Code:
ld -export-dynamic
Code:
cc -Wl,-export-dynamic
sds57
Last Activity: Jun 9 '10, 05:21 PM
Joined: Jun 8 '10
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it turned out that one has to link the executable with
or
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the presence of my_function is also obvious from
Code:(gdb) p my_function $21 = {void (void)} 0x486f9c <my_function>Leave a comment:
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dlsym() returns 0 for an existing function
Sometimes I observe this in gdb:
i.e., "my_functio n" does exist in the current executable.Code:(gdb) br my_function Breakpoint .. at 0x...: file ..., line ...
however, dlsym does not find it:
This is a C program; dlsym does find other defined functions and variables.Code:(gdb) p dlsym(0,"my_function") $6 = 0
(this question stems from this bug report)
What could cause this? How...
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