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Due to using signed byte values when writing/reading short strings
to/from pointer addresses, 8 bit characters where incorrectly clamped
to `-1` (`255`).
Fix this issue by treating the input string as `uint8_t` array.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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- Instead of treating individual program functions as managed ucode types,
demote uc_function_t values to pointers into a uc_program_t entity
- Promote uc_program_t to a managed type
- Let uc_closure_t claim references to the owning program of the enclosed
uc_function_t
- Redefine public APIs uc_compile() and uc_vm_execute() APIs to return and
expect an uc_program_t object respectively
- Remove vallist indirection for function loading and let the compiler
emit the function id directly when producing function construction code
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Fixes: b605dbf ("treewide: rework numeric value handling")
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Instead of storing constant values per function, maintain a global program
wide list for all constant values within the current compilation unit.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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- Introduce a new "program" entity which holds the list of functions
created during compilation
- Instead of storing pointers to the in-memory function representation
in the constant list, store the index of the function within the
program's function list
- When loading functions from the constant list, retrieve the function
by index from the program entity
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Import the binary64 double packing routines from the struct module and
use them to store numeric double values in a platform agnostic big
endian format.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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- Parse integer literals as unsigned numeric values in order to be able
to represent the entire unsigned 64bit value range
- Stop parsing minus-prefixed integer literals as negative numbers but
treat them as separate minus operator followed by a positive integer
instead
- Only store unsigned numeric constants in bytecode
- Rework numeric comparison logic to be able to handle full 64bit
unsigned integers
- If possible, yield unsigned 64 bit results for additions
- Simplify numeric value conversion API
- Compile code with -fwrapv for defined signed overflow semantics
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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- Ensure that most functions follow the subject_verb naming schema
- Move type related function from value.c to types.c
- Rename value.c to vallist.c
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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