diff options
Diffstat (limited to 'src/mem.c')
| -rw-r--r-- | src/mem.c | 40 |
1 files changed, 39 insertions, 1 deletions
@@ -290,6 +290,11 @@ SYS_FUNC(mremap) } #include "xlat/madvise_cmds.h" +#include "xlat/madvise_hppa_generic_cmds.h" + +#if defined HPPA +# include "xlat/madvise_hppa_old_cmds.h" +#endif SYS_FUNC(madvise) { @@ -302,7 +307,40 @@ SYS_FUNC(madvise) tprint_arg_next(); /* advice */ - printxval(madvise_cmds, tcp->u_arg[2], "MADV_???"); + const unsigned int advice = tcp->u_arg[2]; +#if defined HPPA + /* + * hppa decided to be very special: it used to have its own + * definitions for some MADV_* constants (just like Alpha, + * for example), but then (see Linux commit v6.2-rc1~39^2~7) + * decided to change their values, so their symbolic names + * are meaningless for the user now (which would also probably + * add spice to debugging old binaries with the newer kernels + * "in year 2025 (or later)"), and that forces us to state + * explicitly which variant of the constant value is used. + */ + const char *old_cmd = xlookup(madvise_hppa_old_cmds, advice); + + if (old_cmd) { + PRINT_VAL_X(advice); + if (xlat_verbose(xlat_verbosity) != XLAT_STYLE_RAW) + tprintf_comment("old %s", old_cmd); + } else { + const char *new_cmd = xlookup(madvise_hppa_generic_cmds, + advice); + + if (new_cmd) { + PRINT_VAL_X(advice); + if (xlat_verbose(xlat_verbosity) != XLAT_STYLE_RAW) + tprintf_comment("new/generic %s", new_cmd); + } else { + printxval(madvise_cmds, advice, "MADV_???"); + } + } +#else + printxvals(advice, "MADV_???", + madvise_cmds, madvise_hppa_generic_cmds, NULL); +#endif return RVAL_DECODED; } |