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base/output.h: make Alloc_error printable

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Issue #5245
This commit is contained in:
Norman Feske 2025-04-06 11:40:36 +02:00
parent 146fd54f2d
commit fd5172e1f3
7 changed files with 23 additions and 17 deletions
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17
repos/base/include/base/allocator.h
View File

@ -305,23 +305,6 @@ void Genode::destroy(auto && dealloc, T *obj)
namespace Genode {
void static inline print(Output &out, Allocator::Alloc_error error)
{
using Error = Allocator::Alloc_error;
auto name = [] (Error error)
{
switch (error) {
case Error::OUT_OF_RAM: return "OUT_OF_RAM";
case Error::OUT_OF_CAPS: return "OUT_OF_CAPS";
case Error::DENIED: return "DENIED";
}
return "<unknown>";
};
Genode::print(out, name(error));
}
void static inline print(Output &out, Allocator::Alloc_result result)
{
result.with_result(

6
repos/base/include/base/output.h
View File

@ -15,6 +15,7 @@
#define _INCLUDE__BASE__OUTPUT_H_
#include <base/stdint.h>
#include <base/error.h>
#include <util/interface.h>
namespace Genode { struct Output; }
@ -210,6 +211,11 @@ namespace Genode {
void print(Output &output) const { output.out_char(c); }
};
/**
* Print error codes defined at base/error.h
*/
void print(Output &, Alloc_error);
/**
* Print information about object 'obj'
*

1
repos/base/lib/symbols/ld
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@ -244,6 +244,7 @@ _ZN6Genode5Trace6Logger17_evaluate_controlEv T
_ZN6Genode5Trace6Logger3logEPKcm T
_ZN6Genode5Trace6LoggerC1Ev T
_ZN6Genode5Trace6LoggerC2Ev T
_ZN6Genode5printERNS_6OutputENS_11Alloc_errorE T
_ZN6Genode5printERNS_6OutputEPKc T
_ZN6Genode5printERNS_6OutputEPKv T
_ZN6Genode5printERNS_6OutputEd T

1
repos/base/recipes/pkg/test-log/runtime
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@ -8,6 +8,7 @@
[init -> test-log] invalid hex range: [f8,08) (overflow!)
[init -> test-log] negative hex char: 0xfe
[init -> test-log] positive hex char: 0x02
[init -> test-log] Alloc_error value: OUT_OF_RAM
[init -> test-log] floating point: 1.70
[init -> test-log] multiarg string: "parent -> child.7"
[init -> test-log] String(Hex(3)): 0x3

1
repos/base/run/log.run
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@ -33,6 +33,7 @@ compare_output_to {
[init -> test-log] invalid hex range: [f8,08) (overflow!)
[init -> test-log] negative hex char: 0xfe
[init -> test-log] positive hex char: 0x02
[init -> test-log] Alloc_error value: OUT_OF_RAM
[init -> test-log] floating point: 1.70
[init -> test-log] multiarg string: "parent -> child.7"
[init -> test-log] String(Hex(3)): 0x3

13
repos/base/src/lib/base/output.cc
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@ -100,3 +100,16 @@ void Genode::Hex::print(Output &output) const
[&] (char c) { output.out_char(c); });
}
void Genode::print(Output &out, Alloc_error e)
{
auto name = [] (Alloc_error e)
{
switch (e) {
case Alloc_error::OUT_OF_RAM: return "OUT_OF_RAM";
case Alloc_error::OUT_OF_CAPS: return "OUT_OF_CAPS";
case Alloc_error::DENIED: return "DENIED"; }
return "<unknown>";
};
print(out, name(e));
}

1
repos/base/src/test/log/main.cc
View File

@ -27,6 +27,7 @@ void Component::construct(Genode::Env &env)
log("invalid hex range: ", Hex_range<uint8_t>(0xf8, 0x10));
log("negative hex char: ", Hex((char)-2LL, Hex::PREFIX, Hex::PAD));
log("positive hex char: ", Hex((char) 2LL, Hex::PREFIX, Hex::PAD));
log("Alloc_error value: ", Alloc_error::OUT_OF_RAM);
log("floating point: ", 1700.0 / 1000);