[Pharo-project] FFI: get function address?
Hello all, Does Squeak/Pharo FFI offer a way to get the address of a function in a library? The target of interest is probably more of an exported global containing a pointer, but GetProcAddress() worked on Windows, and I am assuming a similar trick will be required on Linux. Bill
There usually is an operating system call that you feed a "symbol" to that gives you a memory address. This address could be: (a) the start address of executable code. (b) the start address of read only, or read/write storage for a data element of some sort. This is kinda of exposed in the VM api via VM->ioLoadModuleOfLength = ioLoadModuleOfLength; VM->ioLoadSymbolOfLengthFromModule = ioLoadSymbolOfLengthFromModule; On 2010-03-25, at 7:50 PM, Schwab,Wilhelm K wrote:
Hello all,
Does Squeak/Pharo FFI offer a way to get the address of a function in a library? The target of interest is probably more of an exported global containing a pointer, but GetProcAddress() worked on Windows, and I am assuming a similar trick will be required on Linux.
Bill
-- =========================================================================== John M. McIntosh <johnmci@smalltalkconsulting.com> Twitter: squeaker68882 Corporate Smalltalk Consulting Ltd. http://www.smalltalkconsulting.com ===========================================================================
participants (2)
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John M McIntosh -
Schwab,Wilhelm K