Re: [Qemu-devel] [PATCH] qapi: Fix compilation failure on MIPS

[James Hogan <james.hogan@imgtec.com>]

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On Tue, Feb 02, 2016 at 07:51:41AM -0700, Eric Blake wrote:
> Commit 86f4b687 broke compilation on MIPS, which has a preprocessor
> pollution of '#define mips 1'.  Treat it the same way as we do for
> the pollution with 'unix', so that QMP remains backwards compatible
> and only the C code needs to use the alternative 'q_mips' spelling.
> 
> CC: James Hogan <james.hogan@imgtec.com>
> Signed-off-by: Eric Blake <eblake@redhat.com>

Thanks, that fixes the build for me.

Tested-by: James Hogan <james.hogan@imgtec.com>

Cheers
James

> ---
>  scripts/qapi.py | 2 +-
>  cpus.c          | 4 ++--
>  hmp.c           | 2 +-
>  3 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/scripts/qapi.py b/scripts/qapi.py
> index d199222..7f114c4 100644
> --- a/scripts/qapi.py
> +++ b/scripts/qapi.py
> @@ -1482,7 +1482,7 @@ def c_name(name, protect=True):
>                       'and', 'and_eq', 'bitand', 'bitor', 'compl', 'not',
>                       'not_eq', 'or', 'or_eq', 'xor', 'xor_eq'])
>      # namespace pollution:
> -    polluted_words = set(['unix', 'errno'])
> +    polluted_words = set(['unix', 'errno', 'mips'])
>      name = name.translate(c_name_trans)
>      if protect and (name in c89_words | c99_words | c11_words | gcc_words
>                      | cpp_words | polluted_words):
> diff --git a/cpus.c b/cpus.c
> index 882b618..c8a2317 100644
> --- a/cpus.c
> +++ b/cpus.c
> @@ -1581,8 +1581,8 @@ CpuInfoList *qmp_query_cpus(Error **errp)
>          info->value->u.sparc->npc = env->npc;
>  #elif defined(TARGET_MIPS)
>          info->value->arch = CPU_INFO_ARCH_MIPS;
> -        info->value->u.mips = g_new0(CpuInfoMIPS, 1);
> -        info->value->u.mips->PC = env->active_tc.PC;
> +        info->value->u.q_mips = g_new0(CpuInfoMIPS, 1);
> +        info->value->u.q_mips->PC = env->active_tc.PC;
>  #elif defined(TARGET_TRICORE)
>          info->value->arch = CPU_INFO_ARCH_TRICORE;
>          info->value->u.tricore = g_new0(CpuInfoTricore, 1);
> diff --git a/hmp.c b/hmp.c
> index a4b74df..ef98344 100644
> --- a/hmp.c
> +++ b/hmp.c
> @@ -322,7 +322,7 @@ void hmp_info_cpus(Monitor *mon, const QDict *qdict)
>              monitor_printf(mon, " npc=0x%016" PRIx64, cpu->value->u.sparc->npc);
>              break;
>          case CPU_INFO_ARCH_MIPS:
> -            monitor_printf(mon, " PC=0x%016" PRIx64, cpu->value->u.mips->PC);
> +            monitor_printf(mon, " PC=0x%016" PRIx64, cpu->value->u.q_mips->PC);
>              break;
>          case CPU_INFO_ARCH_TRICORE:
>              monitor_printf(mon, " PC=0x%016" PRIx64, cpu->value->u.tricore->PC);
> -- 
> 2.5.0
> 

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