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| author | Andrew Cagney <cagney@redhat.com> | 1997-09-22 00:24:46 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@redhat.com> | 1997-09-22 00:24:46 +0000 |
| commit | b45caf050caea8283ab17a2f6cc76a2208763132 (patch) | |
| tree | fab0ce895fbabaa22590490edea9826bc7219ce4 /sim/common/sim-options.c | |
| parent | 2c778bc53aafc06ac2b7705314efcebb5940ebab (diff) | |
| download | binutils-gdb-b45caf050caea8283ab17a2f6cc76a2208763132.tar.gz | |
Add support for --enable-sim-alignment to simulator common aclocal.m4
Add support for --alignment={strict,nonstrict,forced} to simulator common
run-time options.
For v850 use, make the default NONSTRICT_ALIGNMENT.
Diffstat (limited to 'sim/common/sim-options.c')
| -rw-r--r-- | sim/common/sim-options.c | 51 |
1 files changed, 50 insertions, 1 deletions
diff --git a/sim/common/sim-options.c b/sim/common/sim-options.c index 96e1dba4563..6d4f3daacd0 100644 --- a/sim/common/sim-options.c +++ b/sim/common/sim-options.c @@ -89,6 +89,7 @@ static DECLARE_OPTION_HANDLER (standard_option_handler); #define OPTION_ARCHITECTURE (OPTION_START + 3) #define OPTION_TARGET (OPTION_START + 4) #define OPTION_ARCHITECTURE_INFO (OPTION_START + 5) +#define OPTION_ALIGNMENT (OPTION_START + 6) static const OPTION standard_options[] = { @@ -102,6 +103,10 @@ static const OPTION standard_options[] = standard_option_handler }, #endif + { {"alignment", required_argument, NULL, OPTION_ALIGNMENT}, + '\0', "strict|nonstrict|forced", "Set memory access alignment", + standard_option_handler }, + { {"debug", no_argument, NULL, 'D'}, 'D', NULL, "Print debugging messages", standard_option_handler }, @@ -194,6 +199,50 @@ standard_option_handler (sd, opt, arg, is_command) break; #endif + case OPTION_ALIGNMENT: + if (strcmp (arg, "strict") == 0) + { + if (WITH_ALIGNMENT == 0 || WITH_ALIGNMENT == STRICT_ALIGNMENT) + { + current_alignment = STRICT_ALIGNMENT; + break; + } + } + else if (strcmp (arg, "nonstrict") == 0) + { + if (WITH_ALIGNMENT == 0 || WITH_ALIGNMENT == NONSTRICT_ALIGNMENT) + { + current_alignment = NONSTRICT_ALIGNMENT; + break; + } + } + else if (strcmp (arg, "forced") == 0) + { + if (WITH_ALIGNMENT == 0 || WITH_ALIGNMENT == FORCED_ALIGNMENT) + { + current_alignment = FORCED_ALIGNMENT; + break; + } + } + else + { + sim_io_eprintf (sd, "Invalid alignment specification `%s'\n", arg); + return SIM_RC_FAIL; + } + switch (WITH_ALIGNMENT) + { + case STRICT_ALIGNMENT: + sim_io_eprintf (sd, "Simulator compiled for strict alignment only.\n"); + break; + case NONSTRICT_ALIGNMENT: + sim_io_eprintf (sd, "Simulator compiled for nonsitrct alignment only.\n"); + break; + case FORCED_ALIGNMENT: + sim_io_eprintf (sd, "Simulator compiled for forced alignment only.\n"); + break; + } + return SIM_RC_FAIL; + case 'D' : if (! WITH_DEBUG) sim_io_eprintf (sd, "Debugging not compiled in, `-D' ignored\n"); @@ -556,7 +605,7 @@ sim_print_help (sd, is_command) { const char *chp = opt->doc; - int doc_width = 80 - indent; + unsigned doc_width = 80 - indent; while (strlen (chp) >= doc_width) /* some slack */ { const char *end = chp + doc_width - 1; |