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57 lines
1.7 KiB
57 lines
1.7 KiB
7 years ago
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diff -pruN glibc-2.17-c758a686/nptl/pt-crti.S glibc-2.17-c758a686/nptl/pt-crti.S
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--- glibc-2.17-c758a686/nptl/pt-crti.S 2012-12-25 08:32:13.000000000 +0530
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+++ glibc-2.17-c758a686/nptl/pt-crti.S 2013-07-30 15:53:08.416386853 +0530
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@@ -39,5 +39,6 @@
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#define PREINIT_FUNCTION __pthread_initialize_minimal_internal
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#define PREINIT_FUNCTION_WEAK 0
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+#define PREINIT_FUNCTION_HAS_ARGS 1
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#include <crti.S>
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diff -pruN glibc-2.17-c758a686/sysdeps/i386/crti.S glibc-2.17-c758a686/sysdeps/i386/crti.S
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--- glibc-2.17-c758a686/sysdeps/i386/crti.S 2012-12-25 08:32:13.000000000 +0530
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+++ glibc-2.17-c758a686/sysdeps/i386/crti.S 2013-07-30 16:38:41.085291690 +0530
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@@ -49,6 +49,13 @@
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# define PREINIT_FUNCTION_WEAK 1
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#endif
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+/* If the preinit function takes the argc, argv and envp arguments, push them
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+ again on top before making the call. This is only used by for pt-crti for
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+ nptl. */
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+#ifndef PREINIT_FUNCTION_HAS_ARGS
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+# define PREINIT_FUNCTION_HAS_ARGS 0
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+#endif
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+
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#if PREINIT_FUNCTION_WEAK
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weak_extern (PREINIT_FUNCTION)
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#else
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@@ -64,6 +68,18 @@ _init:
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/* Maintain 16-byte stack alignment for called functions. */
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subl $8, %esp
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LOAD_PIC_REG (bx)
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+#if PREINIT_FUNCTION_HAS_ARGS
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+/* Get argc, argv and envp from the stack and push them again on top so that
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+ the called function can access them. Maintain 16-byte alignment for value
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+ in %esp for called functions. */
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+ movl 16(%esp), %eax
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+ movl 20(%esp), %ecx
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+ movl 24(%esp), %edx
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+ subl $4, %esp
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+ pushl %edx
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+ pushl %ecx
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+ pushl %eax
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+#endif
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#if PREINIT_FUNCTION_WEAK
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movl PREINIT_FUNCTION@GOT(%ebx), %eax
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testl %eax, %eax
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@@ -73,6 +89,9 @@ _init:
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#else
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call PREINIT_FUNCTION
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#endif
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+#if PREINIT_FUNCTION_HAS_ARGS
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+ addl $16, %esp
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+#endif
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.section .fini,"ax",@progbits
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.p2align 2
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