diff options
Diffstat (limited to 'src/cmd/6g/gsubr.c')
| -rw-r--r-- | src/cmd/6g/gsubr.c | 42 |
1 files changed, 36 insertions, 6 deletions
diff --git a/src/cmd/6g/gsubr.c b/src/cmd/6g/gsubr.c index d0d6d0c96..92b15ef00 100644 --- a/src/cmd/6g/gsubr.c +++ b/src/cmd/6g/gsubr.c @@ -28,6 +28,8 @@ // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN // THE SOFTWARE. +#include <u.h> +#include <libc.h> #include "gg.h" // TODO(rsc): Can make this bigger if we move @@ -46,6 +48,10 @@ clearp(Prog *p) pcloc++; } +static int ddumped; +static Prog *dfirst; +static Prog *dpc; + /* * generate and return proc with p->as = as, * linked into program. pc is next instruction. @@ -55,10 +61,22 @@ prog(int as) { Prog *p; - p = pc; - pc = mal(sizeof(*pc)); - - clearp(pc); + if(as == ADATA || as == AGLOBL) { + if(ddumped) + fatal("already dumped data"); + if(dpc == nil) { + dpc = mal(sizeof(*dpc)); + dfirst = dpc; + } + p = dpc; + dpc = mal(sizeof(*dpc)); + p->link = dpc; + } else { + p = pc; + pc = mal(sizeof(*pc)); + clearp(pc); + p->link = pc; + } if(lineno == 0) { if(debug['K']) @@ -67,10 +85,21 @@ prog(int as) p->as = as; p->lineno = lineno; - p->link = pc; return p; } +void +dumpdata(void) +{ + ddumped = 1; + if(dfirst == nil) + return; + newplist(); + *pc = *dfirst; + pc = dpc; + clearp(pc); +} + /* * generate a branch. * t is ignored. @@ -79,6 +108,8 @@ Prog* gbranch(int as, Type *t) { Prog *p; + + USED(t); p = prog(as); p->to.type = D_BRANCH; @@ -1098,7 +1129,6 @@ naddr(Node *n, Addr *a, int canemitcode) a->width = n->type->width; a->gotype = ngotype(n); } - a->pun = n->pun; a->offset = n->xoffset; a->sym = n->sym; if(a->sym == S) |