s/Xargo/Cargo/ #85
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s/Xargo/Cargo/ #85
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Apr 8, 2018
85: s/Xargo/Cargo/ r=japaric a=japaric Co-authored-by: Jorge Aparicio <[email protected]>
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bors r+ |
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85: s/Xargo/Cargo/ r=japaric a=japaric Co-authored-by: Jorge Aparicio <[email protected]>
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85: [WIP] provide defaults for DefaultHandler and HardFault r=korken89 a=japaric `exception!(HardFault, ..)` and `exception!(*, ..)` can now be omitted from programs to pick up the default behavior of an infinite loop. Existing programs that define these exception handlers will continue to work w/o any functional change. closes #72 -- Annoyances: - The handlers can't be *just* an infinite loop because of rust-lang/rust#28728. If we define the handlers as just `loop {}` they will become an abort (UDF) instruction. And that would turn HardFault into infinite recursion. For that reason I have made them into an infinite loop that does some side effect - If you stick to the defaults then the symbol name of the default handler changes from `DefaultHandler` (override) to `DefaultDefaultHandler` (default). We can make these two names more similar but I think we can not prevent the rename. Something similar happens with UserHardFault (which becomes DefaultUserHardFault when not overridden). cc @rust-embedded/cortex-m Co-authored-by: Jorge Aparicio <[email protected]>
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