From 5dccb8b0f4329bf5c6ea198ad763c56c365d124f Mon Sep 17 00:00:00 2001 From: Doug Evans Date: Fri, 29 May 1998 01:08:08 +0000 Subject: [PATCH] more attempts to handle `*' as mpg address --- gas/config/tc-dvp.c | 51 ++++++++++++++++++++++++++------------------------- 1 file changed, 26 insertions(+), 25 deletions(-) diff --git a/gas/config/tc-dvp.c b/gas/config/tc-dvp.c index 5e96546..336bc76 100644 --- a/gas/config/tc-dvp.c +++ b/gas/config/tc-dvp.c @@ -59,8 +59,8 @@ static long parse_float PARAMS ((char **, const char **)); static symbolS * create_label PARAMS ((const char *, const char *)); static symbolS * create_colon_label PARAMS ((int, const char *, const char *)); static char * unique_name PARAMS ((const char *)); -static char * vuoverlay_section_name PARAMS ((offsetT)); -static void create_vuoverlay_section PARAMS ((const char *, offsetT, +static char * vuoverlay_section_name PARAMS ((symbolS *)); +static void create_vuoverlay_section PARAMS ((const char *, symbolS *, symbolS *, symbolS *)); static symbolS * compute_mpgloc PARAMS ((symbolS *, symbolS *, symbolS *)); static int compute_nloop PARAMS ((gif_type, int, int)); @@ -667,32 +667,23 @@ assemble_vif (str) Create an overlay section. */ { int mpgloc = vif_get_mpgloc (); - offsetT addr; const char * section_name; - /* Get the value of mpgloc. */ + /* Update $.mpgloc if explicitly set. + Otherwise just use the current value. */ if (mpgloc != -1) { /* The value is recorded in bytes, mpgloc is in dwords. */ mpgloc_sym = expr_build_uconstant (mpgloc * 8); } - else - { - /* Use the current value. - ??? Things get complicated if this can't be resolved at this - point. Not sure what to do. */ - resolve_symbol_value (mpgloc_sym, 1); - } - - addr = S_GET_VALUE (mpgloc_sym); - section_name = vuoverlay_section_name (addr); + section_name = vuoverlay_section_name (mpgloc_sym); vif_data_start = create_colon_label (STO_DVP_VU, VUOVERLAY_START_PREFIX, section_name); insn_frag->fr_symbol = vif_data_start; - create_vuoverlay_section (section_name, addr, + create_vuoverlay_section (section_name, mpgloc_sym, vif_data_start, vif_data_end); } } @@ -1977,6 +1968,9 @@ md_apply_fix3 (fixP, valueP, seg) case BFD_RELOC_32: md_number_to_chars (where, value, 4); break; + case BFD_RELOC_64: + md_number_to_chars (where, value, 8); + break; default: as_fatal ("internal error: unexpected fixup"); } @@ -2262,7 +2256,7 @@ unique_name (prefix) static char * vuoverlay_section_name (addr) - offsetT addr; + symbolS *addr; { char *section_name; char *file; @@ -2274,8 +2268,12 @@ vuoverlay_section_name (addr) as_where (&file, &lineno); for (fileno = 0; *file; ++file) fileno = (fileno << 1) + *file; - asprintf (§ion_name, "%s0x%x.%u.%u.%d", VUOVERLAY_SECTION_PREFIX, - (int) addr, fileno, lineno, counter); + if (addr->sy_value.X_op == O_constant) + asprintf (§ion_name, "%s.0x%x.%u.%u.%d", VUOVERLAY_SECTION_PREFIX, + (int) S_GET_VALUE (addr), fileno, lineno, counter); + else + asprintf (§ion_name, "%s.unknvma.%u.%u.%d", VUOVERLAY_SECTION_PREFIX, + fileno, lineno, counter); ++counter; return section_name; } @@ -2287,7 +2285,8 @@ vuoverlay_section_name (addr) static void create_vuoverlay_section (section_name, addr, start_label, end_label) const char *section_name; - offsetT addr; + /* Remember, expressions are recorded as symbols. */ + symbolS *addr; symbolS *start_label, *end_label; { /* Must preserve the current seg/subseg. */ @@ -2304,7 +2303,8 @@ create_vuoverlay_section (section_name, addr, start_label, end_label) /* There's no point in setting the section vma as we can't get the linker to preserve it. But what the heck ... It might be useful to the objdump user. */ - bfd_set_section_vma (stdoutput, vuoverlay_section, addr); + if (addr->sy_value.X_op == O_constant) + bfd_set_section_vma (stdoutput, vuoverlay_section, S_GET_VALUE (addr)); /* The size of the section won't be known until we see the .endmpg, but we can compute it from the start and end labels. */ /* FIXME: This causes the section to occupy space in the file. */ @@ -2341,8 +2341,9 @@ create_vuoverlay_section (section_name, addr, start_label, end_label) emit_expr (&exp, 8); /* The section's vma. */ - exp.X_op = O_constant; - exp.X_add_number = addr; + exp.X_op = O_symbol; + exp.X_add_symbol = addr; + exp.X_add_number = 0; emit_expr (&exp, 8); } @@ -3152,10 +3153,10 @@ s_state (state) the .vu is issued in. On the other hand, ".vu" isn't intended to be supported everywhere. */ vif_data_start = expr_build_dot (); -#if 0 - create_vuoverlay_section (vuoverlay_section_name (0), 0, NULL, NULL); -#else mpgloc_sym = expr_build_uconstant (0); +#if 0 /* ??? wip */ + create_vuoverlay_section (vuoverlay_section_name (NULL), mpgloc_sym, + NULL, NULL); #endif } -- 2.7.4