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| author | David 'Digit' Turner <digit@google.com> | 2009-06-03 13:00:20 -0700 |
|---|---|---|
| committer | The Android Open Source Project <initial-contribution@android.com> | 2009-06-03 13:00:20 -0700 |
| commit | f24799580f205bbe7894d10f7f0a605839951a2d (patch) | |
| tree | 0a77834b5eba269db6e87c615518be0b38c777ea /libc/arch-arm/bionic/crtbegin_dynamic.S | |
| parent | 1b02faeea6a2d5606349df179c4d19ec13fc43b0 (diff) | |
| parent | 3a654b1e04d4275ae315cfe1b196998acf10052c (diff) | |
| download | bionic-f24799580f205bbe7894d10f7f0a605839951a2d.zip bionic-f24799580f205bbe7894d10f7f0a605839951a2d.tar.gz bionic-f24799580f205bbe7894d10f7f0a605839951a2d.tar.bz2 | |
am 3a654b1e: Revert "Fix the C library initialization to avoid calling static C++ constructors twice."
Merge commit '3a654b1e04d4275ae315cfe1b196998acf10052c'
* commit '3a654b1e04d4275ae315cfe1b196998acf10052c':
Revert "Fix the C library initialization to avoid calling static C++ constructors twice."
Diffstat (limited to 'libc/arch-arm/bionic/crtbegin_dynamic.S')
| -rw-r--r-- | libc/arch-arm/bionic/crtbegin_dynamic.S | 26 |
1 files changed, 8 insertions, 18 deletions
diff --git a/libc/arch-arm/bionic/crtbegin_dynamic.S b/libc/arch-arm/bionic/crtbegin_dynamic.S index 624d611..e265923 100644 --- a/libc/arch-arm/bionic/crtbegin_dynamic.S +++ b/libc/arch-arm/bionic/crtbegin_dynamic.S @@ -30,35 +30,25 @@ .type _start,#function .globl _start -# This is the small startup code that is called from -# the dynamic linker to execute an executable once all -# dependent shared libraries have been loaded and -# initialized. +# this is the small startup code that is first run when +# any executable that is statically-linked with Bionic +# runs. # -# It's purpose is to call __libc_init as defined in -# bionic/libc_init_dynamic.c with appropriate +# it's purpose is to call __libc_init with appropriate # arguments, which are: # # - the address of the raw data block setup by the Linux # kernel ELF loader # -# - address of an "onexit" function (not used on any -# platform supported by Bionic) +# - address of an "onexit" function, not used on any +# platform supported by Bionic # # - address of the "main" function of the program. We # can't hard-code it in the adr pseudo instruction # so we use a tiny trampoline that will get relocated # by the dynamic linker before this code runs # -# - address of the constructors table, i.e. a table -# that points to various initialization and -# finalization sections for the program. -# -# NOTE: This code is currently placed in shared libraries -# by the build system, but will be ignored. -# -# On the other hand, the arrays defined below are -# required and will be parsed by the dynamic linker. +# - address of the constructor list # _start: mov r0, sp @@ -73,7 +63,7 @@ _start: .long __INIT_ARRAY__ .long __FINI_ARRAY__ .long __CTOR_LIST__ - + # the .ctors section contains a list of pointers to "constructor" # functions that need to be called in order during C library initialization, # just before the program is being run. This is a C++ requirement |