx_atomic_uint_t set);
 /
-/ the arguments are passed on the stack (%esp), 4(%esp), 8(%esp)
+/ the arguments are passed on stack (%esp), 4(%esp), 8(%esp)
 
         .inline ngx_atomic_cmp_set,0
         movl      (%esp), %ecx
@@ -21,7 +21,7 @@
 / ngx_atomic_int_t ngx_atomic_fetch_add(ngx_atomic_t *value,
 /     ngx_atomic_int_t add);
 /
-/ the arguments are passed on the stack (%esp), 4(%esp)
+/ the arguments are passed on stack (%esp), 4(%esp)
 
         .inline ngx_atomic_fetch_add,0
         movl      (%esp), %ecx
@@ -32,7 +32,12 @@
 
 
 / ngx_cpu_pause()
+/
+/ the "rep; nop" is used instead of "pause" to avoid the "[ PAUSE ]" hardware
+/ capability added by linker because Solaris/i386 does not know about it:
+/
+/ ld.so.1: nginx: fatal: hardware capability unsupported: 0x2000  [ PAUSE ]
 
        .inline ngx_cpu_pause,0
-       pause
+       rep; nop
        .end
diff --git a/src/os/unix/ngx_sunpro_x86.map b/src/os/unix/ngx_sunpro_x86.map
deleted file mode 100644
index 971dda649..000000000
--- a/src/os/unix/ngx_sunpro_x86.map
+++ /dev/null
@@ -1,2 +0,0 @@
-# disable { PAUSE ] hwcap for Sun Studio 11
-hwcap_1 = OVERRIDE;