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core: gc: Add gc_dump_arena.

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* src/gc.c (dumpc, dumps, gc_dump_register, gc_dump_state,
gc_dump_stack, gc_dump_arena): New function.
This commit is contained in:
Jan (janneke) Nieuwenhuizen 2020-09-14 14:53:56 +02:00
parent 3de592d441
commit b05558ec00
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GPG key ID: F3C1A0D9C1D65273
2 changed files with 172 additions and 0 deletions
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1
include/mes/mes.h
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@ -158,6 +158,7 @@ void assert_msg (int check, char *msg);
void assert_number (char const *name, SCM x);
void copy_cell (SCM to, SCM from);
void gc_ ();
void gc_dump_arena (struct scm *cells, long size);
void gc_init ();
void gc_peek_frame ();
void gc_pop_frame ();

171
src/gc.c
View file

@ -22,9 +22,12 @@
#include "mes/mes.h"
#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <stdlib.h>
int g_dump_filedes;
#if __M2_PLANET__
#define M2_CELL_SIZE 12
// CONSTANT M2_CELL_SIZE 12
@ -792,3 +795,171 @@ gc_pop_frame ()
gc_peek_frame ();
g_stack = g_stack + FRAME_SIZE;
}
void
dumpc (char c)
{
fdputc (c, g_dump_filedes);
}
void
dumps (char const *s)
{
fdputs (s, g_dump_filedes);
}
void
gc_dump_register (char const* n, SCM r)
{
dumps (n); dumps (": ");
#if !POINTER_CELLS
long i = r;
#else
long i = r;
long a = g_arena;
i = i - a;
i = i / M2_CELL_SIZE;
#endif
dumps (ltoa (i));
dumps ("\n");
}
void
gc_dump_state ()
{
gc_dump_register ("R0", R0);
gc_dump_register ("R1", R1);
gc_dump_register ("R2", R2);
gc_dump_register ("R3", R3);
gc_dump_register ("M0", M0);
gc_dump_register ("g_symbols", g_symbols);
gc_dump_register ("g_symbol_max", g_symbol_max);
gc_dump_register ("g_macros", g_macros);
gc_dump_register ("g_ports", g_ports);
gc_dump_register ("cell_zero", cell_zero);
gc_dump_register ("cell_nil", cell_nil);
}
void
gc_dump_stack ()
{
long i = g_stack;
while (i < STACK_SIZE)
{
gc_dump_register (itoa (i), g_stack_array[i]);
i = i + 1;
}
}
void
gc_dump_arena (struct scm *cells, long size)
{
#if !POINTER_CELLS
SCM end = size;
struct scm *dist = 0;
#else
SCM end = g_cells + (size * M2_CELL_SIZE);
struct scm *dist = cells;
#endif
if (g_dump_filedes == 0)
g_dump_filedes = mes_open ("dump.mo", O_CREAT|O_WRONLY, 0644);
dumps ("stack="); dumps (ltoa (g_stack)); dumpc ('\n');
dumps ("size="); dumps (ltoa (size)); dumpc ('\n');
gc_dump_state ();
gc_dump_stack ();
while (TYPE (end) == 0 && CAR (end) == 0 && CDR (end) == 0)
{
end = end - M2_CELL_SIZE;
size = size - 1;
}
while (size > 0)
{
int i;
for (i=0; i < 16; i = i + 1)
{
long t = cells->type;
long a = cells->car;
long d = cells->cdr;
if (size == 0)
dumps ("0 0 0");
else
{
dumps (ltoa (t));
dumpc (' ');
#if POINTER_CELLS
if (t == TMACRO
|| t == TPAIR
|| t == TREF
|| t == TVARIABLE)
{
dumps (ltoa ((cells->car - dist) / M2_CELL_SIZE));
/* dumps ("["); dumps (ltoa (a)); dumps ("]"); */
}
else
#endif
dumps (ltoa (a));
dumpc (' ');
if (t != TBYTES)
{
#if POINTER_CELLS
if (t == TCLOSURE
|| t == TCONTINUATION
|| t == TKEYWORD
|| t == TMACRO
|| t == TPAIR
|| t == TPORT
|| t == TSPECIAL
|| t == TSTRING
|| t == TSTRUCT
|| t == TSYMBOL
|| t == TVALUES
|| t == TVECTOR)
{
dumps (ltoa ((cells->cdr - dist) / M2_CELL_SIZE));
/* dumps ("["); dumps (ltoa (d)); dumps ("]"); */
}
else
#endif
if (t == TNUMBER && d > 1000)
dumps (ltoa (1001));
else
dumps (ltoa (d));
}
if (t == TBYTES)
{
int c = bytes_cells (a);
char *p = cell_bytes (cells);
size = size - c;
dumpc ('"');
while (a > 0)
{
if (p[0] != 0)
dumpc (p[0]);
p = p + 1;
a = a - 1;
}
dumpc ('"');
cells = cells + c * M2_CELL_SIZE;
size = size - c;
}
#if 0
else if (t == TSTRUCT)
{
cells = cells + (a + 1) * M2_CELL_SIZE;
size = size - a - 1;
}
#endif
else
{
cells = cells + M2_CELL_SIZE;
size = size - 1;
}
}
if (i != 15)
dumps (" ");
else
dumpc ('\n');
}
dumpc ('\n');
}
}