File cancelable-syscall-stack-align.patch of Package glibc

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File cancelable-syscall-stack-align.patch of Package glibc

Index: glibc-2.22/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h
===================================================================
--- glibc-2.22.orig/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h
+++ glibc-2.22/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h
@@ -39,7 +39,11 @@
     ret;								      \
   .size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel;	      \
   L(pseudo_cancel):							      \
+    subl $12, %esp;							      \
+    cfi_adjust_cfa_offset (12);						      \
     CENABLE								      \
+    addl $12, %esp;							      \
+    cfi_adjust_cfa_offset (-12);					      \
     SAVE_OLDTYPE_##args							      \
     PUSHCARGS_##args							      \
     DOCARGS_##args							      \
@@ -122,9 +126,17 @@
 # endif
 # define POPSTATE_0 \
  pushl %eax; cfi_adjust_cfa_offset (4); movl %ecx, %eax; \
- CDISABLE; popl %eax; cfi_adjust_cfa_offset (-4);
+ subl $8, %esp; cfi_adjust_cfa_offset (8); \
+ CDISABLE; addl $8, %esp; cfi_adjust_cfa_offset (-8); \
+ popl %eax; cfi_adjust_cfa_offset (-4);
 # define POPSTATE_1	POPSTATE_0
-# define POPSTATE_2	xchgl (%esp), %eax; CDISABLE; popl %eax; \
+# define POPSTATE_2	xchgl (%esp), %eax; \
+			subl $8, %esp; \
+			cfi_adjust_cfa_offset (8); \
+			CDISABLE; \
+			addl $8, %esp; \
+			cfi_adjust_cfa_offset (-8); \
+			popl %eax; \
 			cfi_adjust_cfa_offset (-4);
 # define POPSTATE_3	POPSTATE_2
 # define POPSTATE_4	POPSTATE_3

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File cancelable-syscall-stack-align.patch of Package glibc

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