From 3c30afc8625c680257b91638c3d9bee01e1fe778 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Mon, 22 Jun 2009 15:07:40 -0700 Subject: Add more IFUNC tests. Mostly tests around not-exported IFUNC functions, IFUNC in statically linked binaries and PIEs, etc. --- elf/ifuncmod5.c | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 elf/ifuncmod5.c (limited to 'elf/ifuncmod5.c') diff --git a/elf/ifuncmod5.c b/elf/ifuncmod5.c new file mode 100644 index 0000000..4838896 --- /dev/null +++ b/elf/ifuncmod5.c @@ -0,0 +1,78 @@ +/* Test STT_GNU_IFUNC symbols without direct function call. */ + +extern int global; + +static int +one (void) +{ + return 1; +} + +static int +minus_one (void) +{ + return -1; +} + +static int +zero (void) +{ + return 0; +} + +void * foo_ifunc (void) __asm__ ("foo"); +__asm__(".type foo, %gnu_indirect_function"); + +void * +foo_ifunc (void) +{ + switch (global) + { + case 1: + return one; + case -1: + return minus_one; + default: + return zero; + } +} + +void * foo_hidden_ifunc (void) __asm__ ("foo_hidden"); +__asm__(".type foo_hidden, %gnu_indirect_function"); + +void * +foo_hidden_ifunc (void) +{ + switch (global) + { + case 1: + return minus_one; + case -1: + return one; + default: + return zero; + } +} + +void * foo_protected_ifunc (void) __asm__ ("foo_protected"); +__asm__(".type foo_protected, %gnu_indirect_function"); + +void * +foo_protected_ifunc (void) +{ + switch (global) + { + case 1: + return one; + case -1: + return zero; + default: + return minus_one; + } +} + +/* Test hidden indirect function. */ +__asm__(".hidden foo_hidden"); + +/* Test protected indirect function. */ +__asm__(".protected foo_protected"); -- cgit v1.1