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qemu/osdep: Remove the need for qemu_init_auxval

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Instead of getting backup auxv data from the env pointer given to main,
read it from /proc/self/auxv.  We can do this at any time, so we're not
tied to any ordering wrt a call to qemu_init_auxval from main.

Tested-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2014-04-30 13:49:11 -07:00
parent 40d964b563
commit 2b45c3f500
4 changed files with 39 additions and 26 deletions
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12
include/qemu/osdep.h
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@ -251,18 +251,6 @@ unsigned long qemu_getauxval(unsigned long type);
static inline unsigned long qemu_getauxval(unsigned long type) { return 0; }
#endif
/**
* qemu_init_auxval:
* @envp: the third argument to main
*
* If supported and required, locate the auxiliary vector at program startup.
*/
#if defined(CONFIG_GETAUXVAL) || !defined(__linux__)
static inline void qemu_init_auxval(char **envp) { }
#else
void qemu_init_auxval(char **envp);
#endif
void qemu_set_tty_echo(int fd, bool echo);
void os_mem_prealloc(int fd, char *area, size_t sz);