Tags and Properties for Check-in e50a476efe
- branch=trunk inherited from [6b98b2925c]
- sym-trunk inherited from [6b98b2925c]
Context
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2019-08-22
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| 02:52 | removed sneaky segfault in x86-64 syscall fn where %r8 (the register that contains the pointer to the syscall arguments from the C syscall wrapper, which need to be copied into the correct registers before the kernel is invoked) gets overwritten if the syscall valency > 5, because of overlapping ccall and syscall ABI argument registers - r8 is clobbered by argument 5 and any further attempts to use it as a ptr segfault at best. also modified the report function so that it immediate cancels compilation if a sub-process reports failure. changed allocator function signatures so they can return a condition code if the kernel reports an error; updated example code so it compiles and runs without fault. check-in: e50a476efe user: lexi tags: trunk | |
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2019-06-26
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| 13:12 | initial empty check-in check-in: 6b98b2925c user: lexi tags: trunk | |